California earthquakes

M1.9 earthquake 11km WSW of Anza, CA

A magnitude 1.9 earthquake struck 11km WSW of Anza, CA on Sun, Oct 11, 1981, 4:43 AM PDT (11:43 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.7 12km SW of Salton City, 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
1.9 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1981-10-11 11:43:03 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
33.508° N, 116.773° 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, 0.8 km in depth
Depth from
From location
Station coverage gap
72°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 95 in the 30 days before it.

After

  1. 1.86km SSW of Banning, CA · 16427 days ago · 11 km deep · 42 km away
  2. 3.513km SSW of Twentynine Palms, CA · 16426 days ago · 9 km deep · 83 km away
  3. 1.94km SSE of Loma Linda, CA · 16425 days ago · 13 km deep · 71 km away
  4. 1.59km ENE of Villa Park, CA · 16425 days ago · 8 km deep · 95 km away
  5. 1.724km NNW of Yucca Valley, CA · 16424 days ago · 0 km deep · 92 km away
  6. 2.412km WSW of Anza, CA · 16424 days ago · 4 km deep · 3 km away
  7. 1.512km W of Anza, CA · 16424 days ago · 2 km deep · 4 km away
  8. 2.54km E of Palomar Observatory, CA · 16424 days ago · 5 km deep · 18 km away
  9. 1.610km NE of Aguanga, CA · 16424 days ago · 1 km deep · 1 km away
  10. 1.512km W of Anza, CA · 16424 days ago · 4 km deep · 4 km away
  11. 1.55km SE of Ontario, CA · 16423 days ago · 5 km deep · 95 km away
  12. 1.511km W of Anza, CA · 16423 days ago · 2 km deep · 4 km away
  13. 1.64km NNE of Cabazon, CA · 16422 days ago · 16 km deep · 49 km away
  14. 1.823km NNW of Joshua Tree, CA · 16422 days ago · -1 km deep · 98 km away
  15. 1.53km S of San Bernardino, CA · 16422 days ago · 3 km deep · 82 km away
  16. 2.33km S of San Bernardino, CA · 16422 days ago · 3 km deep · 82 km away
  17. 1.812km NE of Ocotillo Wells, CA · 16422 days ago · 5 km deep · 74 km away
  18. 2.012km SW of Salton City, CA · 16422 days ago · 5 km deep · 74 km away
  19. 3.712km SW of Salton City, CA · 16422 days ago · 15 km deep · 74 km away
  20. 1.712km NNE of Ocotillo Wells, CA · 16422 days ago · 3 km deep · 73 km away
  21. 2.112km NE of Ocotillo Wells, CA · 16422 days ago · 5 km deep · 76 km away
  22. 2.011km NNE of Ocotillo Wells, CA · 16422 days ago · 5 km deep · 72 km away
  23. 2.212km NE of Ocotillo Wells, CA · 16422 days ago · 6 km deep · 73 km away
  24. 3.112km NNE of Ocotillo Wells, CA · 16422 days ago · 5 km deep · 73 km away
  25. 1.712km NE of Ocotillo Wells, CA · 16422 days ago · 5 km deep · 73 km away
  26. 1.811km SW of Salton City, CA · 16422 days ago · 5 km deep · 74 km away
  27. 1.612km SW of Salton City, CA · 16422 days ago · 6 km deep · 74 km away
  28. 2.112km NE of Ocotillo Wells, CA · 16422 days ago · 4 km deep · 74 km away
  29. 2.112km NE of Ocotillo Wells, CA · 16422 days ago · 7 km deep · 73 km away
  30. 1.73km SSW of San Bernardino, CA · 16422 days ago · 3 km deep · 82 km away
  31. 1.611km SW of Anza, CA · 16422 days ago · 3 km deep · 1 km away
  32. 2.29km ENE of Aguanga, CA · 16421 days ago · 2 km deep · 3 km away
  33. 2.013km SE of Anza, CA · 16421 days ago · 7 km deep · 19 km away
  34. 1.625km ENE of Pine Valley, CA · 16420 days ago · 6 km deep · 77 km away
  35. 1.69km SW of Idyllwild, CA · 16420 days ago · 13 km deep · 21 km away
  36. 2.317km NW of Yucca Valley, CA · 16420 days ago · 8 km deep · 81 km away
  37. 3.024km N of Yucca Valley, CA · 16420 days ago · 1 km deep · 96 km away
  38. 1.624km N of Yucca Valley, CA · 16420 days ago · 1 km deep · 96 km away
  39. 3.021km ESE of Anza, CA · 16419 days ago · 9 km deep · 30 km away
  40. 1.99km ENE of Aguanga, CA · 16419 days ago · 4 km deep · 3 km away
  41. 2.221km ESE of Anza, CA · 16419 days ago · 11 km deep · 29 km away
  42. 3.310km NE of Aguanga, CA · 16418 days ago · 6 km deep · 1 km away
  43. 1.89km SE of Valle Vista, CA · 16418 days ago · 16 km deep · 22 km away
  44. 1.79km SE of Big Bear City, CA · 16417 days ago · 8 km deep · 77 km away
  45. 1.64km WNW of Lake Arrowhead, CA · 16417 days ago · 3 km deep · 93 km away
  46. 2.56km SSW of Redlands, CA · 16417 days ago · 12 km deep · 67 km away
  47. 1.70km WNW of Muscoy, CA · 16416 days ago · 2 km deep · 89 km away
  48. 2.016km E of Desert Hot Springs, CA · 16416 days ago · -1 km deep · 65 km away
  49. 1.78km NNE of Cabazon, CA · 16416 days ago · 16 km deep · 52 km away
  50. 2.314km SSW of Borrego Springs, CA · 16415 days ago · 8 km deep · 51 km away
  51. 2.122km ESE of Anza, CA · 16415 days ago · 6 km deep · 29 km away
  52. 2.211km NNE of Aguanga, CA · 16414 days ago · 5 km deep · 4 km away
  53. 2.916km NNE of Borrego Springs, CA · 16413 days ago · 14 km deep · 46 km away
  54. 2.014km NE of Thousand Palms, CA · 16412 days ago · 6 km deep · 64 km away
  55. 1.523km ESE of Anza, CA · 16412 days ago · 10 km deep · 31 km away
  56. 1.72km ESE of Loma Linda, CA · 16411 days ago · 17 km deep · 73 km away
  57. 1.610km ENE of Aguanga, CA · 16410 days ago · 4 km deep · 2 km away
  58. 1.912km SE of Anza, CA · 16410 days ago · 4 km deep · 17 km away
  59. 1.98km SW of La Jolla, CA · 16410 days ago · 6 km deep · 95 km away
  60. 1.621km N of Yucca Valley, CA · 16409 days ago · 0 km deep · 93 km away

The first 60 of 148.

Before

  1. 1.75km NNE of Cabazon, CA · 16428 days ago · 17 km deep · 50 km away
  2. 1.610km SE of Anza, CA · 16429 days ago · 9 km deep · 16 km away
  3. 2.35km E of Calimesa, CA · 16431 days ago · 13 km deep · 58 km away
  4. 1.58km ESE of Palomar Observatory, CA · 16432 days ago · 2 km deep · 19 km away
  5. 2.52km ESE of Cabazon, CA · 16432 days ago · 16 km deep · 45 km away
  6. 1.620km NNW of Borrego Springs, CA · 16433 days ago · 12 km deep · 32 km away
  7. 1.516km N of Joshua Tree, CA · 16433 days ago · 4 km deep · 94 km away
  8. 1.96km WNW of Desert Hot Springs, CA · 16434 days ago · 7 km deep · 56 km away
  9. 1.75km S of Salton City, CA · 16434 days ago · 4 km deep · 80 km away
  10. 1.68km WSW of Salton City, CA · 16435 days ago · 2 km deep · 74 km away
  11. 2.112km SE of San Diego Country Estates, CA · 16436 days ago · 9 km deep · 64 km away
  12. 1.52km SW of Aguanga, CA · 16436 days ago · 3 km deep · 13 km away
  13. 2.26km SE of Temecula, CA · 16437 days ago · 6 km deep · 31 km away
  14. 2.222km ESE of Julian, CA · 16438 days ago · 10 km deep · 65 km away
  15. 1.86km SE of Temecula, CA · 16439 days ago · 8 km deep · 31 km away
  16. 1.55km SSW of Salton City, CA · 16439 days ago · 3 km deep · 79 km away
  17. 1.821km E of Julian, CA · 16439 days ago · 9 km deep · 64 km away
  18. 2.36km SE of Temecula, CA · 16440 days ago · 7 km deep · 31 km away
  19. 1.96km ESE of Moreno Valley, CA · 16440 days ago · 12 km deep · 58 km away
  20. 1.86km ESE of Moreno Valley, CA · 16440 days ago · 12 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci525381. Read Sat, Oct 3, 2026, 3:21 PM UTC.