There were four earthquakes in northwest Arizona between March 7 and 11, ranging in size from magnitude 1.3 to 1.9.
March 7 - M=1.7
March 8 - M=1.3
March 11 - M=1.9
March 11 - M=1.7
This area of the state lies at the southern end of the Intermountain Seismic Belt and earthquakes of this size are common. [Right, the yellow dots mark the quake epicenters. Credit, USGS]
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