California earthquakes

M2.9 earthquake 24km NNW of Simmler, CA

A magnitude 2.9 earthquake struck 24km NNW of Simmler, CA on Mon, Mar 1, 1982, 4:42 AM PST (12:42 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 2 km WSW of Edna, California. This one was a foreshock.

Shandon 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
2.9 (mh), micro
Local time
UTC
1982-03-01 12:42:21 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
35.534° N, 120.144° 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
311°, 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: 35 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 2.19 km WSW of Atascadero, California · 16276 days ago · 5 km deep · 57 km away
  2. 2.123km NNW of Simmler, CA · 16276 days ago · 5 km deep · 3 km away
  3. 2.58km N of Vandenberg Air Force Base, CA · 16276 days ago · 5 km deep · 86 km away
  4. 2.215 km NW of Parkfield, CA · 16274 days ago · 6 km deep · 63 km away
  5. 2.721 km SW of Three Rocks, California · 16272 days ago · 14 km deep · 100 km away
  6. 1.920km ENE of Maricopa, CA · 16270 days ago · 5 km deep · 97 km away
  7. 2.21 km N of Grover Beach, California · 16266 days ago · 7 km deep · 62 km away
  8. 2.225 km ENE of San Ardo, California · 16265 days ago · 2 km deep · 74 km away
  9. 3.52 km WSW of Edna, California · 16263 days ago · 0 km deep · 59 km away
  10. 1.813 km NW of Parkfield, California · 16262 days ago · 4 km deep · 61 km away
  11. 1.713 km ESE of Coalinga, California · 16260 days ago · 3 km deep · 64 km away
  12. 2.225 km ENE of San Ardo, California · 16257 days ago · 2 km deep · 74 km away
  13. 1.52 km SSW of Edna, California · 16256 days ago · 4 km deep · 58 km away
  14. 1.511 km NNE of Cambria, California · 16253 days ago · 5 km deep · 82 km away
  15. 1.615 km NW of Parkfield, California · 16252 days ago · 5 km deep · 63 km away
  16. 1.624 km ENE of San Lucas, California · 16246 days ago · 9 km deep · 98 km away
  17. 2.312 km E of Kettleman City, California · 16244 days ago · 14 km deep · 60 km away
  18. 2.96 km WSW of Coalinga, California · 16243 days ago · 7 km deep · 70 km away
  19. 2.110 km W of Avila Beach, California · 16243 days ago · 0 km deep · 76 km away
  20. 2.212km SSE of Maricopa, CA · 16242 days ago · 0 km deep · 97 km away
  21. 2.214km SE of Maricopa, CA · 16242 days ago · 5 km deep · 99 km away
  22. 1.513 km SSE of Three Rocks, California · 16242 days ago · 0 km deep · 97 km away
  23. 2.312 km NE of San Miguel, California · 16241 days ago · 11 km deep · 53 km away
  24. 2.012 km NE of San Miguel, California · 16241 days ago · 14 km deep · 53 km away
  25. 2.021 km NW of Parkfield, California · 16240 days ago · 0 km deep · 70 km away
  26. 2.27 km NW of San Luis Obispo, California · 16240 days ago · 12 km deep · 57 km away
  27. 1.711 km WNW of Oak Shores, California · 16238 days ago · 7 km deep · 91 km away
  28. 1.63 km SE of San Ardo, California · 16227 days ago · 9 km deep · 84 km away
  29. 2.313 km ESE of Kettleman City, California · 16227 days ago · 19 km deep · 57 km away
  30. 2.011 km N of Coalinga, California · 16227 days ago · 10 km deep · 81 km away
  31. 3.17km SE of Maricopa, CA · 16225 days ago · 5 km deep · 93 km away
  32. 1.723 km NE of San Ardo, California · 16221 days ago · 7 km deep · 91 km away
  33. 2.32 km WSW of Kettleman City, California · 16218 days ago · 0 km deep · 54 km away
  34. 1.913 km W of Oak Shores, California · 16217 days ago · 5 km deep · 93 km away
  35. 3.84km SSE of Santa Maria, CA · 16216 days ago · 5 km deep · 73 km away

Before

  1. 1.632 km SE of Shandon, California · 16276 days ago · 4 km deep · 8 km away
  2. 1.914 km NW of Parkfield, California · 16278 days ago · 5 km deep · 63 km away
  3. 1.915 km NW of Parkfield, California · 16279 days ago · 5 km deep · 64 km away
  4. 2.116 km NW of Parkfield, California · 16280 days ago · 4 km deep · 64 km away
  5. 1.622 km NE of San Ardo, California · 16286 days ago · 2 km deep · 87 km away
  6. 1.713 km W of Templeton, California · 16287 days ago · 5 km deep · 64 km away
  7. 2.313 km W of Templeton, California · 16287 days ago · 4 km deep · 64 km away
  8. 1.620 km NW of Parkfield, California · 16290 days ago · 4 km deep · 69 km away
  9. 1.519 km NW of Parkfield, California · 16291 days ago · 4 km deep · 67 km away
  10. 1.922 km ENE of San Lucas, California · 16292 days ago · 6 km deep · 99 km away
  11. 2.23 km SSW of Morro Bay, California · 16293 days ago · 5 km deep · 69 km away
  12. 1.625 km ENE of San Ardo, California · 16294 days ago · 3 km deep · 79 km away
  13. 2.017 km NW of Parkfield, California · 16294 days ago · 5 km deep · 66 km away
  14. 1.922 km SSE of Avenal, California · 16296 days ago · 8 km deep · 31 km away
  15. 1.623 km NW of Parkfield, California · 16297 days ago · 3 km deep · 72 km away
  16. 2.06 km SE of Los Osos, California · 16300 days ago · 3 km deep · 65 km away
  17. 2.020km ENE of Taft, CA · 16301 days ago · 5 km deep · 90 km away
  18. 1.620 km NW of Parkfield, California · 16301 days ago · 2 km deep · 68 km away
  19. 2.02 km SSE of San Ardo, California · 16302 days ago · 13 km deep · 85 km away
  20. 1.89 km WNW of Huron, California · 16304 days ago · 10 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3008993. Read Tue, Sep 22, 2026, 12:19 PM UTC.