M2.5 earthquake 8km NNW of Grapevine, CA

A magnitude 2.5 earthquake struck 8km NNW of Grapevine, CA on Sat, Jan 8, 1983, 1:56 PM PST (21:56 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.8 3km SSE of Frazier Park, CA. This one was a foreshock.

Map

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

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: 76 in the 60 days after this one and 16 in the 30 days before it.

The first 60 of 76.

From the USGS Earthquake Hazards Program and its partner networks, event ci501804. Read Wed, Sep 23, 2026, 3:22 AM UTC.