SAN FRANCISCO (KRON) – A 3.0 magnitude earthquake struck the East Bay at 4:50 a.m. about 9 miles northwest of Livermore, according to USGS.
A few hours later another earthquake rattled the North Bay around 7:16 a.m.
The preliminary magnitude 3.4 quake hit about four miles north of Calistoga.
It had a recorded depth of 7.4 km.
No injuries or damage were reported for either quake.