California earthquakes

M2.1 earthquake 7km SW of Santa Barbara, CA

A magnitude 2.1 earthquake struck 7km SW of Santa Barbara, CA on Tue, Sep 5, 1978, 1:19 PM PDT (20:19 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.5 6km SW of Santa Barbara, 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
2.1 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-09-05 20:19:51 UTC
Depth
10.7 km (6.7 mi), shallow
Epicenter
34.369° N, 119.747° 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 0.8 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
71°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 199 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3341621. Read Sat, Oct 3, 2026, 5:12 AM UTC.