California earthquakes

M1.9 earthquake 3 km SW of Moskowite Corner, California

A magnitude 1.9 earthquake struck 3 km SW of Moskowite Corner, California on Thu, Jun 14, 1990, 4:41 AM PDT (11:41 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.5 7 km WSW of Cobb, 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: 1.9 (Md, duration), micro
Magnitude from: Northern California Seismic System
Local time: Thu, Jun 14, 1990, 4:41 AM PDT
UTC: 1990-06-14 11:41:53 UTC
Depth: 7.9 km (4.9 mi), shallow
Epicenter: 38.419° N, 122.220° W
Region: California
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: ±0.20
Depth from: From location
Station coverage gap: 77°
Stations used: 18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 167 in the 60 days after this one and 114 in the 30 days before it.

After

The first 60 of 167.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc159367. Read Mon, Oct 5, 2026, 3:42 AM UTC.