California earthquakes

M3.4 earthquake 14km SSW of Carpinteria, CA

A magnitude 3.4 earthquake struck 14km SSW of Carpinteria, CA on Wed, Jul 31, 1968, 5:19 AM GMT-7 (12:19 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.8 20km SSW of Carpinteria, 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
3.4 (ml), minor
Local time
UTC
1968-07-31 12:19:44 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
34.286° N, 119.584° 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 1.5 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
161°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 37 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3328648. Read Tue, Sep 22, 2026, 9:14 AM UTC.