California earthquakes

M1.9 earthquake 10 km NW of Parkfield, California

A magnitude 1.9 earthquake struck 10 km NW of Parkfield, California on Fri, Jun 25, 1982, 12:45 AM PDT (07:45 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M2.5 10 km NW of Parkfield, 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), micro
Local time
UTC
1982-06-25 07:45:15 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
35.968° N, 120.518° 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, 0.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
77°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 120 in the 60 days after this one and 47 in the 30 days before it.

After

The first 60 of 120.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1075670. Read Tue, Sep 22, 2026, 9:43 PM UTC.