California earthquakes

M2.1 earthquake 3 km WSW of Round Valley, California

A magnitude 2.1 earthquake struck 3 km WSW of Round Valley, California on Mon, Aug 26, 1985, 7:53 PM PDT (02:53 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.1 20 km SSE of Dyer, Nevada. This one was a foreshock.

West Bishop 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
2.1 (md), micro
Local time
UTC
1985-08-27 02:53:56 UTC
Depth
9.3 km (5.8 mi), shallow
Epicenter
37.411° N, 118.623° 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.

Location uncertainty
About 0.3 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
94°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 137 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 137.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc53908 (also filed as ci112430). Read Tue, Sep 22, 2026, 9:18 AM UTC.