M1.5 earthquake 6km NNE of Grapevine, CA

A magnitude 1.5 earthquake struck 6km NNE of Grapevine, CA on Wed, Oct 24, 1990, 1:33 AM PDT (08:33 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.3 14km NNE of Lamont, 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: 80 in the 60 days after this one and 28 in the 30 days before it.

The first 60 of 80.

From the USGS Earthquake Hazards Program and its partner networks, event ci2006863. Read Sat, Oct 3, 2026, 8:53 PM UTC.