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Several aftershocks rattle Berkeley, near epicenter of Monday morning's 4.3 quake, USGS says

Tuesday, September 23, 2025

4.3 quake centered in Berkeley shakes Bay Area, causes minor damage

BERKELEY, Calif. (KGO) -- Several aftershocks have struck Berkeley in the same area where a 4.3 earthquake struck early Monday morning, shaking the Bay Area, according to the United States Geological Survey.

The most notable aftershock was a magnitude 3.0 on Monday evening, but there have been a number of even smaller aftershocks, including two early Tuesday morning.

They come after the 4.3 quake woke up many people Monday morning, with more than 22,000 saying they felt it.

The quake was centered in Berkeley and struck at 2:56 a.m. with a depth of about 4.8 miles. It was originally reported as a magnitude 4.6, but was then downgraded.

The epicenter was at the intersection of Dwight Way and Piedmont Ave in Berkeley, just south of Cal Memorial Stadium.

The temblor was on the Hayward Fault line was felt in much of the Bay Area.

In the aftermath, several businesses have reported minor damage. A local deli in Berkeley lost one of its front windows due to the force of the quake. A large glass window of a business in Oakland's Montclair neighborhood also shattered from the quake.

"The movement made the pressure of the glass just pop at that point, because this glass is very thick. It's a quarter inch, so it normally doesn't break easy," Abraham Molina with Glass Solutions CA said.

Just next to that business, a local Vitamin store saw products thrown from shelves and a Sephora store on 4th Street in Berkeley saw some of its products falling from the shelves.

San Francisco Mayor Daniel Lurie posted online about the quake, saying "first responders are assessing any impact to our city, and we will give an update later today."

A map from USGS shows people felt the most shaking in the East Bay, but people reported feeling the shaking as far north as Santa Rosa and as far south as Salinas.

BART said trains were running at reduced speeds early Monday morning as the agency completes safety track inspections, but normal service is now running systemwide.

USGS Seismologist Sarah Minson told ABC7 News this is what they consider a small earthquake even thought the shaking from it was enough to wake people up all over the Bay Area this morning.

"Shaking is variable and it depends a lot on your location, what kind of building you're in, what kind of land you're standing on," Minson said. "However, this being such a small magnitude earthquake, shaking from it is going to be pretty low everywhere, certainly enough to be impactful for people, for them to feel it, for it to be upsetting, potentially even to knock over things very close to the epicenter. But in general, we wouldn't expect to see, for example, structural damage from an earthquake this small."

The reminder from both the USGS and local first responders is to get and stay prepared for an earthquake larger than this.

The Associated Press contributed to this story.

MAP: Significant San Francisco Bay Area fault lines and strong earthquakes
Zoom in on the map below and compare where you live to the significant faults and where strong earthquakes have struck in the Bay Area.

Stay with ABC7 News for the latest details on this developing story.

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