California earthquakes

M2.2 earthquake 7 km SSW of Doyle, California

A magnitude 2.2 earthquake struck 7 km SSW of Doyle, California on Tue, Nov 17, 1987, 5:09 AM PST (13:09 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.0 29 km ENE of Herlong, California. This one was a foreshock.

Doyle forecastMore in California

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

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The earthquake

Magnitude
2.2 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-11-17 13:09:02 UTC
Depth
3.7 km (2.3 mi), shallow
Epicenter
39.965° N, 120.127° 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 2.4 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
218°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1153868. Read Fri, Oct 2, 2026, 1:55 PM UTC.