California earthquakes

M1.8 earthquake 12km SSE of Anza, CA

A magnitude 1.8 earthquake struck 12km SSE of Anza, CA on Sun, Aug 16, 1981, 3:44 PM PDT (22:44 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.0 8km NE of Julian, 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
1981-08-16 22:44:12 UTC
Depth
9.2 km (5.7 mi), shallow
Epicenter
33.462° N, 116.603° 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, 1.8 km in depth
Depth from
From location
Station coverage gap
32°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 195 in the 60 days after this one and 95 in the 30 days before it.

After

  1. 1.84km S of Lake Henshaw, CA · 16482 days ago · 17 km deep · 32 km away
  2. 2.59km S of La Quinta, CA · 16481 days ago · 3 km deep · 29 km away
  3. 1.84km SSE of Yucca Valley, CA · 16481 days ago · 7 km deep · 71 km away
  4. 1.515km N of Borrego Springs, CA · 16481 days ago · 3 km deep · 23 km away
  5. 1.715km N of Borrego Springs, CA · 16481 days ago · 3 km deep · 23 km away
  6. 1.64km NNW of Westmorland, CA · 16481 days ago · 11 km deep · 99 km away
  7. 2.110km NE of Cabazon, CA · 16481 days ago · 12 km deep · 58 km away
  8. 1.514km N of Borrego Springs, CA · 16480 days ago · 14 km deep · 21 km away
  9. 2.74km S of Yucca Valley, CA · 16480 days ago · 2 km deep · 71 km away
  10. 2.94km S of Yucca Valley, CA · 16480 days ago · 2 km deep · 70 km away
  11. 2.514km N of Borrego Springs, CA · 16480 days ago · 12 km deep · 22 km away
  12. 1.94km SSE of Yucca Valley, CA · 16480 days ago · 7 km deep · 71 km away
  13. 2.82km SE of Murrieta, CA · 16479 days ago · 5 km deep · 56 km away
  14. 2.410km ENE of Aguanga, CA · 16479 days ago · 4 km deep · 16 km away
  15. 2.54km SE of Highland, CA · 16479 days ago · 7 km deep · 89 km away
  16. 2.14km ESE of Highland, CA · 16479 days ago · 6 km deep · 89 km away
  17. 1.66km WSW of Beaumont, CA · 16478 days ago · 11 km deep · 63 km away
  18. 1.523km ESE of Ocotillo Wells, CA · 16478 days ago · 4 km deep · 80 km away
  19. 2.010km WSW of Anza, CA · 16478 days ago · 3 km deep · 16 km away
  20. 1.813km NE of Thousand Palms, CA · 16478 days ago · 7 km deep · 57 km away
  21. 1.810km N of Cabazon, CA · 16477 days ago · 15 km deep · 63 km away
  22. 1.54km ENE of Ocotillo Wells, CA · 16477 days ago · 11 km deep · 58 km away
  23. 1.511km SW of Anza, CA · 16476 days ago · 3 km deep · 16 km away
  24. 1.96km SSW of Salton City, CA · 16476 days ago · 3 km deep · 63 km away
  25. 1.834km NNE of North Shore, CA · 16476 days ago · 3 km deep · 85 km away
  26. 1.56km SSW of Salton City, CA · 16476 days ago · 1 km deep · 61 km away
  27. 2.110km NNE of Borrego Springs, CA · 16476 days ago · 13 km deep · 29 km away
  28. 2.46km SSW of Salton City, CA · 16476 days ago · 3 km deep · 63 km away
  29. 2.04km SSW of Salton City, CA · 16476 days ago · 5 km deep · 63 km away
  30. 1.76km SSW of Salton City, CA · 16475 days ago · 1 km deep · 62 km away
  31. 1.611km WSW of Anza, CA · 16475 days ago · 4 km deep · 17 km away
  32. 1.66km SSW of Salton City, CA · 16475 days ago · 1 km deep · 63 km away
  33. 2.02km ESE of Loma Linda, CA · 16475 days ago · 9 km deep · 87 km away
  34. 1.834km NNE of North Shore, CA · 16474 days ago · 5 km deep · 86 km away
  35. 1.54km SSE of San Juan Capistrano, CA · 16474 days ago · 12 km deep · 97 km away
  36. 1.76km S of Idyllwild, CA · 16473 days ago · 14 km deep · 27 km away
  37. 1.613km ESE of North Shore, CA · 16473 days ago · 8 km deep · 74 km away
  38. 1.76km SW of Salton City, CA · 16473 days ago · 4 km deep · 61 km away
  39. 2.07km SSW of Salton City, CA · 16473 days ago · 3 km deep · 63 km away
  40. 1.65km SSE of Murrieta, CA · 16473 days ago · 4 km deep · 55 km away
  41. 2.76km SSW of Salton City, CA · 16473 days ago · 3 km deep · 63 km away
  42. 1.66km S of Salton City, CA · 16473 days ago · 3 km deep · 64 km away
  43. 1.533km NNE of North Shore, CA · 16472 days ago · 4 km deep · 85 km away
  44. 1.534km NNE of North Shore, CA · 16472 days ago · 5 km deep · 85 km away
  45. 1.82km NE of Ocotillo Wells, CA · 16472 days ago · 9 km deep · 57 km away
  46. 1.734km NNE of North Shore, CA · 16472 days ago · 2 km deep · 85 km away
  47. 1.78km SSW of Salton City, CA · 16471 days ago · 3 km deep · 64 km away
  48. 2.01km SE of Murrieta, CA · 16471 days ago · 11 km deep · 57 km away
  49. 1.612km NE of Thousand Palms, CA · 16471 days ago · 5 km deep · 55 km away
  50. 1.68km ENE of Aguanga, CA · 16471 days ago · 5 km deep · 17 km away
  51. 3.28km SSE of Bombay Beach, CA · 16471 days ago · 12 km deep · 87 km away
  52. 2.58km SSE of Bombay Beach, CA · 16471 days ago · 4 km deep · 86 km away
  53. 1.79km SE of Bombay Beach, CA · 16471 days ago · 4 km deep · 88 km away
  54. 2.18km SE of Bombay Beach, CA · 16471 days ago · 1 km deep · 88 km away
  55. 2.08km SSE of Bombay Beach, CA · 16471 days ago · 0 km deep · 87 km away
  56. 2.27km SSW of Salton City, CA · 16471 days ago · 3 km deep · 63 km away
  57. 2.26km SSW of Salton City, CA · 16471 days ago · 4 km deep · 63 km away
  58. 2.57km SSW of Salton City, CA · 16471 days ago · 3 km deep · 63 km away
  59. 2.47km S of Salton City, CA · 16471 days ago · 3 km deep · 64 km away
  60. 1.76km SSW of Salton City, CA · 16471 days ago · 3 km deep · 64 km away

The first 60 of 195.

Before

  1. 1.53km ESE of Highland, CA · 16482 days ago · 4 km deep · 91 km away
  2. 2.94km SE of Highland, CA · 16482 days ago · 4 km deep · 89 km away
  3. 1.611km WSW of Anza, CA · 16482 days ago · 7 km deep · 17 km away
  4. 2.34km ESE of Highland, CA · 16482 days ago · 7 km deep · 90 km away
  5. 2.04km ESE of Highland, CA · 16483 days ago · 6 km deep · 89 km away
  6. 1.53km ESE of Highland, CA · 16483 days ago · 8 km deep · 91 km away
  7. 1.73km ESE of Highland, CA · 16483 days ago · 4 km deep · 91 km away
  8. 1.84km ESE of Highland, CA · 16483 days ago · 7 km deep · 90 km away
  9. 2.44km SE of Highland, CA · 16483 days ago · 8 km deep · 89 km away
  10. 1.715km N of Borrego Springs, CA · 16483 days ago · 3 km deep · 22 km away
  11. 1.64km ESE of Highland, CA · 16483 days ago · 7 km deep · 90 km away
  12. 2.014km N of Borrego Springs, CA · 16483 days ago · 3 km deep · 22 km away
  13. 1.73km ESE of Highland, CA · 16483 days ago · 6 km deep · 90 km away
  14. 2.410km NE of Aguanga, CA · 16483 days ago · 4 km deep · 17 km away
  15. 1.815km S of Salton City, CA · 16483 days ago · 12 km deep · 70 km away
  16. 1.735km NNE of North Shore, CA · 16483 days ago · 3 km deep · 86 km away
  17. 1.921km ESE of Anza, CA · 16483 days ago · 4 km deep · 13 km away
  18. 1.54km SSW of Salton City, CA · 16483 days ago · 5 km deep · 63 km away
  19. 1.80km NW of Beaumont, CA · 16484 days ago · 14 km deep · 63 km away
  20. 2.47km NNW of Anza, CA · 16484 days ago · 14 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci521317. Read Thu, Oct 1, 2026, 8:33 PM UTC.