California earthquakes

M2.1 earthquake 11 km SW of Cayucos, California

A magnitude 2.1 earthquake struck 11 km SW of Cayucos, California on Sun, Jul 25, 1982, 9:44 AM PDT (16:44 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.1 23 km NE of San Ardo, California. This one was a foreshock.

Cayucos 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
2.1 (md), micro
Local time
UTC
1982-07-25 16:44:17 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
35.379° N, 120.999° 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 0.9 km horizontally, 4.4 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
206°, poorly surrounded by stations
Stations used
22

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 13 in the 30 days before it.

After

  1. 1.69 km W of Oak Shores, California · 16128 days ago · 3 km deep · 44 km away
  2. 2.021 km NW of Parkfield, California · 16123 days ago · 4 km deep · 82 km away
  3. 1.621 km NW of Parkfield, California · 16123 days ago · 3 km deep · 82 km away
  4. 2.021 km NW of Parkfield, California · 16122 days ago · 5 km deep · 82 km away
  5. 2.012 km WNW of Oak Shores, California · 16122 days ago · 5 km deep · 50 km away
  6. 1.65 km W of Paso Robles, California · 16119 days ago · 6 km deep · 36 km away
  7. 1.522 km ENE of San Lucas, California · 16117 days ago · 5 km deep · 97 km away
  8. 2.122 km ENE of San Ardo, California · 16114 days ago · -1 km deep · 86 km away
  9. 1.623 km ENE of San Ardo, California · 16108 days ago · 4 km deep · 86 km away
  10. 2.12 km SE of San Ardo, California · 16106 days ago · 11 km deep · 71 km away
  11. 1.910 km NW of Parkfield, California · 16104 days ago · 8 km deep · 79 km away
  12. 3.123 km NE of San Ardo, California · 16102 days ago · 7 km deep · 94 km away
  13. 2.223 km NE of San Ardo, California · 16102 days ago · 6 km deep · 93 km away
  14. 1.716 km NW of Parkfield, California · 16101 days ago · 5 km deep · 80 km away
  15. 3.16km SW of Orcutt, CA · 16093 days ago · 5 km deep · 78 km away
  16. 1.810 km WNW of Oak Shores, California · 16091 days ago · 8 km deep · 48 km away
  17. 1.627 km SE of Big Sur, California · 16087 days ago · 7 km deep · 97 km away
  18. 1.99 km SSW of Oak Shores, California · 16086 days ago · 5 km deep · 35 km away
  19. 1.52 km SE of San Ardo, California · 16078 days ago · 11 km deep · 70 km away
  20. 2.423 km NW of Parkfield, California · 16076 days ago · 7 km deep · 83 km away

Before

  1. 1.68 km WSW of Cayucos, California · 16131 days ago · 4 km deep · 3 km away
  2. 1.721 km NW of Parkfield, California · 16133 days ago · 3 km deep · 82 km away
  3. 1.54 km SSE of San Ardo, California · 16136 days ago · 9 km deep · 68 km away
  4. 1.619 km NW of Parkfield, California · 16138 days ago · 4 km deep · 81 km away
  5. 1.922 km NE of San Ardo, California · 16143 days ago · 1 km deep · 93 km away
  6. 1.925 km WSW of Lockwood, California · 16145 days ago · 6 km deep · 63 km away
  7. 2.414 km NNE of Shandon, California · 16146 days ago · 8 km deep · 75 km away
  8. 1.733 km W of Lockwood, California · 16154 days ago · 16 km deep · 80 km away
  9. 1.823 km NE of San Ardo, California · 16156 days ago · 6 km deep · 93 km away
  10. 1.710 km NW of Parkfield, California · 16157 days ago · 8 km deep · 78 km away
  11. 3.310 km NW of Parkfield, California · 16159 days ago · 9 km deep · 79 km away
  12. 2.510 km NW of Parkfield, California · 16159 days ago · 8 km deep · 79 km away
  13. 1.810 km NW of Parkfield, California · 16160 days ago · 6 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1076582 (also filed as ci505712). Read Wed, Sep 23, 2026, 3:21 AM UTC.