California earthquakes

M3.1 earthquake 8km SE of Oceano, CA

A magnitude 3.1 earthquake struck 8km SE of Oceano, CA on Mon, Sep 27, 1982, 4:55 PM PDT (23:55 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 11km ESE of Santa Maria, CA. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
3.1 (mc), minor
Local time
UTC
1982-09-27 23:55:38 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
35.047° N, 120.560° 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.

Depth from
Operator assigned
Station coverage gap
265°, poorly surrounded by stations
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 3.311km ESE of Santa Maria, CA · 16067 days ago · 5 km deep · 27 km away
  2. 2.924 km S of Kettleman City, California · 16067 days ago · 9 km deep · 97 km away
  3. 1.710 km NNE of Cayucos, California · 16067 days ago · 6 km deep · 60 km away
  4. 2.321 km WSW of Guadalupe, California · 16056 days ago · 0 km deep · 25 km away
  5. 2.85km SSE of Santa Maria, CA · 16055 days ago · 5 km deep · 20 km away
  6. 2.510km SE of Santa Ynez, CA · 16044 days ago · -1 km deep · 75 km away
  7. 2.012km N of Goleta, CA · 16044 days ago · 10 km deep · 87 km away
  8. 2.514km N of Simmler, CA · 16038 days ago · 5 km deep · 69 km away
  9. 2.08 km SW of Templeton, California · 16037 days ago · 0 km deep · 54 km away
  10. 1.611 km NNE of Cambria, California · 16037 days ago · 6 km deep · 79 km away
  11. 3.157km WSW of Vandenberg Air Force Base, CA · 16030 days ago · 5 km deep · 77 km away
  12. 2.83km WSW of Orcutt, CA · 16027 days ago · 5 km deep · 23 km away
  13. 1.612 km E of Edna, California · 16025 days ago · 7 km deep · 21 km away
  14. 2.04 km WNW of Parkfield, California · 16022 days ago · 6 km deep · 98 km away
  15. 1.911 km WNW of San Simeon, California · 16021 days ago · 10 km deep · 99 km away
  16. 3.09 km SSE of Santa Margarita, California · 16021 days ago · 8 km deep · 30 km away
  17. 2.116 km W of Guadalupe, California · 16020 days ago · 1 km deep · 19 km away
  18. 1.810 km WSW of Cambria, California · 16011 days ago · 5 km deep · 78 km away
  19. 1.89 km W of Guadalupe, California · 16010 days ago · 8 km deep · 13 km away
  20. 2.416 km W of Guadalupe, California · 16010 days ago · 0 km deep · 20 km away

Before

  1. 1.713km ENE of Santa Maria, CA · 16067 days ago · 5 km deep · 25 km away
  2. 2.424 km S of Kettleman City, California · 16069 days ago · 10 km deep · 97 km away
  3. 1.724 km S of Kettleman City, California · 16069 days ago · 11 km deep · 96 km away
  4. 3.311km ENE of Orcutt, CA · 16069 days ago · 5 km deep · 28 km away
  5. 3.34km ENE of Orcutt, CA · 16071 days ago · 5 km deep · 25 km away
  6. 3.110km ENE of Orcutt, CA · 16071 days ago · 5 km deep · 25 km away
  7. 3.09km ENE of Orcutt, CA · 16071 days ago · 5 km deep · 25 km away
  8. 2.017km N of Los Alamos, CA · 16071 days ago · 5 km deep · 33 km away
  9. 2.14km WNW of Orcutt, CA · 16071 days ago · 5 km deep · 20 km away
  10. 3.414km SW of Vandenberg Air Force Base, CA · 16071 days ago · 5 km deep · 44 km away
  11. 3.34km N of Orcutt, CA · 16071 days ago · 5 km deep · 19 km away
  12. 3.86km ENE of Orcutt, CA · 16071 days ago · 5 km deep · 25 km away
  13. 3.24km ESE of Goleta, CA · 16073 days ago · 7 km deep · 99 km away
  14. 1.99 km SSW of Oak Shores, California · 16087 days ago · 5 km deep · 84 km away
  15. 1.810 km WNW of Oak Shores, California · 16092 days ago · 8 km deep · 97 km away
  16. 3.16km SW of Orcutt, CA · 16094 days ago · 5 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci508313. Read Thu, Sep 24, 2026, 3:48 AM UTC.