M2.7 earthquake 8km ESE of Fremont, CA

A magnitude 2.7 earthquake struck 8km ESE of Fremont, CA on Tue, Feb 9, 2021, 10:58 AM PST (18:58 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.8 9km ENE of Gilroy, CA. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.68	Md, duration	Northern California Seismic System	Preferred · Final · ±0.191 · 111 stations
2.4	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.043 · 72 stations

145 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 54 in the 30 days before it.

The first 60 of 72.

From the USGS Earthquake Hazards Program and its partner networks, event nc73520831 (also filed as us6000dg0w). Read Sat, Oct 3, 2026, 8:27 PM UTC.