California earthquakes

M2.8 earthquake 21km SSW of Carpinteria, CA

A magnitude 2.8 earthquake struck 21km SSW of Carpinteria, CA on Tue, Sep 9, 1941, 5:44 AM GMT-8 (13:44 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.9 21km S of Santa Barbara, CA. This one was a foreshock.

Summerland forecastMore in California

Map

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

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The earthquake

Magnitude
2.8 (ml), micro
Local time
UTC
1941-09-09 13:44:45 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.239° N, 119.638° 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 3.5 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
107°
Stations used
3

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 3.921km S of Santa Barbara, CA · 31055 days ago · 6 km deep · 4 km away
  2. 2.923km NW of Santa Cruz Is. (E end), CA · 31055 days ago · 6 km deep · 5 km away
  3. 4.217km NW of Santa Cruz Is. (E end), CA · 31054 days ago · 6 km deep · 10 km away
  4. 3.217km NW of Santa Cruz Is. (E end), CA · 31054 days ago · 6 km deep · 9 km away
  5. 3.117km NW of Santa Cruz Is. (E end), CA · 31054 days ago · 6 km deep · 10 km away
  6. 3.018km S of Carpinteria, CA · 31053 days ago · 6 km deep · 9 km away
  7. 5.12km NNE of Frazier Park, CA · 31047 days ago · 6 km deep · 93 km away
  8. 2.86km SSW of Grapevine, CA · 31047 days ago · 6 km deep · 97 km away
  9. 2.72km NE of Frazier Park, CA · 31047 days ago · 6 km deep · 92 km away
  10. 2.73km SW of Lebec, CA · 31047 days ago · 6 km deep · 95 km away
  11. 3.820km NNW of Santa Cruz Is. (E end), CA · 31044 days ago · 6 km deep · 5 km away
  12. 2.722km NE of Santa Cruz Is. (NW end), CA · 31044 days ago · 6 km deep · 10 km away
  13. 2.916km S of Maricopa, CA · 31039 days ago · 6 km deep · 78 km away
  14. 2.90km N of Carpinteria, CA · 31031 days ago · 6 km deep · 21 km away
  15. 3.318km SSE of Santa Barbara, CA · 31019 days ago · 6 km deep · 3 km away

Before

  1. 3.425km S of Santa Barbara, CA · 31060 days ago · 6 km deep · 7 km away
  2. 3.420km S of Santa Barbara, CA · 31061 days ago · 6 km deep · 8 km away
  3. 3.817km NW of Santa Cruz Is. (E end), CA · 31061 days ago · 6 km deep · 10 km away
  4. 4.411km S of Santa Barbara, CA · 31061 days ago · 18 km deep · 10 km away
  5. 3.023km NW of San Miguel Is., CA · 31071 days ago · 6 km deep · 82 km away
  6. 2.918km SSW of Carpinteria, CA · 31072 days ago · 0 km deep · 4 km away
  7. 3.318km SSW of Carpinteria, CA · 31075 days ago · 12 km deep · 4 km away
  8. 2.918km NNW of Santa Cruz Is. (E end), CA · 31081 days ago · 6 km deep · 9 km away
  9. 3.220km NW of Santa Cruz Is. (E end), CA · 31087 days ago · 6 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3365735. Read Tue, Sep 22, 2026, 10:26 PM UTC.