Stream of Consciousness
The bits and pieces of stuff that don't fit in my business blog, Beyond-Paper.
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May 12, 2008
4:51pm
Frequency of Occurrence of Earthquakes
Frequency of Occurrence of Earthquakes
Magnitude Average Annually 8 and higher 1 ¹ 7 - 7.9 17 ² 6 - 6.9 134 ² 5 - 5.9 1319 ² 4 - 4.9 13,000(estimated) 3 - 3.9 130,000
(estimated) 2 - 2.9 1,300,000
(estimated) ¹ Based on observations since 1900.
² Based on observations since 1990.
USGS
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