California earthquakes

M1.8 earthquake 17km SE of Anza, CA

A magnitude 1.8 earthquake struck 17km SE of Anza, CA on Mon, Nov 13, 1978, 1:51 AM PST (09:51 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M4.3 12km SSW of Big Bear Lake, 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
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-11-13 09:51:35 UTC
Depth
12.2 km (7.6 mi), shallow
Epicenter
33.468° N, 116.522° 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 0.4 km horizontally, 1.3 km in depth
Depth from
From location
Station coverage gap
102°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 132 in the 30 days before it.

After

  1. 1.710km SE of Valle Vista, CA · 17492 days ago · 15 km deep · 37 km away
  2. 2.016km SSE of Joshua Tree, CA · 17492 days ago · 0 km deep · 63 km away
  3. 1.59km E of Borrego Springs, CA · 17492 days ago · 12 km deep · 32 km away
  4. 1.618km NW of Yucca Valley, CA · 17492 days ago · 7 km deep · 84 km away
  5. 1.68km N of Desert Hot Springs, CA · 17492 days ago · 3 km deep · 63 km away
  6. 2.02km E of Loma Linda, CA · 17492 days ago · 14 km deep · 92 km away
  7. 2.123km ENE of Coachella, CA · 17491 days ago · 4 km deep · 63 km away
  8. 1.67km SSW of Ocotillo, CA · 17491 days ago · 11 km deep · 100 km away
  9. 1.911km NE of Ocotillo Wells, CA · 17490 days ago · 17 km deep · 50 km away
  10. 1.79km SSW of Morongo Valley, CA · 17490 days ago · 6 km deep · 57 km away
  11. 1.87km SE of Bombay Beach, CA · 17489 days ago · 5 km deep · 80 km away
  12. 1.617km ESE of Anza, CA · 17489 days ago · 13 km deep · 1 km away
  13. 2.19km N of Westmorland, CA · 17489 days ago · 10 km deep · 93 km away
  14. 2.311km N of Joshua Tree, CA · 17488 days ago · 6 km deep · 88 km away
  15. 1.910km WNW of Twentynine Palms, CA · 17488 days ago · 5 km deep · 86 km away
  16. 1.524km ENE of Thermal, CA · 17488 days ago · 8 km deep · 64 km away
  17. 2.024km SE of Ocotillo Wells, CA · 17488 days ago · 9 km deep · 75 km away
  18. 1.63km S of Westmorland, CA · 17487 days ago · 10 km deep · 98 km away
  19. 1.616km NNE of Borrego Springs, CA · 17487 days ago · 14 km deep · 23 km away
  20. 1.810km SSW of Warner Springs, CA · 17486 days ago · 12 km deep · 32 km away
  21. 2.023km N of Borrego Springs, CA · 17486 days ago · 11 km deep · 9 km away
  22. 1.822km WNW of Desert Center, CA · 17486 days ago · 4 km deep · 92 km away
  23. 1.713km W of Niland, CA · 17486 days ago · 6 km deep · 85 km away
  24. 1.714km SE of Anza, CA · 17486 days ago · 8 km deep · 5 km away
  25. 4.312km SSW of Big Bear Lake, CA · 17486 days ago · 14 km deep · 86 km away
  26. 2.712km SSW of Big Bear Lake, CA · 17486 days ago · 12 km deep · 87 km away
  27. 3.413km SSW of Big Bear Lake, CA · 17486 days ago · 12 km deep · 86 km away
  28. 1.612km SSW of Big Bear Lake, CA · 17486 days ago · 13 km deep · 86 km away
  29. 1.612km SSW of Big Bear Lake, CA · 17485 days ago · 14 km deep · 86 km away
  30. 1.614km WNW of Calipatria, CA · 17485 days ago · 5 km deep · 87 km away
  31. 1.712km WNW of Calipatria, CA · 17485 days ago · 6 km deep · 89 km away
  32. 2.313km WNW of Calipatria, CA · 17485 days ago · 5 km deep · 89 km away
  33. 1.912km WNW of Calipatria, CA · 17485 days ago · 5 km deep · 89 km away
  34. 1.99km SW of Lake Henshaw, CA · 17485 days ago · 16 km deep · 43 km away
  35. 1.511km WNW of Calipatria, CA · 17485 days ago · 5 km deep · 90 km away
  36. 1.58km WSW of Calipatria, CA · 17485 days ago · 1 km deep · 95 km away
  37. 2.013km WNW of Calipatria, CA · 17485 days ago · 5 km deep · 89 km away
  38. 2.012km WNW of Calipatria, CA · 17485 days ago · 5 km deep · 89 km away
  39. 2.013km WNW of Calipatria, CA · 17485 days ago · 5 km deep · 88 km away
  40. 2.06km NNE of Borrego Springs, CA · 17485 days ago · 15 km deep · 24 km away
  41. 1.512km SSW of Big Bear Lake, CA · 17485 days ago · 13 km deep · 87 km away
  42. 3.412km SSW of Big Bear Lake, CA · 17485 days ago · 12 km deep · 86 km away
  43. 1.527km WNW of Desert Center, CA · 17485 days ago · 6 km deep · 85 km away
  44. 1.711km NNE of Borrego Springs, CA · 17485 days ago · 14 km deep · 24 km away
  45. 1.518km ENE of Thousand Palms, CA · 17484 days ago · 8 km deep · 56 km away
  46. 2.010km NNE of Ocotillo Wells, CA · 17484 days ago · 6 km deep · 49 km away
  47. 3.08km NE of Desert Hot Springs, CA · 17484 days ago · 9 km deep · 61 km away
  48. 1.619km NE of Thousand Palms, CA · 17484 days ago · 8 km deep · 57 km away
  49. 2.13km NNW of Palomar Observatory, CA · 17484 days ago · 8 km deep · 35 km away
  50. 1.616km NE of Thousand Palms, CA · 17484 days ago · 5 km deep · 55 km away
  51. 2.511km SE of Anza, CA · 17484 days ago · 5 km deep · 8 km away
  52. 2.511km SE of Anza, CA · 17483 days ago · 9 km deep · 8 km away
  53. 1.83km SSE of Highland, CA · 17483 days ago · 3 km deep · 94 km away
  54. 2.310km SW of Lake Henshaw, CA · 17483 days ago · 13 km deep · 43 km away
  55. 1.92km SSE of Loma Linda, CA · 17483 days ago · 17 km deep · 92 km away
  56. 2.66km SSW of Banning, CA · 17483 days ago · 11 km deep · 57 km away
  57. 1.811km NNE of Julian, CA · 17483 days ago · 16 km deep · 34 km away
  58. 2.727km SE of Ocotillo Wells, CA · 17482 days ago · 6 km deep · 78 km away
  59. 2.46km SE of Winchester, CA · 17482 days ago · 13 km deep · 52 km away
  60. 2.16km WNW of Calimesa, CA · 17481 days ago · 16 km deep · 81 km away

The first 60 of 181.

Before

  1. 1.711km NNE of Ocotillo Wells, CA · 17493 days ago · 10 km deep · 48 km away
  2. 1.95km E of Calimesa, CA · 17493 days ago · 17 km deep · 72 km away
  3. 1.822km SE of Ocotillo Wells, CA · 17493 days ago · 4 km deep · 74 km away
  4. 1.510km NNW of Ocotillo Wells, CA · 17494 days ago · 4 km deep · 41 km away
  5. 1.522km NE of Coachella, CA · 17494 days ago · 10 km deep · 62 km away
  6. 1.823km ENE of Coachella, CA · 17494 days ago · 4 km deep · 63 km away
  7. 1.714km SE of Joshua Tree, CA · 17494 days ago · 4 km deep · 68 km away
  8. 1.94km SE of Garnet, CA · 17495 days ago · 3 km deep · 46 km away
  9. 1.820km S of La Quinta, CA · 17495 days ago · 9 km deep · 19 km away
  10. 1.69km SW of Idyllwild, CA · 17495 days ago · 17 km deep · 35 km away
  11. 2.04km W of Aguanga, CA · 17495 days ago · 7 km deep · 36 km away
  12. 2.35km NE of Wildomar, CA · 17495 days ago · 8 km deep · 69 km away
  13. 2.910km NE of Ocotillo Wells, CA · 17496 days ago · 15 km deep · 50 km away
  14. 1.618km W of Imperial, CA · 17496 days ago · 10 km deep · 97 km away
  15. 1.719km W of Imperial, CA · 17496 days ago · 9 km deep · 97 km away
  16. 2.614km N of Borrego Springs, CA · 17497 days ago · 6 km deep · 15 km away
  17. 1.812km W of Niland, CA · 17497 days ago · 4 km deep · 85 km away
  18. 1.515km SSW of Oasis, CA · 17497 days ago · 10 km deep · 34 km away
  19. 1.64km NE of Joshua Tree, CA · 17497 days ago · 2 km deep · 80 km away
  20. 1.620km ESE of Anza, CA · 17498 days ago · 10 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3343502. Read Sun, Oct 4, 2026, 7:51 PM UTC.