We now have recorded more than 60 small to moderate earthquakes in northwest Arizona as part of a swarm that began on March 28. There have been 11 events in the past 7 days 9shown in the figure at right), including a magnitude 3.8 quake which is the largest one in the sequence.
The list below shows the magnitude, location, and time/date of this past weeks quakes. [Credit, USGS]
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