California earthquakes

M2.0 earthquake 6 km SW of Swall Meadows, California

A magnitude 2.0 earthquake struck 6 km SW of Swall Meadows, California on Fri, Nov 30, 1984, 10:03 PM PST (06:03 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M5.2 31 km ENE of Mono City, 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-12-01 06:03:17 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
37.465° N, 118.690° 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 0.2 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
66°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc33021 (also filed as ci55513). Read Sat, Oct 3, 2026, 4:38 AM UTC.