California earthquakes

M1.5 earthquake 2 km SSW of Edna, California

A magnitude 1.5 earthquake struck 2 km SSW of Edna, California on Sun, Mar 21, 1982, 2:36 AM PST (10:36 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.8 4km SSE 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
1.5 (md), micro
Local time
UTC
1982-03-21 10:36:57 UTC
Depth
3.9 km (2.4 mi), shallow
Epicenter
35.186° N, 120.618° 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, 2.3 km in depth
Magnitude uncertainty
±0.02
Depth from
From location
Station coverage gap
119°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 2.956km WSW of Lompoc, CA · 16261 days ago · 5 km deep · 95 km away
  2. 1.511 km NNE of Cambria, California · 16260 days ago · 5 km deep · 65 km away
  3. 1.615 km NW of Parkfield, California · 16259 days ago · 5 km deep · 91 km away
  4. 2.110 km W of Avila Beach, California · 16250 days ago · 0 km deep · 21 km away
  5. 2.312 km NE of San Miguel, California · 16248 days ago · 11 km deep · 72 km away
  6. 2.012 km NE of San Miguel, California · 16248 days ago · 14 km deep · 72 km away
  7. 2.021 km NW of Parkfield, California · 16247 days ago · 0 km deep · 95 km away
  8. 2.27 km NW of San Luis Obispo, California · 16247 days ago · 12 km deep · 18 km away
  9. 1.711 km WNW of Oak Shores, California · 16245 days ago · 7 km deep · 82 km away
  10. 2.824 km NW of San Simeon, California · 16241 days ago · 0 km deep · 97 km away
  11. 1.63 km SE of San Ardo, California · 16234 days ago · 9 km deep · 94 km away
  12. 1.825 km NW of San Simeon, California · 16229 days ago · 6 km deep · 98 km away
  13. 1.913 km W of Oak Shores, California · 16224 days ago · 5 km deep · 81 km away
  14. 3.84km SSE of Santa Maria, CA · 16223 days ago · 5 km deep · 35 km away
  15. 2.24km SW of Santa Maria, CA · 16221 days ago · 5 km deep · 32 km away
  16. 2.24km W of Orcutt, CA · 16216 days ago · 5 km deep · 38 km away
  17. 3.16 km W of Paso Robles, California · 16216 days ago · 6 km deep · 51 km away
  18. 2.26 km W of Paso Robles, California · 16215 days ago · 5 km deep · 52 km away
  19. 1.725 km WNW of Lost Hills, California · 16215 days ago · 1 km deep · 88 km away
  20. 1.87 km W of Paso Robles, California · 16215 days ago · 5 km deep · 50 km away
  21. 2.113 km SSW of Lockwood, California · 16208 days ago · 7 km deep · 85 km away
  22. 1.618 km NW of Parkfield, California · 16206 days ago · 2 km deep · 92 km away

Before

  1. 2.225 km ENE of San Ardo, California · 16264 days ago · 2 km deep · 98 km away
  2. 1.813 km NW of Parkfield, California · 16269 days ago · 4 km deep · 89 km away
  3. 3.52 km WSW of Edna, California · 16270 days ago · 0 km deep · 2 km away
  4. 2.225 km ENE of San Ardo, California · 16272 days ago · 2 km deep · 98 km away
  5. 2.21 km N of Grover Beach, California · 16273 days ago · 7 km deep · 6 km away
  6. 2.632km WSW of Vandenberg Air Force Base, CA · 16273 days ago · 5 km deep · 64 km away
  7. 2.215 km NW of Parkfield, CA · 16280 days ago · 6 km deep · 90 km away
  8. 2.58km N of Vandenberg Air Force Base, CA · 16283 days ago · 5 km deep · 42 km away
  9. 2.123km NNW of Simmler, CA · 16283 days ago · 5 km deep · 60 km away
  10. 2.19 km WSW of Atascadero, California · 16283 days ago · 5 km deep · 35 km away
  11. 2.924km NNW of Simmler, CA · 16283 days ago · 5 km deep · 58 km away
  12. 1.632 km SE of Shandon, California · 16283 days ago · 4 km deep · 57 km away
  13. 1.914 km NW of Parkfield, California · 16285 days ago · 5 km deep · 90 km away
  14. 1.915 km NW of Parkfield, California · 16286 days ago · 5 km deep · 90 km away
  15. 2.116 km NW of Parkfield, California · 16287 days ago · 4 km deep · 91 km away
  16. 1.927 km NW of San Simeon, California · 16288 days ago · 3 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1073076. Read Tue, Sep 29, 2026, 11:52 AM UTC.