若把地震分成小地震、中大地震，我暫且分成5級以上的地震為中大地震，7級以上為大地震。地震的震級是根據能量計算的，現在常用的里氏震級，若沒記錯的話。地震的烈度是地震對地面的破壞程度。而地震的破壞程度與地震的震源埋深有關，有淺源地震、中源地震、深源地震等等。
地震的機理雖然不完全清楚，但最後的能量、應力出口總是在地殼、地層的活動斷裂處(活動斷裂指是晚第四紀以來活動、至今仍在活動的斷層，距今約3至10萬年)。地球上，太平洋板塊與歐亞板塊，太平洋板塊與北美板塊相交疊處，最近異常活躍，遠不說2008/5/12紋川8級大地震，2011/3/11的日本宮城9級大地震。
我剛剛從美國USGS 狗狗一下，在已過168小時，7DAY內，光5級以上的地震就有200多次，平均一小時不到地球就有一次5級以上的地震。
而這些5級以上的地震基本上全在JAPAN，即太平洋板塊與歐亞板塊碰撞的那條線上。請自己參看下面的引用DATA。狗狗翻譯，不盡通順，呵呵！
最新的5.0級地震+世界 - 過去7天
最新的地震震級5.0和更大的世界 - 最後7天
西班牙語版本
5級，由美國地質調查局，並在最後一周（168小時）網絡中的貢獻更大的地震。震級6及以上為紅色。 （一些早期的事件可能會被遮蔽後來者在地圖上。）
最近一次地震是在列表的頂部。時間是協調世界時（UTC）。單詞“地圖”點擊看十度的高大的地圖顯示了地震。點擊一個事件的“日期”來得到一個詳細的報告。
免責聲明
周五更新時間= 2011年3月18日十九點25分09秒聯合技術
美格UTC日期，時間
年/月/日小時：分：秒土地增值稅
LON的度
度深度
公里區域
地圖5.0 2011/03/18 18時32分50秒39.158 142.299 46.2附近，日本本州東海岸
地圖5.1 2011/03/18十七點28分53秒35.125 141.484 24.5附近，日本本州東海岸
地圖5.0 2011/03/18十三點38分42秒37.707 143.323 25.1關閉的日本本州東海岸
地圖5.0 2011/03/18 12點17分02秒38.930 142.447 31.7附近，日本本州東海岸
地圖5.3 2011/03/18八點01分34秒35.775 140.869 24.2附近，日本本州東海岸
地圖5.5 2011/03/18 3時23分56秒37.771 143.502 19.0關閉的日本本州東海岸
地圖5.2 2011/03/18二時47分49秒37.270 141.833 45.2附近，日本本州東海岸
地圖5.4 2011/03/18 0時41分22秒35.863 141.697 45.8附近，日本本州東海岸
地圖5.0 2011/03/17 19時05分44秒36.191 141.750 36.5附近，日本本州東海岸
地圖5.6 2011/03/17 18時55分38秒37.175 142.291 29.8關閉的日本本州東海岸
地圖5.0 2011/03/17 18時01分二十秒37.701 144.409 23.2關閉的日本本州東海岸
地圖5.0 2011/03/17 17點31分56秒37.713 143.434 30.0關閉的日本本州東海岸
地圖5.0 2011/03/17十五時34分33秒40.512 79.057 18.7新疆南部，中國
地圖5.9 2011/03/17 12時54分52秒36.766 141.307 25.1附近，日本本州東海岸
地圖5.6 2011/03/17十二點32分03秒35.523 140.744 21.0附近，日本本州東海岸
地圖5.1 2011/03/17 11點14分24秒-32.518 -71.537 19.2海洋瓦爾帕萊索，智利
地圖5.0 2011/03/17 9點零五分58秒四十零點二四○142.333 25.3附近的日本本州東海岸
地圖5.1 2011/03/17 8時28分28秒53.244 159.364 74.6附近的堪察加半島，俄羅斯遠東海岸
地圖5.3 2011/03/17八時25分26秒36.698 141.762 29.3附近，日本本州東海岸
地圖5.8 2011/03/17 8點03分○四秒-17.283 167.899 27.8瓦努阿圖
地圖5.2 2011/03/17 6時42分46秒38.709 143.911 36.4關閉的日本本州東海岸
地圖5.3 2011/03/17 6時24分32秒37.249 142.293 24.9關閉的日本本州東海岸
地圖5.7 2011/03/17 6點12分43秒37.755 143.451 25.0關閉的日本本州東海岸
地圖5.2 2011/03/17 5時07分零一秒38.027 143.543 25.4關閉的日本本州東海岸
地圖6.1 2011/03/17四時13分56秒40.198 142.204 25.3附近的日本本州東海岸
地圖5.2 2011/03/17 3點五十分54秒36.312 142.820 20.6關閉的日本本州東海岸
地圖6.3 2011/03/17二時48分00秒-17.339 167.743 15.2瓦努阿圖
地圖5.0 2011/03/17 1時08分01秒36.387 142.891 20.0關閉的日本本州東海岸
地圖5.4 2011/03/17 1時00分08秒-57.913 -25.685 85.8南桑威奇群島地區
地圖5.1 2011/03/17 0時55分○三秒-32.465 -71.531 23.3海洋瓦爾帕萊索，智利
地圖5.0 2011/03/17〇點42分五十秒37.379 143.704 25.0關閉的日本本州東海岸
地圖5.7 2011/03/16 23點38分19秒39.165 142.661 25.3附近的日本本州東海岸
地圖5.3 2011/03/16 22時36分十七秒-32.469 -71.424 24.7瓦爾帕萊索，智利
地圖5.1 2011/03/16二十二點14分52秒38.831 144.205 26.9關閉的日本本州東海岸
地圖5.0 2011/03/16 22時07分53秒38.797 144.192 25.7關閉的日本本州東海岸
地圖5.1 2011/03/16 22時03分二十一秒37.609 143.482 39.8關閉的日本本州東海岸
地圖5.3 2011/03/16 20點44分43秒37.358 143.610 20.2關閉的日本本州東海岸
地圖5.0 2011/03/16十九點35分03秒37.641 141.987 24.9附近，日本本州東海岸
地圖5.0 2011/03/16 18時23分09秒29.412 141.806 23.7伊豆群島，日本地區
地圖5.0 2011/03/16 18時13分零零秒37.161 142.134 35.0關閉的日本本州東海岸
地圖5.2 2011/03/16 14點46分09秒38.529 141.656 39.9附近，日本本州東海岸
地圖5.4 2011/03/16 13時42分34秒19.033 -67.918 56.0多米尼加共和國地區
地圖5.4 2011/03/16十三點38分42秒36.581 142.669 1.0折扣的日本本州東海岸
地圖5.0 2011/03/16 12時零二分49秒35.723 141.800 24.6附近，日本本州東海岸
地圖5.0 2011/03/16 11時44分56秒37.595 141.383 25.1附近，日本本州東海岸
地圖5.0 2011/03/16 11時20分〇七秒36.278 141.106 24.7附近，日本本州東海岸
地圖5.1 2011/03/16 10點16分13秒39.764 143.434 29.9關閉的日本本州東海岸
地圖5.0 2011/03/16 8點17分10秒37.310 143.584 29.3關閉的日本本州東海岸
地圖5.8 2011/03/16 6點29分03秒39.944 142.076 31.1附近的日本本州東海岸
地圖5.3 2011/03/16 4時14分32秒37.561 141.413 24.7附近的日本本州東海岸
地圖6.0 2011/03/16三點52分06秒35.795 140.804 25.0附近，日本本州東海岸
地圖5.1 2011/03/16〇時10分09秒-21.217 -176.700 268.3斐濟地區
地圖5.4 2011/03/15 22時37分十七秒37.456 144.184 25.0關閉的日本本州東海岸
地圖5.1 2011/03/15 21點04分51秒36.721 140.389 20.3附近，日本本州東海岸
地圖5.7 2011/03/15 20時三十分01秒35.252 141.193 23.8附近，日本本州東海岸
地圖5.3 2011/03/15 20時14分32秒37.740 143.412 10.2關閉的日本本州東海岸
地圖5.3 2011/03/15 19點零一分33秒38.162 142.037 19.1附近的日本本州東海岸
地圖5.0 2011/03/15 18時29分14秒37.718 143.604 38.3關閉的日本本州東海岸
地圖6.1 2011/03/15 15時23分54秒四十點三三○143.271 19.4關閉的日本本州東海岸
地圖5.1 2011/03/15 13點37分56秒37.707 141.900 37.9附近，日本本州東海岸
地圖6.2 2011/03/15 13時31分47秒35.300 138.700 10.0東日本本州
地圖5.7 2011/03/15 13點27分57秒37.574 142.226 28.0關閉的日本本州東海岸
地圖5.2 2011/03/15 11時46分20秒40.530 142.689 13.7附近，日本本州東海岸
地圖5.0 2011/03/15 11時43分48秒37.819 145.118 18.2關閉的日本本州東海岸
地圖5.2 2011/03/15 11時06分16秒37.145 142.375 22.3關閉的日本本州東海岸
地圖5.2 2011/03/15 10:50:00 35.593 141.889 24.9附近，日本本州東海岸
地圖6.0 2011/03/15 9時49分54秒37.348 142.406 15.3關閉的日本本州東海岸
地圖5.3 2011/03/15 8時48分25秒37.500 143.642 35.3關閉的日本本州東海岸
地圖5.2 2011/03/15八點01分47秒40.436 143.240 29.5關閉的日本本州東海岸
地圖5.0 2011/03/15七時08分29秒38.336 142.211 30.1附近，日本本州東海岸
地圖5.0 2011/03/15 5時31分25秒36.162 142.232 25.2關閉的日本本州東海岸
地圖5.0 2011/03/15 3點25分20秒1.781 31.298 10.1艾伯特湖地區，烏干達
地圖5.1 2011/03/15三時21分35秒37.680 143.941 25.0關閉的日本本州東海岸
地圖5.0 2011/03/14 23時23分14秒40.050 142.636 24.5附近，日本本州東海岸
地圖5.0 2011/03/14 22點04分○八秒35.735 141.065 15.3附近，日本本州東海岸
地圖5.0 2011/03/14 20點41分25秒50.995 156.495 133.9千島群島
地圖5.2 2011/03/14 19點28分28秒38.684 141.965 26.2附近，日本本州東海岸
地圖5.5 2011/03/14十八點41分01秒36.594 141.894 22.8附近，日本本州東海岸
地圖5.7 2011/03/14 17點59分41秒37.212 142.413 18.9關閉的日本本州東海岸
地圖5.0 2011/03/14 15點23分53秒37.207 143.594 30.5關閉的日本本州東海岸
地圖5.1 2011/03/14十四時51分39秒38.565 143.174 19.0關閉的日本本州東海岸
地圖5.2 2011/03/14 14點五十分56秒38.327 142.121 38.7附近的日本本州東海岸
地圖5.1 2011/03/14 14時22分37秒36.201 141.631 23.5附近，日本本州東海岸
地圖5.1 2011/03/14 10點29分05秒39.658 142.466 20.3附近，日本本州東海岸
地圖5.1 2011/03/14十點28分42秒37.239 142.164 22.3關閉的日本本州東海岸
地圖5.0 2011/03/14 7點25分11秒36.680 141.313 44.4附近的日本本州東海岸
地圖5.0 2011/03/14 7時00分14秒39.324 143.374 20.7關閉的日本本州東海岸
地圖5.3 2011/03/14 6點52分23秒36.899 141.110 36.8附近的日本本州東海岸
地圖5.3 2011/03/14 6時46分58秒37.942 142.905 30.3關閉的日本本州東海岸
地圖5.2 2011/03/14六時43分55秒39.101 142.374 30.6附近，日本本州東海岸
地圖5.1 2011/03/14 6時27分29秒36.945 141.747 35.0附近的日本本州東海岸
地圖5.4 2011/03/14 6點18分26秒38.037 138.394 35.4附近的日本本州西海岸
地圖6.0 2011/03/14 6時12分36秒37.800 142.505 14.1關閉的日本本州東海岸
地圖5.1 2011/03/14四點57分56秒36.776 143.448 20.0關閉的日本本州東海岸
地圖5.2 2011/03/14三時二十分41秒36.730 141.669 20.1附近，日本本州東海岸
地圖5.3 2011/03/14 3點18分47秒39.219 144.331 26.3關閉的日本本州東海岸
地圖5.3 2011/03/14 3點十七分00秒-17.625 -174.802 206.9湯加
地圖5.6 2011/03/14 3時15分53秒36.265 142.146 31.2關閉的日本本州東海岸
地圖5.1 2011/03/14 1點57分54秒36.668 142.386 21.9關閉的日本本州東海岸
地圖5.8 2011/03/14 1點02分40秒36.455 140.965 18.8附近的日本本州東海岸
地圖5.0 2011/03/14 0點二十二分50秒36.960 141.761 25.1附近，日本本州東海岸
地圖5.3 2011/03/13 22點20分18秒36.056 141.767 18.0附近，日本本州東海岸
地圖5.1 2011/03/13二十二點04分41秒37.032 144.731 25.5關閉的日本本州東海岸
地圖5.1 2011/03/13 19時59分51秒37.001 141.832 25.0附近，日本本州東海岸
地圖5.5 2011/03/13十七點55分25秒35.205 141.030 24.0附近，日本本州東海岸
地圖5.2 2011/03/13 17點四十分31秒37.930 142.579 24.8關閉的日本本州東海岸
地圖5.1 2011/03/13 17時05分59秒37.642 143.595 24.9關閉的日本本州東海岸
地圖5.2 2011/03/13 17時01分32秒35.181 141.073 24.9附近，日本本州東海岸
地圖5.1 2011/03/13 15時27分21秒39.461 142.570 36.4附近，日本本州東海岸
地圖5.0 2011/03/13十五時10分52秒35.467 140.837 35.0附近，日本本州東海岸
地圖5.1 2011/03/13 15點○八分49秒36.967 144.440 23.6關閉的日本本州東海岸
地圖5.4 2011/03/13 14時48分01秒37.793 142.755 15.1關閉的日本本州東海岸
地圖5.1 2011/03/13 14時41分21秒38.303 142.779 12.0附近，日本本州東海岸
地圖5.0 2011/03/13 14點31分57秒39.165 142.709 25.7附近，日本本州東海岸
地圖5.1 2011/03/13 13點16分32秒34.339 141.625 23.0關閉的日本本州東海岸
地圖5.0 2011/03/13 12時42分33秒37.474 144.050 30.1關閉的日本本州東海岸
地圖6.0 2011/03/13十一時37分32秒37.348 142.416 24.8關閉的日本本州東海岸
地圖5.1 2011/03/13十一時01分23秒39.767 144.406 35.4關閉的日本本州東海岸
地圖5.0 2011/03/13 10:59:00 37.074 143.144 35.7關閉的日本本州東海岸
地圖5.0 2011/03/13 10時04分〇四秒37.792 143.662 34.2關閉的日本本州東海岸
地圖5.5 2011/03/13 9時52分31秒38.855 141.870 31.9附近，日本本州東海岸
地圖5.5 2011/03/13 9時25分零八秒39.055 142.475 24.2附近，日本本州東海岸
地圖5.0 2011/03/13 9點十三分00秒37.715 143.857 36.1關閉的日本本州東海岸
地圖5.0 2011/03/13 8時43分24秒37.173 142.442 25.1關閉的日本本州東海岸
地圖5.1 2011/03/13 8時26分21秒37.412 143.737 25.4關閉的日本本州東海岸
地圖5.9 2011/03/13 7時56分45秒39.644 143.237 24.9關閉的日本本州東海岸
地圖5.6 2011/03/13七時04分36秒38.327 144.131 18.8關閉的日本本州東海岸
地圖5.0 2011/03/13六時37分50秒37.803 143.419 25.3關閉的日本本州東海岸
地圖5.1 2011/03/13 4點四十分29秒36.303 142.332 24.8關閉的日本本州東海岸
地圖5.0 2011/03/13 4點36分14秒35.235 141.042 26.0附近的日本本州東海岸
地圖5.3 2011/03/13 4點23分24秒38.205 142.963 25.5附近的日本本州東海岸
地圖5.0 2011/03/13 4時12分56秒35.708 141.744 25.1附近的日本本州東海岸
地圖5.2 2011/03/13 2點57分15秒36.892 143.373 24.9關閉的日本本州東海岸
地圖5.4 2011/03/13 2時51分25秒36.881 143.384 25.3關閉的日本本州東海岸
地圖5.1 2011/03/13 2時48分二十秒36.893 142.637 25.2關閉的日本本州東海岸
地圖5.2 2011/03/13 2時42分29秒39.704 144.325 25.2關閉的日本本州東海岸
地圖5.0 2011/03/13 2時39分25秒37.072 142.884 25.1關閉的日本本州東海岸
地圖6.2 2011/03/13 2時23分37秒36.354 142.287 24.9關閉的日本本州東海岸
地圖5.5 2011/03/13 1時42分54秒36.942 142.907 25.2關閉的日本本州東海岸
地圖6.2 2011/03/13 1時26分07秒35.742 141.731 24.5附近，日本本州東海岸
地圖5.2 2011/03/13 0點四十七分05秒39.102 143.311 24.9關閉的日本本州東海岸
地圖5.0 2011/03/13 0點43分17秒38.072 142.700 26.4附近，日本本州東海岸
地圖5.0 2011/03/12二十三時51分24秒37.096 143.432 25.0關閉的日本本州東海岸
地圖5.2 2011/03/12 23時四十零分49秒36.651 141.704 25.3附近，日本本州東海岸
地圖5.1 2011/03/12 23時37分24秒36.758 142.323 25.0關閉的日本本州東海岸
地圖6.1 2011/03/12 23點24分五十秒37.981 141.849 24.8附近，日本本州東海岸
地圖5.4 2011/03/12 23時二十〇分42秒38.004 142.398 26.1附近，日本本州東海岸
地圖5.6 2011/03/12 22時31分27秒39.225 142.333 25.8附近，日本本州東海岸
地圖6.3 2011/03/12 22點12分46秒37.662 141.959 14.3附近，日本本州東海岸
地圖5.3 2011/03/12 21點58分17秒39.055 142.319 25.9附近，日本本州東海岸
地圖5.5 2011/03/12 21時48分09秒39.626 142.565 24.9附近，日本本州東海岸
地圖5.0 2011/03/12二十一時40分58秒37.170 143.354 25.3關閉的日本本州東海岸
地圖5.0 2011/03/12 21時38分35秒37.934 144.251 26.2關閉的日本本州東海岸
地圖5.2 2011/03/12 20點○九分55秒36.747 144.050 24.2關閉的日本本州東海岸
地圖5.0 2011/03/12 20時08分25秒35.775 141.893 24.5附近，日本本州東海岸
地圖5.0 2011/03/12 19時45分19秒-6.187 154.385 62.0布干維爾地區，巴布亞新幾內亞
地圖5.1 2011/03/12 19時11分59秒37.730 142.587 13.7關閉的日本本州東海岸
地圖5.0 2011/03/12 18時28分39秒-56.851 -27.963 2.358南桑威奇群島地區
地圖6.0 2011/03/12 17時19分24秒36.573 142.645 4.3折扣的日本本州東海岸
地圖5.1 2011/03/12十七點13分02秒25.466 -109.727 10.0加利福尼亞灣
地圖5.2 2011/03/12 17點11分09秒38.051 144.071 29.1關閉的日本本州東海岸
地圖5.1 2011/03/12 17時零一分22秒37.701 143.353 38.5關閉的日本本州東海岸
地圖5.0 2011/03/12 16時38分45秒38.067 144.066 25.1關閉的日本本州東海岸
地圖5.0 2011/03/12 16時22分15秒37.891 144.831 34.1關閉的日本本州東海岸
地圖5.7 2011/03/12 14時43分09秒39.471 142.406 21.5附近，日本本州東海岸
地圖5.6 2011/03/12 14點35分00秒35.784 141.660 24.4附近的日本本州東海岸
地圖5.3 2011/03/12 14時11分05秒25.396 -109.652 12.1加利福尼亞灣
地圖5.8 2011/03/12 14點03分三十秒38.843 142.592 24.8附近的日本本州東海岸
地圖5.2 2011/03/12 13點57分12秒36.439 141.926 24.2附近，日本本州東海岸
地圖5.3 2011/03/12 13時26分56秒39.381 142.423 25.1附近，日本本州東海岸
地圖5.5 2011/03/12十三點26分03秒25.350 -109.930 17.6加利福尼亞灣
地圖6.4 2011/03/12 13點15分42秒37.261 141.175 37.5附近，日本本州東海岸
地圖5.8 2011/03/12 12點53分五十秒37.754 143.573 19.2關閉的日本本州東海岸
地圖5.7 2011/03/12 11時46分01秒35.761 141.656 17.6附近，日本本州東海岸
地圖6.1 2011/03/12 10點53分31秒39.075 142.352 24.9附近，日本本州東海岸
地圖5.0 2011/03/12 10時39分十二秒36.749 141.799 31.3附近，日本本州東海岸
地圖5.3 2011/03/12 10時34分49秒37.846 144.377 25.0關閉的日本本州東海岸
地圖5.5 2011/03/12十點20分22秒37.197 143.483 25.5關閉的日本本州東海岸
地圖5.0 2011/03/12 10點00分26秒35.984 141.794 25.0附近，日本本州東海岸
地圖5.2 2011/03/12 9時51分35秒-3.790 151.443 10.0新愛爾蘭地區，巴布亞新幾內亞
地圖5.1 2011/03/12 9點40分44秒38.867 142.829 25.0附近的日本本州東海岸
地圖5.0 2011/03/12 9時27分12秒37.436 143.716 25.8關閉的日本本州東海岸
地圖5.4 2011/03/12 9時18分56秒37.141 143.496 25.0關閉的日本本州東海岸
地圖5.2 2011/03/12九點00分03秒37.328 143.591 41.3關閉的日本本州東海岸
地圖5.0 2011/03/12 8點52分五十秒37.221 143.659 38.1關閉的日本本州東海岸
地圖5.0 2011/03/12 8點45分30秒-7.239 129.151 186.4巴巴爾群島，印度尼西亞
地圖5.0 2011/03/12八點38分40秒-20.311 -176.185 229.3斐濟地區
地圖5.0 2011/03/12 8點13分42秒39.343 142.989 26.8附近的日本本州東海岸
地圖5.2 2011/03/12 7時54分10秒36.064 141.496 31.7附近的日本本州東海岸
地圖5.1 2011/03/12 7時18分53秒39.116 144.638 12.7關閉的日本本州東海岸
地圖5.1 2011/03/12 7時13分35秒37.452 142.050 25.2關閉的日本本州東海岸
地圖5.0 2011/03/12七點07分32秒38.363 142.164 29.7附近，日本本州東海岸
地圖5.0 2011/03/12 6時36分零零秒39.636 143.436 28.5關閉的日本本州東海岸
地圖5.5 2011/03/12 6時18分43秒39.235 142.377 36.4附近的日本本州東海岸
地圖5.5 2011/03/12 6點10分44秒38.594 143.753 10.4關閉的日本本州東海岸
地圖5.1 2011/03/12 6點10分23秒37.197 143.710 35.4關閉的日本本州東海岸
地圖5.2 2011/03/12 6點00分25秒36.415 141.714 29.9附近的日本本州東海岸
地圖5.1 2011/03/12 5點58分59秒37.759 143.963 37.6關閉的日本本州東海岸
地圖5.0 2011/03/12五時14分51秒36.811 140.375 25.2附近，日本本州東海岸
地圖5.3 2011/03/12四時52分58秒40.123 143.287 25.0關閉的日本本州東海岸
地圖5.1 2011/03/12 4時47分19秒35.969 141.416 26.4附近的日本本州東海岸
地圖5.0 2011/03/12 4時43分04秒35.983 141.347 25.9附近的日本本州東海岸
地圖5.2 2011/03/12 4點06分09秒38.902 141.792 25.5附近的日本本州東海岸
地圖5.5 2011/03/12 4點04分49秒-2.994 139.126 48.3附近的巴布亞，印度尼西亞北岸
地圖5.1 2011/03/12 3時54分48秒35.838 141.275 26.2附近的日本本州東海岸
地圖5.3 2011/03/12 3時34分46秒35.257 140.973 25.2附近的日本本州東海岸
地圖5.3 2011/03/12 3時29分28秒37.929 144.671 25.1關閉的日本本州東海岸
地圖5.7 2011/03/12 3點11分59秒35.950 141.407 24.5附近的日本本州東海岸
地圖5.8 2011/03/12 3時01分49秒39.612 142.770 25.0附近的日本本州東海岸
地圖5.6 2011/03/12二時47分36秒37.617 143.696 25.7關閉的日本本州東海岸
地圖5.0 2011/03/12 2時43分11秒39.170 142.342 25.3附近，日本本州東海岸
地圖5.2 2011/03/12二時34分05秒36.738 141.411 22.2附近，日本本州東海岸
地圖5.2 2011/03/12一時59分44秒37.522 142.783 24.5關閉的日本本州東海岸
地圖6.8 2011/03/12 1點47分16秒37.588 142.682 24.8關閉的日本本州東海岸
地圖6.2 2011/03/12 1時46分21秒37.354 141.998 25.4附近，日本本州東海岸
地圖5.2 2011/03/12 1點43分20秒36.321 141.753 27.7附近的日本本州東海岸
地圖6.0 2011/03/12 1點34分10秒38.748 142.853 24.5附近的日本本州東海岸
地圖5.1 2011/03/12 1時25分04秒36.425 141.605 27.5附近，日本本州東海岸
地圖6.1 2011/03/12 1點19分○七秒-16.727 -173.174 10.9湯加
地圖5.7 2011/03/12 1時17分41秒-16.661 -173.066 31.5湯加
地圖5.4 2011/03/12 1時17分02秒38.095 142.702 24.6附近，日本本州東海岸
地圖5.1 2011/03/12一點03分59秒37.939 141.556 26.0附近的日本本州東海岸
地圖5.5 2011/03/12 0時45分10秒36.041 141.815 23.7附近，日本本州東海岸
地圖5.0 2011/03/12○時39分37秒37.317 142.450 25.0關閉的日本本州東海岸
地圖5.0 2011/03/12 0時25分○八秒37.803 141.894 29.8附近，日本本州東海岸
地圖5.0 2011/03/12 0時21分25秒36.475 143.586 24.5關閉的日本本州東海岸
地圖5.4 2011/03/11 23時59分21秒36.499 141.441 22.6附近，日本本州東海岸
地圖5.3 2011/03/11 23時58分04秒38.460 143.530 29.1關閉的日本本州東海岸
地圖5.1 2011/03/11 23點53分29秒38.858 142.452 25.3附近，日本本州東海岸
地圖5.1 2011/03/11 23時40分12秒37.073 143.529 25.3關閉的日本本州東海岸
地圖5.3 2011/03/11 23點26分51秒39.178 142.709 24.9附近，日本本州東海岸
地圖5.0 2011/03/11二十三點21分22秒39.161 143.296 25.0關閉的日本本州東海岸
地圖5.4 2011/03/11 22點54分28秒36.494 142.267 25.4關閉的日本本州東海岸
地圖5.8 2011/03/11 22時51分18秒37.806 144.967 25.0關閉的日本本州東海岸
地圖5.3 2011/03/11二十二點42分59秒37.627 143.801 27.4關閉的日本本州東海岸
地圖5.0 2011/03/11二十二點36分57秒37.097 143.796 25.0關閉的日本本州東海岸
地圖5.2 2011/03/11 21時41分58秒37.279 142.351 10.1關閉的日本本州東海岸
地圖5.4 2011/03/11 21時零零分46秒39.048 142.477 24.9附近，日本本州東海岸
地圖5.1 2011/03/11 20時41分24秒37.675 143.698 25.0關閉的日本本州東海岸
地圖5.5 2011/03/11 20時36分10秒37.838 142.847 24.9關閉的日本本州東海岸
地圖5.1 2011/03/11 20時34分40秒36.993 140.985 25.2附近，日本本州東海岸
地圖5.5 2011/03/11 20時23分44秒35.818 141.583 24.2附近，日本本州東海岸
地圖6.3 2011/03/11 20時11分23秒39.025 142.645 8.7附近，日本本州東海岸
地圖6.6 2011/03/11 19點46分49秒40.472 139.070 10.0附近的日本本州西海岸
地圖5.2 2011/03/11 19時45分24秒37.653 141.548 25.2附近，日本本州東海岸
地圖5.5 2011/03/11 19時31分56秒36.962 138.367 10.3東日本本州
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地震震級
地震學家在表示地震的大小單位的數量級。有許多從地震震級是衡量，因為每個方法只在一個數量級，並與不同類型的地震儀不同的方式工作範圍有限。有些方法是基於體波（其中旅遊範圍內的地球深部結構），有的表面波（其中主要是沿着地球的最上面層旅行）的基礎上，和一些完全不同的方法為基礎。然而，所有的方法旨在同意以上的範圍和程度，他們是可靠的。
但現有數據不完整的程度有時初步估計和報告。例如，海嘯中心將計算出初步規模的事件和地點，儘快提供足夠的數據作出的估計。在這種情況下，時間是為了廣播警告，如果海嘯很可能是由事件產生的本質。這種初步的程度，這可能是由一個半級或以上的單位了，是在手的目的充足，是由規模更精確的估計取代了更多的數據變得可用。
地震震級是衡量地震大小的對數。簡單來說，這意味着在相同距離的地震，搖晃將在一個5級為里氏4級地震的中大地震的10倍。由地震所釋放的總能量，然而，上升了32個因素。
*地震
*危害
*學習
*準備
*監測
*研究
Latest Earthquakes M5.0+ in the World - Past 7 days
Latest Earthquakes Magnitude 5.0 and Greater in the World - Last 7 days
Versión en Español
Magnitude 5 and greater earthquakes located by the USGS and contributing networks in the last week (168 hours). Magnitudes 6 and above are in red. (Some early events may be obscured by later ones on the maps.)
The most recent earthquakes are at the top of the list. Times are in Coordinated Universal Time (UTC). Click on the word "map" to see a ten-degree tall map displaying the earthquake. Click on an event's "DATE" to get a detailed report.
DISCLAIMER
Update time = Fri Mar 18 19:25:09 UTC 2011
MAG UTC DATE-TIME
y/m/d h:m:s LAT
deg LON
deg DEPTH
km Region
MAP 5.0 2011/03/18 18:32:50 39.158 142.299 46.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/18 17:28:53 35.125 141.484 24.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/18 13:38:42 37.707 143.323 25.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/18 12:17:02 38.930 142.447 31.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/18 08:01:34 35.775 140.869 24.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/18 03:23:56 37.771 143.502 19.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/18 02:47:49 37.270 141.833 45.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/18 00:41:22 35.863 141.697 45.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/17 19:05:44 36.191 141.750 36.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.6 2011/03/17 18:55:38 37.175 142.291 29.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/17 18:01:20 37.701 144.409 23.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/17 17:31:56 37.713 143.434 30.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/17 15:34:33 40.512 79.057 18.7 SOUTHERN XINJIANG, CHINA
MAP 5.9 2011/03/17 12:54:52 36.766 141.307 25.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.6 2011/03/17 12:32:03 35.523 140.744 21.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/17 11:14:24 -32.518 -71.537 19.2 OFFSHORE VALPARAISO, CHILE
MAP 5.0 2011/03/17 09:05:58 40.240 142.333 25.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/17 08:28:28 53.244 159.364 74.6 NEAR THE EAST COAST OF KAMCHATKA, RUSSIA
MAP 5.3 2011/03/17 08:25:26 36.698 141.762 29.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.8 2011/03/17 08:03:04 -17.283 167.899 27.8 VANUATU
MAP 5.2 2011/03/17 06:42:46 38.709 143.911 36.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/17 06:24:32 37.249 142.293 24.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.7 2011/03/17 06:12:43 37.755 143.451 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/17 05:07:01 38.027 143.543 25.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.1 2011/03/17 04:13:56 40.198 142.204 25.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/17 03:50:54 36.312 142.820 20.6 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.3 2011/03/17 02:48:00 -17.339 167.743 15.2 VANUATU
MAP 5.0 2011/03/17 01:08:01 36.387 142.891 20.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/17 01:00:08 -57.913 -25.685 85.8 SOUTH SANDWICH ISLANDS REGION
MAP 5.1 2011/03/17 00:55:03 -32.465 -71.531 23.3 OFFSHORE VALPARAISO, CHILE
MAP 5.0 2011/03/17 00:42:50 37.379 143.704 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.7 2011/03/16 23:38:19 39.165 142.661 25.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/16 22:36:17 -32.469 -71.424 24.7 VALPARAISO, CHILE
MAP 5.1 2011/03/16 22:14:52 38.831 144.205 26.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/16 22:07:53 38.797 144.192 25.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/16 22:03:21 37.609 143.482 39.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/16 20:44:43 37.358 143.610 20.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/16 19:35:03 37.641 141.987 24.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/16 18:23:09 29.412 141.806 23.7 IZU ISLANDS, JAPAN REGION
MAP 5.0 2011/03/16 18:13:00 37.161 142.134 35.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/16 14:46:09 38.529 141.656 39.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/16 13:42:34 19.033 -67.918 56.0 DOMINICAN REPUBLIC REGION
MAP 5.4 2011/03/16 13:38:42 36.581 142.669 1.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/16 12:02:49 35.723 141.800 24.6 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/16 11:44:56 37.595 141.383 25.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/16 11:20:07 36.278 141.106 24.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/16 10:16:13 39.764 143.434 29.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/16 08:17:10 37.310 143.584 29.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.8 2011/03/16 06:29:03 39.944 142.076 31.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/16 04:14:32 37.561 141.413 24.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.0 2011/03/16 03:52:06 35.795 140.804 25.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/16 00:10:09 -21.217 -176.700 268.3 FIJI REGION
MAP 5.4 2011/03/15 22:37:17 37.456 144.184 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/15 21:04:51 36.721 140.389 20.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.7 2011/03/15 20:30:01 35.252 141.193 23.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/15 20:14:32 37.740 143.412 10.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/15 19:01:33 38.162 142.037 19.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/15 18:29:14 37.718 143.604 38.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.1 2011/03/15 15:23:54 40.330 143.271 19.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/15 13:37:56 37.707 141.900 37.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.2 2011/03/15 13:31:47 35.300 138.700 10.0 EASTERN HONSHU, JAPAN
MAP 5.7 2011/03/15 13:27:57 37.574 142.226 28.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/15 11:46:20 40.530 142.689 13.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/15 11:43:48 37.819 145.118 18.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/15 11:06:16 37.145 142.375 22.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/15 10:50:00 35.593 141.889 24.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.0 2011/03/15 09:49:54 37.348 142.406 15.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/15 08:48:25 37.500 143.642 35.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/15 08:01:47 40.436 143.240 29.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/15 07:08:29 38.336 142.211 30.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/15 05:31:25 36.162 142.232 25.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/15 03:25:20 1.781 31.298 10.1 LAKE ALBERT REGION, UGANDA
MAP 5.1 2011/03/15 03:21:35 37.680 143.941 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/14 23:23:14 40.050 142.636 24.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/14 22:04:08 35.735 141.065 15.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/14 20:41:25 50.995 156.495 133.9 KURIL ISLANDS
MAP 5.2 2011/03/14 19:28:28 38.684 141.965 26.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/14 18:41:01 36.594 141.894 22.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.7 2011/03/14 17:59:41 37.212 142.413 18.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/14 15:23:53 37.207 143.594 30.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/14 14:51:39 38.565 143.174 19.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/14 14:50:56 38.327 142.121 38.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/14 14:22:37 36.201 141.631 23.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/14 10:29:05 39.658 142.466 20.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/14 10:28:42 37.239 142.164 22.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/14 07:25:11 36.680 141.313 44.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/14 07:00:14 39.324 143.374 20.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/14 06:52:23 36.899 141.110 36.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/14 06:46:58 37.942 142.905 30.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/14 06:43:55 39.101 142.374 30.6 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/14 06:27:29 36.945 141.747 35.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/14 06:18:26 38.037 138.394 35.4 NEAR THE WEST COAST OF HONSHU, JAPAN
MAP 6.0 2011/03/14 06:12:36 37.800 142.505 14.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/14 04:57:56 36.776 143.448 20.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/14 03:20:41 36.730 141.669 20.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/14 03:18:47 39.219 144.331 26.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/14 03:17:00 -17.625 -174.802 206.9 TONGA
MAP 5.6 2011/03/14 03:15:53 36.265 142.146 31.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/14 01:57:54 36.668 142.386 21.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.8 2011/03/14 01:02:40 36.455 140.965 18.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/14 00:22:50 36.960 141.761 25.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/13 22:20:18 36.056 141.767 18.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 22:04:41 37.032 144.731 25.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 19:59:51 37.001 141.832 25.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/13 17:55:25 35.205 141.030 24.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/13 17:40:31 37.930 142.579 24.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 17:05:59 37.642 143.595 24.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/13 17:01:32 35.181 141.073 24.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 15:27:21 39.461 142.570 36.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 15:10:52 35.467 140.837 35.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 15:08:49 36.967 144.440 23.6 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/13 14:48:01 37.793 142.755 15.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 14:41:21 38.303 142.779 12.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 14:31:57 39.165 142.709 25.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 13:16:32 34.339 141.625 23.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 12:42:33 37.474 144.050 30.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.0 2011/03/13 11:37:32 37.348 142.416 24.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 11:01:23 39.767 144.406 35.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 10:59:00 37.074 143.144 35.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 10:04:04 37.792 143.662 34.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/13 09:52:31 38.855 141.870 31.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/13 09:25:08 39.055 142.475 24.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 09:13:00 37.715 143.857 36.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 08:43:24 37.173 142.442 25.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 08:26:21 37.412 143.737 25.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.9 2011/03/13 07:56:45 39.644 143.237 24.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.6 2011/03/13 07:04:36 38.327 144.131 18.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 06:37:50 37.803 143.419 25.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 04:40:29 36.303 142.332 24.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 04:36:14 35.235 141.042 26.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/13 04:23:24 38.205 142.963 25.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 04:12:56 35.708 141.744 25.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/13 02:57:15 36.892 143.373 24.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/13 02:51:25 36.881 143.384 25.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/13 02:48:20 36.893 142.637 25.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/13 02:42:29 39.704 144.325 25.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 02:39:25 37.072 142.884 25.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.2 2011/03/13 02:23:37 36.354 142.287 24.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/13 01:42:54 36.942 142.907 25.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.2 2011/03/13 01:26:07 35.742 141.731 24.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/13 00:47:05 39.102 143.311 24.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/13 00:43:17 38.072 142.700 26.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 23:51:24 37.096 143.432 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 23:40:49 36.651 141.704 25.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 23:37:24 36.758 142.323 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.1 2011/03/12 23:24:50 37.981 141.849 24.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/12 23:20:42 38.004 142.398 26.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.6 2011/03/12 22:31:27 39.225 142.333 25.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.3 2011/03/12 22:12:46 37.662 141.959 14.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 21:58:17 39.055 142.319 25.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 21:48:09 39.626 142.565 24.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 21:40:58 37.170 143.354 25.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 21:38:35 37.934 144.251 26.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 20:09:55 36.747 144.050 24.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 20:08:25 35.775 141.893 24.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 19:45:19 -6.187 154.385 62.0 BOUGAINVILLE REGION, PAPUA NEW GUINEA
MAP 5.1 2011/03/12 19:11:59 37.730 142.587 13.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 18:28:39 -56.851 -27.963 235.8 SOUTH SANDWICH ISLANDS REGION
MAP 6.0 2011/03/12 17:19:24 36.573 142.645 4.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 17:13:02 25.466 -109.727 10.0 GULF OF CALIFORNIA
MAP 5.2 2011/03/12 17:11:09 38.051 144.071 29.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 17:01:22 37.701 143.353 38.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 16:38:45 38.067 144.066 25.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 16:22:15 37.891 144.831 34.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.7 2011/03/12 14:43:09 39.471 142.406 21.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.6 2011/03/12 14:35:00 35.784 141.660 24.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 14:11:05 25.396 -109.652 12.1 GULF OF CALIFORNIA
MAP 5.8 2011/03/12 14:03:30 38.843 142.592 24.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 13:57:12 36.439 141.926 24.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 13:26:56 39.381 142.423 25.1 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 13:26:03 25.350 -109.930 17.6 GULF OF CALIFORNIA
MAP 6.4 2011/03/12 13:15:42 37.261 141.175 37.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.8 2011/03/12 12:53:50 37.754 143.573 19.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.7 2011/03/12 11:46:01 35.761 141.656 17.6 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.1 2011/03/12 10:53:31 39.075 142.352 24.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 10:39:12 36.749 141.799 31.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 10:34:49 37.846 144.377 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 10:20:22 37.197 143.483 25.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 10:00:26 35.984 141.794 25.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 09:51:35 -3.790 151.443 10.0 NEW IRELAND REGION, PAPUA NEW GUINEA
MAP 5.1 2011/03/12 09:40:44 38.867 142.829 25.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 09:27:12 37.436 143.716 25.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/12 09:18:56 37.141 143.496 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 09:00:03 37.328 143.591 41.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 08:52:50 37.221 143.659 38.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 08:45:30 -7.239 129.151 186.4 KEPULAUAN BABAR, INDONESIA
MAP 5.0 2011/03/12 08:38:40 -20.311 -176.185 229.3 FIJI REGION
MAP 5.0 2011/03/12 08:13:42 39.343 142.989 26.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 07:54:10 36.064 141.496 31.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 07:18:53 39.116 144.638 12.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 07:13:35 37.452 142.050 25.2 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 07:07:32 38.363 142.164 29.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 06:36:00 39.636 143.436 28.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 06:18:43 39.235 142.377 36.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 06:10:44 38.594 143.753 10.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 06:10:23 37.197 143.710 35.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 06:00:25 36.415 141.714 29.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 05:58:59 37.759 143.963 37.6 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 05:14:51 36.811 140.375 25.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 04:52:58 40.123 143.287 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 04:47:19 35.969 141.416 26.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 04:43:04 35.983 141.347 25.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 04:06:09 38.902 141.792 25.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 04:04:49 -2.994 139.126 48.3 NEAR THE NORTH COAST OF PAPUA, INDONESIA
MAP 5.1 2011/03/12 03:54:48 35.838 141.275 26.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 03:34:46 35.257 140.973 25.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/12 03:29:28 37.929 144.671 25.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.7 2011/03/12 03:11:59 35.950 141.407 24.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.8 2011/03/12 03:01:49 39.612 142.770 25.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.6 2011/03/12 02:47:36 37.617 143.696 25.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 02:43:11 39.170 142.342 25.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 02:34:05 36.738 141.411 22.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 01:59:44 37.522 142.783 24.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.8 2011/03/12 01:47:16 37.588 142.682 24.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.2 2011/03/12 01:46:21 37.354 141.998 25.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/12 01:43:20 36.321 141.753 27.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.0 2011/03/12 01:34:10 38.748 142.853 24.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 01:25:04 36.425 141.605 27.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.1 2011/03/12 01:19:07 -16.727 -173.174 10.9 TONGA
MAP 5.7 2011/03/12 01:17:41 -16.661 -173.066 31.5 TONGA
MAP 5.4 2011/03/12 01:17:02 38.095 142.702 24.6 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/12 01:03:59 37.939 141.556 26.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/12 00:45:10 36.041 141.815 23.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 00:39:37 37.317 142.450 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 00:25:08 37.803 141.894 29.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/12 00:21:25 36.475 143.586 24.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/11 23:59:21 36.499 141.441 22.6 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/11 23:58:04 38.460 143.530 29.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/11 23:53:29 38.858 142.452 25.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/11 23:40:12 37.073 143.529 25.3 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/11 23:26:51 39.178 142.709 24.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/11 23:21:22 39.161 143.296 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/11 22:54:28 36.494 142.267 25.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.8 2011/03/11 22:51:18 37.806 144.967 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.3 2011/03/11 22:42:59 37.627 143.801 27.4 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/11 22:36:57 37.097 143.796 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/11 21:41:58 37.279 142.351 10.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/11 21:00:46 39.048 142.477 24.9 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/11 20:41:24 37.675 143.698 25.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/11 20:36:10 37.838 142.847 24.9 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/11 20:34:40 36.993 140.985 25.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/11 20:23:44 35.818 141.583 24.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.3 2011/03/11 20:11:23 39.025 142.645 8.7 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.6 2011/03/11 19:46:49 40.472 139.070 10.0 NEAR THE WEST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/11 19:45:24 37.653 141.548 25.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/11 19:31:56 36.962 138.367 10.3 EASTERN HONSHU, JAPAN
Earthquake Magnitude
Seismologists indicate the size of an earthquake in units of magnitude. There are many different ways that magnitude is measured from seismograms because each method only works over a limited range of magnitudes and with different types of seismometers. Some methods are based on body waves (which travel deep within the structure of the earth), some based on surface waves (which primarily travel along the uppermost layers of the earth), and some based on completely different methodologies. However, all of the methods are designed to agree well over the range of magnitudes where they are reliable.
Preliminary magnitudes based on incomplete but available data are sometimes estimated and reported. For example, the Tsunami Centers will calculate a preliminary magnitude and location for an event as soon as sufficient data is available to make an estimate. In this case, time is of the essence in order to broadcast a warning if tsunami waves are likely to be generated by the event. Such preliminary magnitudes, which may be off by one-half magnitude unit or more, are sufficient for the purpose at hand, and are superseded by more exact estimates of magnitude as more data become available.
Earthquake magnitude is a logarithmic measure of earthquake size. In simple terms, this means that at the same distance from the earthquake, the shaking will be 10 times as large during a magnitude 5 earthquake as during a magnitude 4 earthquake. The total amount of energy released by the earthquake, however, goes up by a factor of 32.
* Earthquakes
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zt福島核電站311危機-美國國家地理座落在活斷層附近的加州阿布洛峽谷核電站(圖片) 
