California earthquakes

M1.8 earthquake Central California

A magnitude 1.8 earthquake struck in Central California on Wed, Feb 28, 1979, 5:59 PM PST (01:59 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.6 15 km ESE of Tres Pinos, California. This one was a foreshock.

Soledad 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
1.8 (md), micro
Local time
UTC
1979-03-01 01:59:31 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
36.585° N, 121.188° 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, 0.6 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
56°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 123 in the 60 days after this one and 76 in the 30 days before it.

After

  1. 2.221 km NE of Soledad, California · 17381 days ago · 6 km deep · 0 km away
  2. 1.821 km NE of Soledad, California · 17381 days ago · 6 km deep · 0 km away
  3. 2.010 km N of San Simeon, California · 17380 days ago · 8 km deep · 94 km away
  4. 1.924 km NE of Greenfield, California · 17379 days ago · 5 km deep · 16 km away
  5. 2.225 km SE of Tres Pinos, California · 17379 days ago · 12 km deep · 10 km away
  6. 2.421 km WSW of Three Rocks, California · 17378 days ago · 14 km deep · 53 km away
  7. 1.96 km SE of Tres Pinos, California · 17378 days ago · 10 km deep · 20 km away
  8. 2.128 km SW of South Dos Palos, California · 17378 days ago · 3 km deep · 35 km away
  9. 1.723 km NNE of San Lucas, California · 17377 days ago · 3 km deep · 40 km away
  10. 2.913 km SSE of Tres Pinos, California · 17377 days ago · 2 km deep · 13 km away
  11. 2.923 km WSW of Three Rocks, California · 17376 days ago · 8 km deep · 51 km away
  12. 2.121 km NNE of Soledad, California · 17376 days ago · 8 km deep · 2 km away
  13. 2.57 km N of Interlaken, California · 17376 days ago · 9 km deep · 68 km away
  14. 1.615 km SSE of Tres Pinos, California · 17375 days ago · 3 km deep · 11 km away
  15. 2.124 km NE of Soledad, California · 17374 days ago · 8 km deep · 6 km away
  16. 1.630 km SW of South Dos Palos, California · 17374 days ago · 5 km deep · 34 km away
  17. 2.18 km SE of Seven Trees, California · 17373 days ago · 3 km deep · 89 km away
  18. 1.828 km NE of Soledad, California · 17372 days ago · 7 km deep · 8 km away
  19. 2.722 km ENE of Soledad, California · 17372 days ago · 4 km deep · 11 km away
  20. 1.923 km NE of Soledad, California · 17371 days ago · 9 km deep · 5 km away
  21. 1.65 km SSW of Tres Pinos, California · 17370 days ago · 4 km deep · 23 km away
  22. 2.05 km SSW of Tres Pinos, California · 17370 days ago · 4 km deep · 23 km away
  23. 1.724 km NE of Soledad, California · 17370 days ago · 9 km deep · 6 km away
  24. 2.736 km ENE of Greenfield, California · 17369 days ago · 16 km deep · 27 km away
  25. 2.521 km NE of Soledad, California · 17369 days ago · 6 km deep · 3 km away
  26. 2.024 km ENE of Soledad, California · 17369 days ago · 8 km deep · 11 km away
  27. 1.724 km ENE of Soledad, California · 17369 days ago · 8 km deep · 11 km away
  28. 1.6Central California · 17367 days ago · 7 km deep · 43 km away
  29. 2.016 km SSE of Diablo Grande, California · 17367 days ago · 2 km deep · 74 km away
  30. 1.621 km NE of Soledad, California · 17367 days ago · 3 km deep · 4 km away
  31. 2.321 km NE of Soledad, California · 17366 days ago · 6 km deep · 3 km away
  32. 3.230 km SE of Tres Pinos, California · 17366 days ago · 10 km deep · 12 km away
  33. 3.230 km NE of Soledad, California · 17366 days ago · 21 km deep · 12 km away
  34. 1.917 km SSE of Tres Pinos, California · 17366 days ago · 5 km deep · 9 km away
  35. 1.85 km WSW of Gilroy, California · 17366 days ago · 5 km deep · 59 km away
  36. 3.216 km SSE of Tres Pinos, California · 17365 days ago · 3 km deep · 10 km away
  37. 3.615 km ESE of Tres Pinos, California · 17365 days ago · 11 km deep · 16 km away
  38. 2.122 km ENE of Soledad, California · 17365 days ago · 2 km deep · 9 km away
  39. 1.824 km ENE of Greenfield, California · 17363 days ago · 7 km deep · 27 km away
  40. 1.623 km NE of Soledad, California · 17362 days ago · 8 km deep · 6 km away
  41. 2.821 km NE of Soledad, California · 17362 days ago · 3 km deep · 2 km away
  42. 2.621 km NE of Soledad, California · 17362 days ago · 3 km deep · 2 km away
  43. 2.121 km NE of Soledad, California · 17362 days ago · 3 km deep · 3 km away
  44. 1.923 km NE of San Ardo, California · 17361 days ago · 4 km deep · 60 km away
  45. 2.88 km ENE of San Martin, California · 17360 days ago · 8 km deep · 66 km away
  46. 1.923 km NE of Soledad, California · 17360 days ago · 9 km deep · 6 km away
  47. 2.328 km SW of South Dos Palos, California · 17360 days ago · 5 km deep · 35 km away
  48. 2.828 km SW of South Dos Palos, California · 17360 days ago · 6 km deep · 35 km away
  49. 1.526 km SE of Tres Pinos, California · 17359 days ago · 9 km deep · 10 km away
  50. 1.923 km NE of San Ardo, California · 17358 days ago · 3 km deep · 58 km away
  51. 1.78 km SE of Seven Trees, California · 17357 days ago · 5 km deep · 88 km away
  52. 2.228 km ENE of Soledad, California · 17356 days ago · 9 km deep · 11 km away
  53. 2.421 km NE of Soledad, California · 17356 days ago · 5 km deep · 2 km away
  54. 1.931 km NE of King City, California · 17355 days ago · 14 km deep · 30 km away
  55. 1.923 km NE of San Ardo, California · 17355 days ago · 12 km deep · 59 km away
  56. 2.123 km NE of San Ardo, California · 17355 days ago · 10 km deep · 59 km away
  57. 1.924 km NE of San Ardo, California · 17355 days ago · 8 km deep · 58 km away
  58. 2.024 km ENE of Greenfield, California · 17353 days ago · 3 km deep · 22 km away
  59. 1.726 km ENE of Greenfield, California · 17352 days ago · 9 km deep · 26 km away
  60. 2.423 km ENE of Soledad, California · 17351 days ago · 3 km deep · 14 km away

The first 60 of 123.

Before

  1. 2.113 km SW of Three Rocks, California · 17382 days ago · 14 km deep · 66 km away
  2. 1.63 km S of Hollister, California · 17382 days ago · 7 km deep · 33 km away
  3. 2.38 km NE of Coalinga, California · 17382 days ago · 5 km deep · 90 km away
  4. 1.75 km NE of Lexington Hills, California · 17382 days ago · 9 km deep · 94 km away
  5. 1.517 km SSE of Tres Pinos, California · 17384 days ago · 5 km deep · 8 km away
  6. 1.521 km NE of Soledad, California · 17385 days ago · 7 km deep · 5 km away
  7. 1.93 km S of Hollister, California · 17385 days ago · 7 km deep · 33 km away
  8. 2.121 km NE of Soledad, California · 17385 days ago · 8 km deep · 7 km away
  9. 1.820 km W of Volta, California · 17387 days ago · 3 km deep · 57 km away
  10. 1.624 km ENE of Greenfield, California · 17387 days ago · 5 km deep · 23 km away
  11. 2.4Central California · 17388 days ago · 4 km deep · 15 km away
  12. 1.924 km NE of Soledad, California · 17388 days ago · 9 km deep · 6 km away
  13. 2.024 km NE of Soledad, California · 17388 days ago · 9 km deep · 6 km away
  14. 1.824 km NE of Soledad, California · 17388 days ago · 9 km deep · 6 km away
  15. 1.812 km S of Tres Pinos, California · 17389 days ago · 2 km deep · 15 km away
  16. 1.824 km NE of Soledad, California · 17390 days ago · 7 km deep · 6 km away
  17. 1.89 km NNW of Hollister, California · 17390 days ago · 7 km deep · 45 km away
  18. 1.523 km NE of Soledad, California · 17390 days ago · 9 km deep · 6 km away
  19. 1.910 km E of Mendota, California · 17391 days ago · 5 km deep · 84 km away
  20. 2.14 km SW of Ridgemark, California · 17392 days ago · 9 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1044838. Read Wed, Sep 30, 2026, 11:26 PM UTC.