Frequency of Earthquakes Worldwide
The following table lists the frequency of earthquakes worldwide, according to magnitude and annual average.
|Great||8 or higher||11|
|Very minor||2–2.9||c. 1,300,000|
1. Based on observations since 1900. 2. Based on observations since 1990. NOTE: The NEIC estimates that several million earthquakes occur in the world each year. Many go undetected because they hit remote areas or have very small magnitudes.
Source: National Earthquake Information Center, U.S. Geological Survey.
|The Severity of an Earthquake||Earthquakes||Number of Earthquakes Worldwide, 1990–2007, and Mortality Figures|