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Earthquake Data

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  • Mon, Oct 24, 2011 - 01:51pm

    #1
    land2341

    land2341

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    Earthquake Data

 Withe the recent spate of earthquakes and the impending start of yet another round of the world is ending claims  (Oct 21st??  came and went)

I thought it might be interesting to take a good look at he data

 


 

Number of Earthquakes by Year

last updated 12 August 2011

 


 

Link to Resources on the Great Tohoku Earthquake, 11 March 2011 (near Sendai, Japan)

(all data from USGS)

World Earthquakes, 1970-2010

year number of earthquakes in magnitude range estimated deaths
8.0 to 9.9 7.0 to 7.9 6.0 to 6.9 5.0 to 5.9 5.0 to 9.9
1970 0 20 110 1,195 1,325 68,202
1971 1 19 112 1,331 1,463 1,279
1972 0 15 110 1,316 1,441 11,179
1973 0 13 95 1,331 1,439 659
1974 0 14 99 1,312 1,425 5,440
1975 1 14 107 1,447 1,569 12,372
1976 2 15 114 1,649 1,780 697,309
1977 2 11 89 1,686 1,788 2,849
1978 0 16 93 1,526 1,635 15,192
1979 0 13 100 1,366 1,479 1,475
1980 1 13 105 1,299 1,418 8,620
1981 0 13 90 1,168 1,271 5,223
1982 0 10 85 1,425 1,520 3,328
1983 0 14 126 1,673 1,813 2,372
1984 0 8 91 1,579 1,678 174
1985 1 13 110 1,674 1,798 9,846
1986 1 5 89 1,665 1,760 1,068
1987 0 11 112 1,437 1,560 1,080
1988 0 8 93 1,485 1,586 26,552
1989 1 6 79 1,444 1,530 617
1990 0 18 109 1,617 1,744 52,056
1991 0 16 96 1,457 1,569 3,210
1992 0 13 166 1,498 1,677 3,920
1993 0 12 137 1,426 1,575 10,096
1994 2 11 146 1,542 1,701 1,634
1995 2 18 183 1,318 1,521 7,980
1996 1 14 149 1,222 1,386 589
1997 0 16 120 1,113 1,249 3,069
1998 1 11 117 979 1,108 9,430
1999 0 18 116 1,104 1,238 22,662
2000 1 14 146 1,344 1,505 231
2001 1 15 121 1,224 1,361 21,357
2002 0 13 127 1,201 1,341 1,685
2003 1 14 140 1,203 1,358 33,819
2004 2 14 141 1,515 1,672 228,802
2005 1 10 140 1,693 1,844 88,003
2006 2 9 142 1,712 1,865 6,605
2007 4 14 178 2,074 2,270 712
2008 0 12 168 1,768 1,948 88,011
2009 1 16 144 1,896 2,057 1,790
2010 1 21 151 1,963 2,136 320,159
2011 1 11 137 1,656 1,805 28,361

 

 

 

 


 

 

 It looks to me like we are simply ending a 30 year quiecent period.  The further back you go on the data the more apparent the downward swing is that started in the late 60s and is now ending.  It is less  sudden upswing as a return to a hiugher norm.  The funny data is that 2007 is the real boondoggle but had low death rates.  Location, location, location!!


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