California earthquakes

M2.0 earthquake 12 km SW of Ridgemark, California

A magnitude 2.0 earthquake struck 12 km SW of Ridgemark, California on Tue, Jan 31, 1984, 11:31 PM PST (07:31 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.2 21 km NE of Soledad, California. This one was a foreshock.

Ridgemark 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
2.0 (md), micro
Local time
UTC
1984-02-01 07:31:37 UTC
Depth
14.1 km (8.7 mi), shallow
Epicenter
36.739° N, 121.470° 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, 0.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
55°
Stations used
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 111 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 2.221 km NE of Soledad, California · 15575 days ago · 7 km deep · 31 km away
  2. 1.621 km NE of Soledad, California · 15574 days ago · 4 km deep · 31 km away
  3. 2.29 km SW of Tres Pinos, California · 15574 days ago · 6 km deep · 8 km away
  4. 1.623 km ENE of Soledad, California · 15573 days ago · 6 km deep · 40 km away
  5. 1.929 km WSW of Lockwood, California · 15573 days ago · 3 km deep · 98 km away
  6. 1.622 km NE of San Ardo, California · 15573 days ago · 4 km deep · 94 km away
  7. 1.721 km NE of Soledad, California · 15573 days ago · 2 km deep · 33 km away
  8. 1.521 km NE of Soledad, California · 15573 days ago · 6 km deep · 30 km away
  9. 2.813 km S of Tres Pinos, California · 15572 days ago · 3 km deep · 17 km away
  10. 2.013 km S of Tres Pinos, California · 15572 days ago · 3 km deep · 17 km away
  11. 1.531 km ENE of Soledad, California · 15571 days ago · 8 km deep · 43 km away
  12. 1.611 km SW of Ridgemark, California · 15570 days ago · 14 km deep · 1 km away
  13. 1.713 km NNW of Big Sur, California · 15570 days ago · 12 km deep · 55 km away
  14. 2.323 km SSW of Three Rocks, California · 15568 days ago · 9 km deep · 96 km away
  15. 1.6Central California · 15567 days ago · 1 km deep · 49 km away
  16. 2.117 km SSE of Tres Pinos, California · 15567 days ago · 4 km deep · 22 km away
  17. 1.922 km NE of Soledad, California · 15566 days ago · 2 km deep · 37 km away
  18. 1.621 km NE of Soledad, California · 15566 days ago · 3 km deep · 33 km away
  19. 2.014 km E of Seven Trees, California · 15566 days ago · 4 km deep · 65 km away
  20. 4.116 km NNW of Big Sur, California · 15566 days ago · 8 km deep · 54 km away
  21. 2.027 km ESE of Tres Pinos, California · 15565 days ago · 5 km deep · 38 km away
  22. 2.58 km SSW of Tres Pinos, California · 15565 days ago · 2 km deep · 10 km away
  23. 3.415 km NNW of Big Sur, California · 15564 days ago · 6 km deep · 53 km away
  24. 1.631 km NE of King City, California · 15564 days ago · 17 km deep · 60 km away
  25. 1.724 km ENE of Greenfield, California · 15563 days ago · 5 km deep · 54 km away
  26. 2.112 km SW of Ridgemark, California · 15563 days ago · 15 km deep · 1 km away
  27. 2.022 km NNE of Soledad, California · 15563 days ago · 2 km deep · 28 km away
  28. 1.911 km SE of Tres Pinos, California · 15562 days ago · 5 km deep · 22 km away
  29. 2.617 km SSE of Tres Pinos, California · 15559 days ago · 3 km deep · 22 km away
  30. 1.624 km WSW of Lockwood, California · 15559 days ago · 2 km deep · 100 km away
  31. 2.52 km SSW of Hollister, California · 15558 days ago · 8 km deep · 11 km away
  32. 2.213 km SW of Carmel Valley Village, California · 15558 days ago · 10 km deep · 51 km away
  33. 1.811 km SW of Ridgemark, California · 15558 days ago · 14 km deep · 1 km away
  34. 1.511 km SW of Carmel Valley Village, California · 15557 days ago · 8 km deep · 48 km away
  35. 1.624 km ENE of Soledad, California · 15557 days ago · 3 km deep · 45 km away
  36. 2.03 km NNW of Hollister, California · 15556 days ago · 7 km deep · 17 km away
  37. 2.013 km SSE of Tres Pinos, California · 15556 days ago · 4 km deep · 18 km away
  38. 2.38 km NE of Corralitos, California · 15556 days ago · 12 km deep · 41 km away
  39. 2.021 km NE of Soledad, California · 15555 days ago · 9 km deep · 36 km away
  40. 1.723 km NE of San Lucas, California · 15554 days ago · 7 km deep · 80 km away
  41. 1.614 km E of Seven Trees, California · 15553 days ago · 1 km deep · 64 km away
  42. 1.510 km NE of San Martin, California · 15553 days ago · 8 km deep · 46 km away
  43. 1.84 km SSE of San Juan Bautista, California · 15553 days ago · 6 km deep · 9 km away
  44. 2.121 km NE of Soledad, California · 15553 days ago · 7 km deep · 30 km away
  45. 1.97 km E of East Foothills, California · 15553 days ago · 8 km deep · 74 km away
  46. 2.221 km NE of Soledad, California · 15553 days ago · 2 km deep · 36 km away
  47. 1.714 km SSE of Livermore, California · 15552 days ago · 6 km deep · 94 km away
  48. 2.06 km WSW of Three Rocks, California · 15552 days ago · 14 km deep · 95 km away
  49. 1.710 km NNE of East Foothills, California · 15550 days ago · 7 km deep · 87 km away
  50. 1.54 km E of San Juan Bautista, California · 15550 days ago · 12 km deep · 12 km away
  51. 1.68 km NE of Corralitos, California · 15550 days ago · 12 km deep · 41 km away
  52. 1.53 km SW of Ridgemark, California · 15549 days ago · 2 km deep · 9 km away
  53. 1.523 km NE of San Ardo, California · 15549 days ago · 7 km deep · 88 km away
  54. 1.925 km ENE of Greenfield, California · 15549 days ago · 1 km deep · 54 km away
  55. 2.316 km SSE of Livermore, California · 15547 days ago · 3 km deep · 92 km away
  56. 2.611 km S of Tres Pinos, California · 15547 days ago · 2 km deep · 15 km away
  57. 2.022 km NNE of Soledad, California · 15547 days ago · 8 km deep · 28 km away
  58. 1.616 km E of Seven Trees, California · 15547 days ago · 8 km deep · 63 km away
  59. 1.916 km E of Seven Trees, California · 15547 days ago · 8 km deep · 63 km away
  60. 2.616 km E of Seven Trees, California · 15547 days ago · 8 km deep · 62 km away

The first 60 of 111.

Before

  1. 1.711 km SW of Ridgemark, California · 15575 days ago · 15 km deep · 0 km away
  2. 1.927 km SE of Big Sur, California · 15575 days ago · 28 km deep · 74 km away
  3. 1.633 km S of Big Sur, California · 15575 days ago · 1 km deep · 89 km away
  4. 1.729 km SSE of Big Sur, California · 15575 days ago · 10 km deep · 79 km away
  5. 1.711 km SSE of San Juan Bautista, California · 15576 days ago · 15 km deep · 1 km away
  6. 2.422 km ENE of Soledad, California · 15576 days ago · 3 km deep · 39 km away
  7. 1.59 km NE of Gilroy, California · 15576 days ago · 9 km deep · 36 km away
  8. 1.69 km ENE of Morgan Hill, California · 15578 days ago · 3 km deep · 47 km away
  9. 1.610 km SE of Carmel Valley Village, California · 15578 days ago · 4 km deep · 37 km away
  10. 1.716 km WSW of Volta, California · 15579 days ago · 0 km deep · 46 km away
  11. 1.79 km ENE of Morgan Hill, California · 15580 days ago · 8 km deep · 49 km away
  12. 2.312 km SW of Ridgemark, California · 15580 days ago · 15 km deep · 1 km away
  13. 1.511 km SW of Ridgemark, California · 15580 days ago · 14 km deep · 1 km away
  14. 1.715 km SE of Carmel Valley Village, California · 15580 days ago · 1 km deep · 41 km away
  15. 2.06 km NNE of Interlaken, California · 15580 days ago · 11 km deep · 37 km away
  16. 1.513 km NNW of Big Sur, California · 15580 days ago · 6 km deep · 51 km away
  17. 1.627 km SE of Tres Pinos, California · 15580 days ago · 14 km deep · 36 km away
  18. 1.91 km W of Tres Pinos, California · 15580 days ago · 6 km deep · 13 km away
  19. 1.814 km NNW of Big Sur, California · 15580 days ago · 13 km deep · 52 km away
  20. 2.412 km SW of Ridgemark, California · 15580 days ago · 15 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc4275. Read Tue, Sep 22, 2026, 10:34 PM UTC.