M2.4 earthquake 5 km NNE of Corralitos, California

A magnitude 2.4 earthquake struck 5 km NNE of Corralitos, California on Wed, Jan 10, 1990, 8:07 AM PST (16:07 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.1 4 km E of Interlaken, California. 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
2.41	Md, duration	Northern California Seismic System	Preferred · Final · ±0.13 · 53 stations
2.1	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

The USGS’s account of the effects of this earthquake.

Felt in the Uvas Canyon County Park area.

From the USGS event page for nc150421. U.S. Geological Survey text and figures are in the public domain.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 190 in the 30 days before it.

The first 60 of 187.

From the USGS Earthquake Hazards Program and its partner networks, event nc150421 (also filed as usp000443c). Read Sat, Oct 3, 2026, 11:43 AM UTC.