- Since 1973 there has been a steady increase in the number of earthquakes being recorded with a particularly strong increase in 2003 to 2005.
- Of those earthquakes, only 174 were of magnitude 7.0 or greater. However, many people are asking “are earthquakes on the rise?”
- There have been 131,834 earthquakes of magnitude 4.0 or greater that have been detected since 1973.
- A rough categorization of the earthquakes into geographic regions (by longitude) shows that the most significant increase in recorded earthquakes is in the Pacific Rim near Asia.
- Magnitude49.1 Since 1973 there has been a steady increase in the number of earthquakes being recorded with a particularly strong increase in 2003 to 2005.














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