California earthquakes

M1.9 earthquake 11km W of Anza, CA

A magnitude 1.9 earthquake struck 11km W of Anza, CA on Thu, Feb 12, 1987, 11:55 AM PST (19:55 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M4.0 4km NNE of Fontana, CA. This one was a foreshock.

Anza forecastMore in California

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1987-02-12 19:55:31 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
33.558° N, 116.794° 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.

Depth from
From location
Station coverage gap
84°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 185 in the 30 days before it.

After

  1. 2.412km W of Anza, CA · 14479 days ago · 2 km deep · 1 km away
  2. 2.49km S of Idyllwild, CA · 14479 days ago · 14 km deep · 13 km away
  3. 2.08km SSW of Morongo Valley, CA · 14479 days ago · 7 km deep · 50 km away
  4. 1.85km WSW of Morongo Valley, CA · 14479 days ago · 10 km deep · 54 km away
  5. 2.77km NE of Joshua Tree, CA · 14479 days ago · 0 km deep · 85 km away
  6. 1.913km N of Borrego Springs, CA · 14479 days ago · 11 km deep · 44 km away
  7. 1.823km S of Twentynine Palms, CA · 14479 days ago · 5 km deep · 77 km away
  8. 1.99km S of Idyllwild, CA · 14479 days ago · 14 km deep · 13 km away
  9. 2.47km NE of Joshua Tree, CA · 14478 days ago · 0 km deep · 85 km away
  10. 2.25km NE of Beaumont, CA · 14478 days ago · 13 km deep · 47 km away
  11. 2.28km WSW of Calimesa, CA · 14478 days ago · 16 km deep · 55 km away
  12. 1.712km NNE of Cabazon, CA · 14478 days ago · 10 km deep · 52 km away
  13. 2.56km W of Desert Hot Springs, CA · 14478 days ago · 8 km deep · 50 km away
  14. 1.94km WNW of Desert Hot Springs, CA · 14478 days ago · 5 km deep · 53 km away
  15. 1.64km N of Fontana, CA · 14478 days ago · 7 km deep · 88 km away
  16. 1.77km SSW of Idyllwild, CA · 14478 days ago · 14 km deep · 14 km away
  17. 2.31km S of Muscoy, CA · 14477 days ago · 11 km deep · 83 km away
  18. 1.55km S of Fontana, CA · 14477 days ago · 7 km deep · 83 km away
  19. 2.012km E of Borrego Springs, CA · 14477 days ago · 10 km deep · 61 km away
  20. 1.723km SSE of Twentynine Palms, CA · 14477 days ago · 0 km deep · 89 km away
  21. 1.95km W of Desert Hot Springs, CA · 14477 days ago · 10 km deep · 50 km away
  22. 1.89km SW of Salton City, CA · 14477 days ago · 6 km deep · 80 km away
  23. 1.98km NE of Joshua Tree, CA · 14477 days ago · -1 km deep · 85 km away
  24. 2.118km NNE of Pine Valley, CA · 14477 days ago · 0 km deep · 73 km away
  25. 2.010km NE of Cabazon, CA · 14477 days ago · 18 km deep · 47 km away
  26. 1.62km SW of Loma Linda, CA · 14476 days ago · 18 km deep · 70 km away
  27. 2.35km WNW of Desert Hot Springs, CA · 14476 days ago · 7 km deep · 51 km away
  28. 2.14km W of Desert Hot Springs, CA · 14476 days ago · 11 km deep · 50 km away
  29. 2.311km E of Borrego Springs, CA · 14476 days ago · 10 km deep · 61 km away
  30. 2.212km NNE of Borrego Springs, CA · 14476 days ago · 14 km deep · 47 km away
  31. 2.011km ESE of North Shore, CA · 14476 days ago · 2 km deep · 90 km away
  32. 1.85km NE of Muscoy, CA · 14475 days ago · 1 km deep · 85 km away
  33. 1.97km WSW of Morongo Valley, CA · 14475 days ago · 9 km deep · 53 km away
  34. 1.98km NE of Joshua Tree, CA · 14475 days ago · 2 km deep · 86 km away
  35. 1.56km S of Redlands, CA · 14475 days ago · 8 km deep · 61 km away
  36. 2.117km SSW of Oasis, CA · 14475 days ago · 9 km deep · 62 km away
  37. 1.96km S of Morongo Valley, CA · 14475 days ago · 10 km deep · 52 km away
  38. 2.84km N of Fontana, CA · 14475 days ago · 7 km deep · 88 km away
  39. 1.96km WSW of Morongo Valley, CA · 14475 days ago · 10 km deep · 54 km away
  40. 1.94km NNE of Fontana, CA · 14475 days ago · 8 km deep · 88 km away
  41. 2.010km SSW of Salton City, CA · 14474 days ago · 4 km deep · 81 km away
  42. 1.63km NNW of Fontana, CA · 14474 days ago · 10 km deep · 88 km away
  43. 1.718km NNW of Joshua Tree, CA · 14474 days ago · 5 km deep · 91 km away
  44. 2.211km N of Cabazon, CA · 14474 days ago · 9 km deep · 51 km away
  45. 1.87km SSW of Morongo Valley, CA · 14474 days ago · 7 km deep · 51 km away
  46. 1.813km NNE of Cabazon, CA · 14474 days ago · 12 km deep · 52 km away
  47. 1.711km W of Anza, CA · 14474 days ago · 4 km deep · 0 km away
  48. 2.022km NNW of Borrego Springs, CA · 14474 days ago · 6 km deep · 35 km away
  49. 1.79km WSW of Morongo Valley, CA · 14473 days ago · 6 km deep · 52 km away
  50. 2.118km NNE of Indio, CA · 14473 days ago · 4 km deep · 68 km away
  51. 2.213km NNE of Borrego Springs, CA · 14473 days ago · 13 km deep · 47 km away
  52. 2.212km ENE of Cabazon, CA · 14473 days ago · 9 km deep · 47 km away
  53. 1.95km W of Desert Hot Springs, CA · 14473 days ago · 2 km deep · 51 km away
  54. 2.314km E of Borrego Springs, CA · 14473 days ago · 3 km deep · 63 km away
  55. 2.87km NE of Joshua Tree, CA · 14472 days ago · 0 km deep · 84 km away
  56. 2.513km E of Borrego Springs, CA · 14472 days ago · 7 km deep · 62 km away
  57. 2.42km WSW of Yucaipa, CA · 14472 days ago · 14 km deep · 58 km away
  58. 2.05km W of Desert Hot Springs, CA · 14472 days ago · 8 km deep · 50 km away
  59. 2.57km NE of Nuevo, CA · 14472 days ago · 15 km deep · 42 km away
  60. 1.84km SSE of Mentone, CA · 14471 days ago · 13 km deep · 61 km away

The first 60 of 184.

Before

  1. 2.115km E of Julian, CA · 14479 days ago · 12 km deep · 64 km away
  2. 1.86km N of Valle Vista, CA · 14480 days ago · 13 km deep · 29 km away
  3. 2.35km SW of Morongo Valley, CA · 14480 days ago · 11 km deep · 53 km away
  4. 2.013km N of Borrego Springs, CA · 14480 days ago · 11 km deep · 44 km away
  5. 1.95km W of Desert Hot Springs, CA · 14480 days ago · 10 km deep · 50 km away
  6. 1.611km N of North Shore, CA · 14480 days ago · 10 km deep · 78 km away
  7. 1.94km W of Anza, CA · 14480 days ago · 1 km deep · 7 km away
  8. 2.68km WSW of Morongo Valley, CA · 14480 days ago · 10 km deep · 53 km away
  9. 1.84km WSW of Anza, CA · 14480 days ago · 3 km deep · 7 km away
  10. 2.110km SW of Morongo Valley, CA · 14481 days ago · 5 km deep · 48 km away
  11. 2.17km NNE of Banning, CA · 14481 days ago · 7 km deep · 47 km away
  12. 2.09km SW of Lucerne Valley, CA · 14481 days ago · 9 km deep · 95 km away
  13. 2.122km ESE of Anza, CA · 14481 days ago · 8 km deep · 33 km away
  14. 2.03km SSW of Mentone, CA · 14481 days ago · 8 km deep · 64 km away
  15. 1.77km SE of Chino Hills, CA · 14481 days ago · 12 km deep · 95 km away
  16. 2.29km NE of Joshua Tree, CA · 14481 days ago · 0 km deep · 87 km away
  17. 2.34km NE of Ocotillo Wells, CA · 14481 days ago · 9 km deep · 77 km away
  18. 1.910km NE of Joshua Tree, CA · 14481 days ago · 1 km deep · 87 km away
  19. 2.014km N of Ocotillo Wells, CA · 14481 days ago · 9 km deep · 71 km away
  20. 1.82km NNW of Fontana, CA · 14482 days ago · 4 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci717138. Read Mon, Oct 5, 2026, 5:31 AM UTC.