California earthquakes

M1.8 earthquake 23km ESE of Anza, CA

A magnitude 1.8 earthquake struck 23km ESE of Anza, CA on Sat, Dec 20, 1986, 6:31 PM PST (02:31 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M2.3 28km NNW of Joshua Tree, CA. 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 (mc), micro
Local time
UTC
1986-12-21 02:31:47 UTC
Depth
14.8 km (9.2 mi), shallow
Epicenter
33.489° N, 116.441° 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
59°
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: 197 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.328km NNW of Joshua Tree, CA · 14490 days ago · 5 km deep · 99 km away
  2. 2.632km SE of Twentynine Palms, CA · 14490 days ago · 5 km deep · 74 km away
  3. 2.115km NNE of Borrego Springs, CA · 14490 days ago · 5 km deep · 15 km away
  4. 2.03km NE of Murrieta, CA · 14490 days ago · 3 km deep · 71 km away
  5. 2.513km ENE of Borrego Springs, CA · 14489 days ago · 10 km deep · 26 km away
  6. 1.83km NNW of Desert Hot Springs, CA · 14489 days ago · 11 km deep · 56 km away
  7. 2.118km SW of La Quinta, CA · 14489 days ago · 10 km deep · 5 km away
  8. 1.916km ESE of Anza, CA · 14489 days ago · 8 km deep · 7 km away
  9. 2.36km S of Borrego Springs, CA · 14489 days ago · 12 km deep · 33 km away
  10. 1.912km SW of Morongo Valley, CA · 14489 days ago · 8 km deep · 57 km away
  11. 2.211km E of Borrego Springs, CA · 14489 days ago · 8 km deep · 32 km away
  12. 2.210km SSW of Morongo Valley, CA · 14489 days ago · 5 km deep · 56 km away
  13. 2.17km SSW of Morongo Valley, CA · 14489 days ago · 8 km deep · 59 km away
  14. 1.66km S of Redlands, CA · 14489 days ago · 16 km deep · 89 km away
  15. 2.220km ENE of Thousand Palms, CA · 14488 days ago · 8 km deep · 52 km away
  16. 2.414km N of Borrego Springs, CA · 14488 days ago · 10 km deep · 13 km away
  17. 1.78km NE of Anza, CA · 14488 days ago · 14 km deep · 22 km away
  18. 2.221km NNW of Yucca Valley, CA · 14488 days ago · 5 km deep · 90 km away
  19. 1.513km SSW of Westmorland, CA · 14488 days ago · 2 km deep · 94 km away
  20. 2.28km E of Ocotillo Wells, CA · 14488 days ago · 2 km deep · 54 km away
  21. 1.820km SSW of Ocotillo Wells, CA · 14488 days ago · 8 km deep · 63 km away
  22. 1.611km ESE of Anza, CA · 14487 days ago · 13 km deep · 12 km away
  23. 2.09km WSW of Morongo Valley, CA · 14487 days ago · 7 km deep · 61 km away
  24. 2.717km NNE of Borrego Springs, CA · 14487 days ago · 11 km deep · 18 km away
  25. 1.98km SSW of Redlands, CA · 14486 days ago · 17 km deep · 91 km away
  26. 2.312km NE of Cabazon, CA · 14486 days ago · 7 km deep · 59 km away
  27. 2.313km NE of Julian, CA · 14486 days ago · 9 km deep · 39 km away
  28. 2.24km W of Desert Hot Springs, CA · 14486 days ago · 2 km deep · 54 km away
  29. 2.110km NE of Joshua Tree, CA · 14486 days ago · 3 km deep · 80 km away
  30. 2.28km SE of Valle Vista, CA · 14486 days ago · 12 km deep · 43 km away
  31. 2.17km W of Desert Hot Springs, CA · 14485 days ago · 5 km deep · 55 km away
  32. 1.98km ENE of Joshua Tree, CA · 14485 days ago · 0 km deep · 78 km away
  33. 1.85km W of Desert Hot Springs, CA · 14485 days ago · 4 km deep · 53 km away
  34. 2.15km WNW of Desert Hot Springs, CA · 14485 days ago · 5 km deep · 55 km away
  35. 2.210km N of Westmorland, CA · 14485 days ago · 5 km deep · 86 km away
  36. 2.11km NNW of Loma Linda, CA · 14485 days ago · 14 km deep · 99 km away
  37. 1.86km SSW of Idyllwild, CA · 14485 days ago · 17 km deep · 37 km away
  38. 2.119km ESE of Anza, CA · 14485 days ago · 14 km deep · 4 km away
  39. 1.816km ESE of Anza, CA · 14485 days ago · 14 km deep · 7 km away
  40. 1.914km SSW of Oasis, CA · 14485 days ago · 18 km deep · 32 km away
  41. 2.112km N of Cabazon, CA · 14485 days ago · 10 km deep · 67 km away
  42. 2.05km E of Yucaipa, CA · 14484 days ago · 12 km deep · 79 km away
  43. 2.510km N of Westmorland, CA · 14484 days ago · 5 km deep · 86 km away
  44. 2.710km N of Westmorland, CA · 14484 days ago · 5 km deep · 85 km away
  45. 1.68km NE of Indio, CA · 14484 days ago · 7 km deep · 42 km away
  46. 2.410km SSW of Idyllwild, CA · 14484 days ago · 13 km deep · 36 km away
  47. 1.710km NNE of Indio, CA · 14483 days ago · 8 km deep · 42 km away
  48. 1.96km WNW of Desert Hot Springs, CA · 14483 days ago · 10 km deep · 55 km away
  49. 2.215km WSW of Niland, CA · 14483 days ago · 1 km deep · 77 km away
  50. 1.85km WSW of Morongo Valley, CA · 14483 days ago · 10 km deep · 62 km away
  51. 2.715km E of Julian, CA · 14482 days ago · 16 km deep · 48 km away
  52. 3.012km SW of Salton City, CA · 14482 days ago · 6 km deep · 46 km away
  53. 2.15km SW of Yucca Valley, CA · 14482 days ago · 5 km deep · 66 km away
  54. 1.911km SW of Morongo Valley, CA · 14482 days ago · 4 km deep · 58 km away
  55. 2.38km SSW of Idyllwild, CA · 14482 days ago · 13 km deep · 34 km away
  56. 1.612km W of Anza, CA · 14482 days ago · 6 km deep · 34 km away
  57. 2.38km SW of Ocotillo, CA · 14482 days ago · 6 km deep · 95 km away
  58. 2.313km NNE of Cabazon, CA · 14481 days ago · 14 km deep · 67 km away
  59. 1.711km W of Anza, CA · 14481 days ago · 3 km deep · 34 km away
  60. 1.82km ESE of Loma Linda, CA · 14481 days ago · 16 km deep · 96 km away

The first 60 of 197.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci714813. Read Tue, Sep 22, 2026, 3:36 PM UTC.