M2.0 earthquake 4km WSW of Pine Valley, CA

A magnitude 2.0 earthquake struck 4km WSW of Pine Valley, CA on Tue, May 15, 1973, 5:22 PM PDT (00:22 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.8 6km ENE of Westmorland, 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: 63 in the 60 days after this one and 9 in the 30 days before it.

The first 60 of 63.

From the USGS Earthquake Hazards Program and its partner networks, event ci3319956. Read Sat, Oct 3, 2026, 2:23 PM UTC.