M2.1 earthquake 16km NW of Grapevine, CA

A magnitude 2.1 earthquake struck 16km NW of Grapevine, CA on Wed, Oct 31, 1984, 1:16 PM PST (21:16 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M2.2 15km NW of California City, 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: 72 in the 60 days after this one and 27 in the 30 days before it.

The first 60 of 72.

From the USGS Earthquake Hazards Program and its partner networks, event ci53393. Read Tue, Sep 22, 2026, 9:41 PM UTC.