California shakes most often in September.(research suggests atmospheric pressure causes high frequency of earthquakes in September)(Brief Article)

From: Science News | Date: December 13, 1997| Author: | Copyright information

Seismologists have discovered a potential link between earthquakes and the weather--a connection that researchers had dismissed for decades.

A study of earthquakes in California and neighboring states indicates that fault activity in the last 5 years has followed a yearly pattern. The predominantly tiny quakes have occurred most frequently in September and least often in April, report Shang Xing Gao and Paul G. Silver of the Carnegie Institution of Washington (D.C.). After examining many potential causes of the cycle, Gao and Silver found that atmospheric pressure appears ...

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