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Number of Earthquakes per Year

How many earthquakes are there per year?

Several million.

Several million earthquakes occur each year around the world. Many of these are undetected because they hit remote areas or have a very small magnitude. This is according to the U.S. Geological Survey or USGS. From 1900 to 2010, the USGS reports the following annual frequency of earthquakes:

Magnitude 8 o higher Once a year
Magnitude 7 to 7.9 17 times per year
Magnitude 6 to 6.9 134 times per year
Magnitude 5 to 5.9 1,319 times per year
Magnitude 4 to 4.9 About 13,000 times per year
Magnitude 3 to 3.9 About 130,000 times per year
Magnitude 2 to 2.9 About 1.3 million times per year
This fact is verified on : March 3, 2010.





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