Data from the USGS shows the seismic events have ranged in strength from 2.5 up to 4.2 in magnitude.
Did you feel them? A 4.2 earthquake struck near San Ramon Monday morning amid a string of over 30 temblors in the area, the U ...
The largest of the 19 earthquakes measured by the U.S. Geological Survey was a magnitude 4.2 shaker that was centered about ...
SAN BERNARDINO COUNTY, CA - Thursday evening, a preliminary 2.4 magnitude quake was detected close to Fontana, according to the U.S. Geological Survey.
IMPERIAL COUNTY, CA - Friday morning, a 2.0 magnitude quake was recorded near Holtville, according to the U.S. Geological Survey.
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