California earthquakes

M2.7 earthquake 156 km WSW of Crescent City, California

A magnitude 2.7 earthquake struck 156 km WSW of Crescent City, California on Thu, Oct 7, 2021, 12:53 AM PDT (07:53 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.1 94km W of Trinidad, CA. This one was a foreshock.

Crescent City forecast More in California

Map

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

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The earthquake

Magnitude: 2.7 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Thu, Oct 7, 2021, 12:53 AM PDT
UTC: 2021-10-07 07:53:46 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 41.409° N, 126.020° W
Region: California
Felt reports: 2
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 7.7 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 272°, poorly surrounded by stations
Stations used: 20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 0 in the 30 days before it.

After

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fsjs. Read Mon, Oct 5, 2026, 5:38 AM UTC.