California earthquakes

M1.8 earthquake 10km SSW of Ocotillo Wells, CA

A magnitude 1.8 earthquake struck 10km SSW of Ocotillo Wells, CA on Tue, Apr 30, 1985, 1:37 AM PDT (08:37 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M1.9 23km S of Twentynine Palms, 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
1985-04-30 08:37:09 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
33.065° N, 116.186° 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
86°
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: 180 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.64km WSW of Anza, CA · 15085 days ago · 2 km deep · 72 km away
  2. 1.923km S of Twentynine Palms, CA · 15085 days ago · 1 km deep · 98 km away
  3. 3.35km WNW of Brawley, CA · 15084 days ago · 9 km deep · 57 km away
  4. 2.04km W of Brawley, CA · 15084 days ago · 4 km deep · 57 km away
  5. 1.68km SW of Holtville, CA · 15084 days ago · 10 km deep · 78 km away
  6. 2.28km W of Lake Henshaw, CA · 15084 days ago · 5 km deep · 65 km away
  7. 2.05km W of Brawley, CA · 15084 days ago · 6 km deep · 57 km away
  8. 3.610km NNE of Borrego Springs, CA · 15084 days ago · 11 km deep · 34 km away
  9. 2.611km NNE of Borrego Springs, CA · 15084 days ago · 9 km deep · 34 km away
  10. 1.65km S of Brawley, CA · 15084 days ago · 6 km deep · 63 km away
  11. 2.011km W of Anza, CA · 15084 days ago · 2 km deep · 77 km away
  12. 1.511km WSW of Westmorland, CA · 15084 days ago · 1 km deep · 44 km away
  13. 2.211km NE of Aguanga, CA · 15084 days ago · 1 km deep · 76 km away
  14. 1.711km WSW of Anza, CA · 15084 days ago · 2 km deep · 76 km away
  15. 1.84km W of Brawley, CA · 15083 days ago · 5 km deep · 58 km away
  16. 1.74km SSE of Idyllwild, CA · 15083 days ago · 16 km deep · 86 km away
  17. 1.611km NE of Ocotillo Wells, CA · 15083 days ago · 3 km deep · 21 km away
  18. 2.212km NNE of Idyllwild, CA · 15082 days ago · 7 km deep · 97 km away
  19. 1.715km SE of Anza, CA · 15082 days ago · 12 km deep · 56 km away
  20. 1.810km SW of Anza, CA · 15082 days ago · 8 km deep · 70 km away
  21. 2.06km WNW of Lake Henshaw, CA · 15082 days ago · 5 km deep · 63 km away
  22. 1.712km NNE of Idyllwild, CA · 15081 days ago · 7 km deep · 97 km away
  23. 1.54km WNW of Anza, CA · 15081 days ago · 5 km deep · 75 km away
  24. 1.57km SW of Salton City, CA · 15081 days ago · 2 km deep · 26 km away
  25. 1.87km WNW of Borrego Springs, CA · 15081 days ago · 3 km deep · 34 km away
  26. 1.712km S of Salton City, CA · 15080 days ago · 3 km deep · 26 km away
  27. 1.913km NE of Julian, CA · 15080 days ago · 5 km deep · 30 km away
  28. 1.628km ENE of Pine Valley, CA · 15080 days ago · 6 km deep · 20 km away
  29. 1.716km SE of Anza, CA · 15080 days ago · 12 km deep · 55 km away
  30. 1.822km ESE of Julian, CA · 15080 days ago · 5 km deep · 18 km away
  31. 1.77km SW of Idyllwild, CA · 15079 days ago · 16 km deep · 88 km away
  32. 1.85km WNW of Lake Henshaw, CA · 15079 days ago · 12 km deep · 62 km away
  33. 1.715km W of Salton City, CA · 15079 days ago · 7 km deep · 25 km away
  34. 2.217km NE of Borrego Springs, CA · 15079 days ago · 11 km deep · 35 km away
  35. 2.116km N of Ocotillo Wells, CA · 15078 days ago · 6 km deep · 25 km away
  36. 1.67km N of North Shore, CA · 15078 days ago · 5 km deep · 63 km away
  37. 2.011km ENE of Julian, CA · 15078 days ago · 9 km deep · 31 km away
  38. 1.99km SSW of Idyllwild, CA · 15078 days ago · 12 km deep · 84 km away
  39. 1.58km SW of Idyllwild, CA · 15078 days ago · 16 km deep · 89 km away
  40. 1.911km NNE of Borrego Springs, CA · 15077 days ago · 8 km deep · 35 km away
  41. 1.77km ENE of Borrego Springs, CA · 15077 days ago · 10 km deep · 25 km away
  42. 2.020km ESE of Julian, CA · 15077 days ago · 1 km deep · 20 km away
  43. 2.26km NE of Calexico, CA · 15076 days ago · 15 km deep · 78 km away
  44. 1.722km ENE of Pine Valley, CA · 15076 days ago · 8 km deep · 21 km away
  45. 1.59km NE of Indio, CA · 15076 days ago · 8 km deep · 80 km away
  46. 2.08km SE of Ocotillo, CA · 15075 days ago · 7 km deep · 48 km away
  47. 1.56km SSE of Borrego Springs, CA · 15075 days ago · 12 km deep · 22 km away
  48. 1.913km SSE of Progreso, B.C., MX · 15075 days ago · 6 km deep · 89 km away
  49. 2.69km ESE of Ocotillo Wells, CA · 15075 days ago · 6 km deep · 14 km away
  50. 1.611km W of Calipatria, CA · 15075 days ago · 4 km deep · 52 km away
  51. 1.720km N of Borrego Springs, CA · 15075 days ago · 9 km deep · 45 km away
  52. 2.16km SE of Valle Vista, CA · 15074 days ago · 16 km deep · 94 km away
  53. 1.64km N of Aguanga, CA · 15073 days ago · 8 km deep · 78 km away
  54. 1.623km S of Twentynine Palms, CA · 15073 days ago · 1 km deep · 97 km away
  55. 1.912km W of Anza, CA · 15073 days ago · 2 km deep · 78 km away
  56. 1.810km ENE of Indio, CA · 15073 days ago · 5 km deep · 78 km away
  57. 2.111km S of Idyllwild, CA · 15073 days ago · 13 km deep · 82 km away
  58. 2.210km ENE of Indio, CA · 15073 days ago · 5 km deep · 78 km away
  59. 1.810km SW of Idyllwild, CA · 15073 days ago · 10 km deep · 88 km away
  60. 1.58km E of Borrego Springs, CA · 15073 days ago · 9 km deep · 24 km away

The first 60 of 180.

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From the USGS Earthquake Hazards Program and its partner networks, event ci65310. Read Tue, Sep 22, 2026, 7:37 PM UTC.