California earthquakes

M2.5 earthquake 27 km NE of Soledad, California

A magnitude 2.5 earthquake struck 27 km NE of Soledad, California on Sat, May 17, 1975, 1:57 PM PDT (20:57 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.3 7 km SSE of Gustine, California. This one was a foreshock.

Soledad forecastMore in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1975-05-17 20:57:00 UTC
Depth
10.7 km (6.7 mi), shallow
Epicenter
36.581° N, 121.091° 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
±0.29
Depth from
From location
Station coverage gap
55°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 164 in the 30 days before it.

After

The first 60 of 193.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1023908. Read Thu, Oct 1, 2026, 10:59 PM UTC.