California earthquakes

M1.7 earthquake 24km ENE of Pine Valley, CA

A magnitude 1.7 earthquake struck 24km ENE of Pine Valley, CA on Wed, Jul 31, 1985, 7:37 AM PDT (14:37 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M1.8 2km SSW of Lake Henshaw, CA. This one was a foreshock.

Pine Valley forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (mc), micro
Local time
UTC
1985-07-31 14:37:33 UTC
Depth
5.4 km (3.4 mi), shallow
Epicenter
32.932° N, 116.303° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
Operator assigned
Station coverage gap
86°
Stations used
0

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 182.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci71638. Read Wed, Sep 23, 2026, 3:21 AM UTC.