California earthquakes

M1.6 earthquake 2km WNW of Echo Park, CA

A magnitude 1.6 earthquake struck 2km WNW of Echo Park, CA on Tue, Dec 31, 1935, 10:13 AM GMT-8 (18:13 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.7 1km WSW of Grand Terrace, 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 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1935-12-31 18:13:40 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.078° N, 118.277° 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 20.2 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.17
Depth from
Operator assigned
Station coverage gap
360°, poorly surrounded by stations
Stations used
2

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 17 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3363384. Read Mon, Oct 5, 2026, 7:18 AM UTC.