California earthquakes

M1.6 earthquake 17 km NNE of Soledad, California

A magnitude 1.6 earthquake struck 17 km NNE of Soledad, California on Sun, Apr 19, 1987, 5:46 AM PDT (12:46 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.1 5 km NNE of Tres Pinos, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-04-19 12:46:53 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
36.572° N, 121.255° 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, 0.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
66°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 141 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 141.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc98890. Read Thu, Oct 1, 2026, 11:30 PM UTC.