M1.7 earthquake 12km ESE of Tehachapi, CA

A magnitude 1.7 earthquake struck 12km ESE of Tehachapi, CA on Thu, Apr 17, 1986, 10:42 AM PST (18:42 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.9 18km SW of Little Lake, 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: 105 in the 60 days after this one and 45 in the 30 days before it.

The first 60 of 105.

From the USGS Earthquake Hazards Program and its partner networks, event ci122214. Read Mon, Sep 28, 2026, 8:12 AM UTC.