California earthquakes

M1.6 earthquake 25km SSW of Los Banos, CA

A magnitude 1.6 earthquake struck 25km SSW of Los Banos, CA on Fri, Apr 30, 2021, 3:11 AM PDT (10:11 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.6 11km WSW of Huron, CA. This one was a foreshock.

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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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-04-30 10:11:11 UTC
Depth
9.6 km (5.9 mi), shallow
Epicenter
36.844° N, 120.938° 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 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
76°
Stations used
38

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 66 in the 30 days before it.

After

The first 60 of 139.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73556450. Read Sun, Oct 4, 2026, 8:06 AM UTC.