M1.7 earthquake 24km SW of Olancha, CA

A magnitude 1.7 earthquake struck 24km SW of Olancha, CA on Thu, Nov 1, 1990, 5:38 PM PST (01:38 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M3.5 12km E of Lone Pine, 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: 116 in the 60 days after this one and 93 in the 30 days before it.

The first 60 of 116.

From the USGS Earthquake Hazards Program and its partner networks, event ci2007374. Read Sun, Oct 4, 2026, 5:55 AM UTC.