The U. S.
Geological Survey recorded a preliminary 2.0 magnitude earthquake near Borrego Springs, California, at 9:49 a. m.
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on Friday, July 31, 2026. The epicenter was located roughly 6 miles south of the town at a depth of 7 miles.
This tremor in San Diego County followed a 2.8 magnitude earthquake detected near Gilroy in San Benito County at 7:04 a.
m. on Thursday, July 30, 2026.
USGS recorded that event approximately 6 miles east-southeast of Gilroy at a 1-mile depth.
Recent regional seismic events also include a magnitude 3.0 quake near Niland on July 24 and a magnitude 2.5 tremor near Gilroy on July 27.
Officials note that residents who felt the shaking can submit reports through the USGS Felt Report portal.
Understanding Earthquake Magnitudes
According to Michigan Tech data, earthquakes between 2.5 and 5.4 magnitude are often felt but rarely cause significant damage.
Events below 2.5 magnitude are seldom noticed.
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The Department of Homeland Security estimates roughly 500,000 detectable earthquakes occur globally each year.
Of these, 100,000 are felt, and about 100 cause actual damage, most frequently impacting states like California, Alaska, and Hawaii.
Safety officials emphasize immediate protective measures during seismic events.
They advise individuals indoors to stay put, avoid doorways, and practice dropping, covering, and holding on under sturdy furniture.
"Wherever you are, drop down to your hands and knees and hold onto something sturdy," officials say.
"If you're using a wheelchair or walker with a seat, make sure your wheels are locked and remain seated until the shaking stops."
Emergency managers warn that secondary hazards often follow initial tremors.
"There can be serious hazards after an earthquake, such as damage to the building, leaking gas and water lines, or downed power lines," officials say.
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"Expect aftershocks to follow the main shock of an earthquake. Be ready to Drop, Cover, and Hold On if you feel an aftershock."
