California earthquakes

M5.6 earthquake 24 km WSW of Dyer, Nevada

A magnitude 5.6 earthquake struck 24 km WSW of Dyer, Nevada on Mon, Jul 21, 1986, 3:07 PM PDT (22:07 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M5.8 10 km NNE of Dixon Lane-Meadow Creek, California. This one was a foreshock.

Dixon Lane-Meadow Creek forecast More in California

Map

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

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The earthquake

Magnitude: 5.6 (ml), moderate
Local time: Mon, Jul 21, 1986, 3:07 PM PDT
UTC: 1986-07-21 22:07:15 UTC
Depth: -0.1 km (-0.0 mi), shallow
Epicenter: 37.621° N, 118.342° W
Region: California
Strongest shaking: VIII, severe shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: VIII, severe shaking
Peak ground acceleration: 44.4% of gravity
Peak ground velocity: 3.5 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

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 3.0 km horizontally, 7.2 km in depth
Depth from: From location
Station coverage gap: 296°, poorly surrounded by stations
Stations used: 18

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc95459 (also filed as ci127368, ci127367, gcmtb072186c, ushis3982, usp0002wb3, iscgem491370, usp0002wb2). Read Mon, Sep 21, 2026, 8:24 PM UTC.