California earthquakes

M1.8 earthquake 21 km NNE of Soledad, California

A magnitude 1.8 earthquake struck 21 km NNE of Soledad, California on Sun, Feb 28, 1982, 12:05 PM PST (20:05 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.3 8 km NE of Hollister, California. 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
1.8 (md), micro
Local time
UTC
1982-02-28 20:05:04 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
36.598° N, 121.207° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
37°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 131 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 2.38 km NE of Hollister, California · 16276 days ago · 2 km deep · 35 km away
  2. 1.88 km NE of Hollister, California · 16276 days ago · 1 km deep · 35 km away
  3. 1.98 km ENE of Morgan Hill, California · 16275 days ago · 2 km deep · 69 km away
  4. 1.924 km NE of Greenfield, California · 16275 days ago · 5 km deep · 19 km away
  5. 1.737 km WNW of San Simeon, California · 16275 days ago · 3 km deep · 95 km away
  6. 1.62 km W of San Juan Bautista, California · 16274 days ago · 6 km deep · 42 km away
  7. 2.215 km NW of Parkfield, CA · 16274 days ago · 6 km deep · 89 km away
  8. 2.18 km S of Merced, California · 16273 days ago · 11 km deep · 95 km away
  9. 3.119 km SSE of Tres Pinos, California · 16273 days ago · 7 km deep · 5 km away
  10. 1.719 km SE of Tres Pinos, California · 16272 days ago · 6 km deep · 11 km away
  11. 2.721 km SW of Three Rocks, California · 16272 days ago · 14 km deep · 63 km away
  12. 1.85 km SW of Gilroy, California · 16272 days ago · 7 km deep · 55 km away
  13. 2.29 km SW of Ridgemark, California · 16272 days ago · 6 km deep · 26 km away
  14. 3.08 km ENE of Gilroy, California · 16271 days ago · 8 km deep · 55 km away
  15. 2.26 km W of Merced, California · 16271 days ago · 5 km deep · 97 km away
  16. 2.2Central California · 16270 days ago · 5 km deep · 13 km away
  17. 2.55 km SW of Gilroy, California · 16270 days ago · 4 km deep · 55 km away
  18. 2.712 km NNE of Tres Pinos, California · 16269 days ago · 6 km deep · 32 km away
  19. 1.68 km WSW of Three Rocks, California · 16269 days ago · 9 km deep · 67 km away
  20. 2.84 km SE of Aromas, California · 16269 days ago · 6 km deep · 46 km away
  21. 1.66 km N of San Juan Bautista, California · 16269 days ago · 5 km deep · 46 km away
  22. 1.623 km ENE of King City, California · 16268 days ago · 3 km deep · 42 km away
  23. 1.614 km S of Tres Pinos, California · 16267 days ago · 8 km deep · 11 km away
  24. 1.86 km NNW of Hollister, California · 16266 days ago · 4 km deep · 40 km away
  25. 2.225 km ENE of San Ardo, California · 16265 days ago · 2 km deep · 78 km away
  26. 2.98 km ENE of San Martin, California · 16265 days ago · 8 km deep · 64 km away
  27. 2.03 km WSW of San Juan Bautista, California · 16264 days ago · 7 km deep · 42 km away
  28. 1.79 km NE of Big Sur, California · 16263 days ago · 4 km deep · 55 km away
  29. 2.08 km ESE of East Foothills, California · 16263 days ago · 8 km deep · 96 km away
  30. 2.58 km ESE of East Foothills, California · 16263 days ago · 8 km deep · 96 km away
  31. 1.928 km ENE of Soledad, California · 16263 days ago · 7 km deep · 15 km away
  32. 1.813 km NW of Parkfield, California · 16262 days ago · 4 km deep · 91 km away
  33. 2.124 km ENE of Soledad, California · 16262 days ago · 4 km deep · 16 km away
  34. 1.58 km NE of San Martin, California · 16261 days ago · 7 km deep · 66 km away
  35. 1.725 km ENE of Greenfield, California · 16261 days ago · 1 km deep · 26 km away
  36. 1.725 km ENE of Greenfield, California · 16261 days ago · 1 km deep · 26 km away
  37. 1.814 km SSE of Big Sur, California · 16261 days ago · 18 km deep · 69 km away
  38. 1.925 km ENE of Greenfield, California · 16261 days ago · 1 km deep · 26 km away
  39. 2.114 km E of Seven Trees, California · 16260 days ago · 2 km deep · 87 km away
  40. 1.99 km NE of Gilroy, California · 16260 days ago · 9 km deep · 57 km away
  41. 2.68 km ENE of Morgan Hill, California · 16260 days ago · 3 km deep · 70 km away
  42. 1.914 km SSE of Tres Pinos, California · 16259 days ago · 4 km deep · 10 km away
  43. 1.74 km NE of Interlaken, California · 16258 days ago · 6 km deep · 61 km away
  44. 1.85 km SW of Gilroy, California · 16258 days ago · 8 km deep · 56 km away
  45. 2.225 km ENE of San Ardo, California · 16257 days ago · 2 km deep · 78 km away
  46. 1.611 km N of Morgan Hill, California · 16256 days ago · 7 km deep · 80 km away
  47. 2.34 km NE of Hollister, California · 16256 days ago · 7 km deep · 34 km away
  48. 2.020 km NNE of Morgan Hill, California · 16256 days ago · 7 km deep · 86 km away
  49. 1.85 km SSE of San Juan Bautista, California · 16256 days ago · 6 km deep · 36 km away
  50. 2.524 km NE of King City, California · 16254 days ago · 6 km deep · 33 km away
  51. 2.03 km SW of San Juan Bautista, California · 16254 days ago · 9 km deep · 41 km away
  52. 2.423 km NE of San Lucas, California · 16253 days ago · 6 km deep · 49 km away
  53. 3.021 km NE of Soledad, California · 16253 days ago · 2 km deep · 6 km away
  54. 1.615 km NW of Parkfield, California · 16252 days ago · 5 km deep · 89 km away
  55. 2.54 km NE of Interlaken, California · 16251 days ago · 7 km deep · 62 km away
  56. 2.64 km NE of Interlaken, California · 16251 days ago · 7 km deep · 61 km away
  57. 2.124 km NE of Greenfield, California · 16251 days ago · 5 km deep · 20 km away
  58. 2.021 km NE of Soledad, California · 16251 days ago · 6 km deep · 7 km away
  59. 2.75 km N of Morgan Hill, California · 16251 days ago · 6 km deep · 76 km away
  60. 2.99 km NNE of San Juan Bautista, California · 16250 days ago · 4 km deep · 45 km away

The first 60 of 131.

Before

  1. 1.626 km ENE of Greenfield, California · 16277 days ago · 1 km deep · 25 km away
  2. 2.05 km SW of Gilroy, California · 16278 days ago · 4 km deep · 55 km away
  3. 1.95 km SW of Gilroy, California · 16278 days ago · 4 km deep · 55 km away
  4. 1.914 km NW of Parkfield, California · 16278 days ago · 5 km deep · 89 km away
  5. 2.38 km S of Merced, California · 16278 days ago · 12 km deep · 95 km away
  6. 2.12 km S of San Juan Bautista, California · 16279 days ago · 5 km deep · 39 km away
  7. 1.89 km NNE of Morgan Hill, California · 16279 days ago · 4 km deep · 76 km away
  8. 1.915 km NW of Parkfield, California · 16279 days ago · 5 km deep · 88 km away
  9. 2.315 km E of Seven Trees, California · 16280 days ago · 5 km deep · 87 km away
  10. 2.116 km NW of Parkfield, California · 16280 days ago · 4 km deep · 88 km away
  11. 2.231 km ENE of Soledad, California · 16281 days ago · 6 km deep · 18 km away
  12. 1.927 km NW of San Simeon, California · 16281 days ago · 3 km deep · 87 km away
  13. 1.521 km NE of Soledad, California · 16281 days ago · 2 km deep · 3 km away
  14. 2.025 km NE of Greenfield, California · 16282 days ago · 9 km deep · 24 km away
  15. 1.515 km N of Morgan Hill, California · 16282 days ago · 5 km deep · 84 km away
  16. 1.65 km S of Gilroy, California · 16282 days ago · 6 km deep · 52 km away
  17. 1.58 km E of San Martin, California · 16283 days ago · 6 km deep · 62 km away
  18. 1.729 km SE of Big Sur, California · 16283 days ago · 12 km deep · 66 km away
  19. 2.07 km ESE of East Foothills, California · 16283 days ago · 5 km deep · 97 km away
  20. 1.79 km NE of San Juan Bautista, California · 16283 days ago · 7 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072517. Read Tue, Sep 22, 2026, 3:25 PM UTC.