Number of strong earthquakes in the U.S. by state

This statistic shows the Number of strong earthquakes in the U.S. from 1974 to 2003, by state. From 1974 to 2003, 12,053 strong earthquakes have been recorded in Arkansas.

Number of strong earthquakes in the U.S. from 1974 to 2003, by state*

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Source

Release date

June 2012

Region

United States

Survey time period

1974 to 2003

Supplementary notes

* The data represents earthquakes of a magnitude range of 3.5 and greater.
Number of strong earthquakes in total: 21,080.
Events in the magnitude range of 3.5 to 4.0 in the Aleutian Islands are not recorded on enough seismograph stations to be located.
The expression Richter magnitude scale refers to a number of ways to assign a single number to quantify the energy contained in an earthquake. In all cases, the magnitude is a base-10 logarithmic scale obtained by calculating the logarithm of the amplitude of waves measured by a seismograph. An earthquake that measures 5.0 on the Richter scale has a shaking amplitude 10 times larger and corresponds to an energy release of v1000 ˜ 31.6 times greater than one that measures 4.0.

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Statistics on "Natural Disasters in the United States"

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