3.4-magnitude earthquake shakes East Bay near Pinole, USGS reports

3.4 earthquake strikes near Pinole in East Bay region

A 3.4-magnitude earthquake was recorded in the East Bay on Sunday night, June 8, according to the United States Geological Survey (USGS). The earthquake occurred at approximately 9:30 p.m., with the epicenter located near the shoreline of Pinole Shores Park in the San Francisco Bay Area.

The quake’s epicenter was approximately one mile from the city of Pinole and registered at a depth of 9.4 kilometers (about 5.84 miles). The USGS classified the earthquake as a preliminary magnitude 3.4 event.

Also read: Magnitude 2.4 earthquake reported near Long Beach, California


Tremors from the earthquake were reportedly felt in San Pablo, Martinez, and other communities throughout the East Bay region. There have been no immediate reports of damage or injuries associated with the earthquake.

Earthquakes of this magnitude are considered minor and typically do not result in significant structural impacts. However, shallow earthquakes in populated regions can be felt over a wider area, depending on the local geology.

USGS monitoring systems continue to collect seismic data and evaluate the potential for aftershocks or related seismic activity in the area.

The East Bay, part of the greater San Francisco Bay Area, is situated in a seismically active region that includes several major fault lines, including the Hayward and Calaveras faults. Residents are advised to remain informed about local emergency preparedness recommendations and earthquake safety protocols.