(KRON) — A 3.4-magnitude earthquake shook San Ramon Friday morning, according to the U.S. Geological Survey. The epicenter was just east of California High School.
The quake occurred at 10:33 a.m. along the Calaveras Fault, USGS said. Less than a minute later, a 2.9-magnitude aftershock followed.
People reported feeling the shaking from Martinez down to Fremont, according to USGS’s “Did You Feel It?” survey.
There were no initial reports of damage or injuries…