California earthquakes

M2.7 earthquake 11 km NE of Miranda, California

A magnitude 2.7 earthquake struck 11 km NE of Miranda, California on Fri, Feb 10, 1978, 8:29 PM PST (04:29 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M3.9 20 km SSW of Scotia, California. This one was a foreshock.

Miranda forecastMore in California

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

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The earthquake

Magnitude
2.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1978-02-11 04:29:54 UTC
Depth
29.8 km (18.5 mi), shallow
Epicenter
40.301° N, 123.714° 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 1.9 km horizontally, 1.5 km in depth
Depth from
From location
Station coverage gap
284°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 49 in the 30 days before it.

After

The first 60 of 139.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1038909. Read Thu, Oct 1, 2026, 3:24 PM UTC.