California earthquakes

M1.8 earthquake 11km W of Anza, CA

A magnitude 1.8 earthquake struck 11km W of Anza, CA on Sat, Apr 11, 1987, 8:12 AM PDT (15:12 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.9 12km SW of Morongo Valley, CA. This one was a foreshock.

Anza 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 (mc), micro
Local time
UTC
1987-04-11 15:12:22 UTC
Depth
2.6 km (1.6 mi), shallow
Epicenter
33.556° N, 116.797° 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
69°
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: 189 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.912km SW of Morongo Valley, CA · 14371 days ago · 5 km deep · 47 km away
  2. 2.117km SSE of Big Bear Lake, CA · 14370 days ago · 3 km deep · 61 km away
  3. 1.613km WNW of Anza, CA · 14370 days ago · 6 km deep · 5 km away
  4. 2.210km SSW of Idyllwild, CA · 14370 days ago · 14 km deep · 12 km away
  5. 2.14km WSW of Morongo Valley, CA · 14370 days ago · 12 km deep · 55 km away
  6. 2.010km N of Anza, CA · 14369 days ago · 14 km deep · 14 km away
  7. 2.18km SW of Devore, CA · 14368 days ago · 10 km deep · 93 km away
  8. 2.224km SSW of La Quinta, CA · 14368 days ago · 8 km deep · 36 km away
  9. 2.04km NW of Aguanga, CA · 14368 days ago · 2 km deep · 13 km away
  10. 2.111km N of Banning, CA · 14367 days ago · 20 km deep · 53 km away
  11. 2.24km NNE of Running Springs, CA · 14367 days ago · 1 km deep · 81 km away
  12. 2.06km S of Idyllwild, CA · 14367 days ago · 15 km deep · 16 km away
  13. 1.77km N of Big Bear Lake, CA · 14366 days ago · 5 km deep · 84 km away
  14. 2.223km SSW of La Quinta, CA · 14366 days ago · 11 km deep · 34 km away
  15. 2.022km ESE of Anza, CA · 14366 days ago · 12 km deep · 33 km away
  16. 1.64km NNE of Fontana, CA · 14365 days ago · 7 km deep · 87 km away
  17. 2.36km E of Yucaipa, CA · 14365 days ago · 5 km deep · 56 km away
  18. 2.49km NE of Nuevo, CA · 14365 days ago · 13 km deep · 43 km away
  19. 2.36km WNW of Fontana, CA · 14365 days ago · 3 km deep · 92 km away
  20. 2.02km WNW of Muscoy, CA · 14365 days ago · 13 km deep · 86 km away
  21. 1.86km WNW of Fontana, CA · 14364 days ago · 4 km deep · 91 km away
  22. 1.95km WNW of Desert Hot Springs, CA · 14364 days ago · 7 km deep · 52 km away
  23. 2.317km NNE of Indio, CA · 14364 days ago · 1 km deep · 68 km away
  24. 2.317km NNE of Indio, CA · 14364 days ago · 2 km deep · 68 km away
  25. 1.916km NNE of Indio, CA · 14364 days ago · 5 km deep · 67 km away
  26. 1.817km NNE of Indio, CA · 14364 days ago · 2 km deep · 68 km away
  27. 1.716km NNE of Indio, CA · 14364 days ago · 4 km deep · 67 km away
  28. 1.617km NNE of Indio, CA · 14364 days ago · 5 km deep · 67 km away
  29. 2.012km SW of Morongo Valley, CA · 14364 days ago · 9 km deep · 48 km away
  30. 2.211km SW of Morongo Valley, CA · 14364 days ago · 9 km deep · 48 km away
  31. 1.817km NNE of Indio, CA · 14364 days ago · 4 km deep · 67 km away
  32. 2.110km SW of Morongo Valley, CA · 14364 days ago · 16 km deep · 49 km away
  33. 1.917km NNE of Indio, CA · 14364 days ago · 5 km deep · 67 km away
  34. 2.217km NNE of Indio, CA · 14363 days ago · 2 km deep · 67 km away
  35. 2.717km NNE of Indio, CA · 14363 days ago · 4 km deep · 67 km away
  36. 2.013km NE of Borrego Springs, CA · 14363 days ago · 11 km deep · 53 km away
  37. 1.617km NNE of Indio, CA · 14363 days ago · 4 km deep · 67 km away
  38. 1.66km WNW of Fontana, CA · 14363 days ago · 3 km deep · 91 km away
  39. 2.06km SE of Lucerne Valley, CA · 14363 days ago · 8 km deep · 96 km away
  40. 2.47km NW of Aguanga, CA · 14362 days ago · 4 km deep · 15 km away
  41. 2.04km NNE of Fontana, CA · 14362 days ago · 6 km deep · 87 km away
  42. 2.312km WSW of Morongo Valley, CA · 14362 days ago · 8 km deep · 50 km away
  43. 2.212km WSW of Morongo Valley, CA · 14362 days ago · 8 km deep · 50 km away
  44. 2.07km ENE of Borrego Springs, CA · 14362 days ago · 10 km deep · 56 km away
  45. 1.910km NW of Twentynine Palms, CA · 14362 days ago · 4 km deep · 92 km away
  46. 2.221km ENE of Coachella, CA · 14361 days ago · 0 km deep · 80 km away
  47. 1.517km NNE of Indio, CA · 14361 days ago · 2 km deep · 67 km away
  48. 2.516km NNE of Indio, CA · 14361 days ago · 4 km deep · 67 km away
  49. 2.316km NNE of Indio, CA · 14361 days ago · 4 km deep · 67 km away
  50. 2.316km NNE of Indio, CA · 14361 days ago · 6 km deep · 67 km away
  51. 1.617km NNE of Indio, CA · 14361 days ago · 5 km deep · 67 km away
  52. 2.516km NNE of Indio, CA · 14361 days ago · 2 km deep · 67 km away
  53. 2.217km NNE of Indio, CA · 14361 days ago · 2 km deep · 68 km away
  54. 2.124km SSW of La Quinta, CA · 14361 days ago · 8 km deep · 35 km away
  55. 2.117km NNE of Indio, CA · 14361 days ago · 4 km deep · 67 km away
  56. 2.516km NNE of Indio, CA · 14361 days ago · 4 km deep · 67 km away
  57. 2.017km NNE of Indio, CA · 14361 days ago · 2 km deep · 67 km away
  58. 2.317km NNE of Indio, CA · 14361 days ago · 4 km deep · 67 km away
  59. 2.017km NNE of Indio, CA · 14361 days ago · 2 km deep · 67 km away
  60. 2.017km NNE of Indio, CA · 14361 days ago · 2 km deep · 68 km away

The first 60 of 189.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci720481. Read Tue, Sep 22, 2026, 9:38 PM UTC.