California earthquakes

M1.6 earthquake 24km ESE of Anza, CA

A magnitude 1.6 earthquake struck 24km ESE of Anza, CA on Mon, Jul 13, 1981, 6:58 PM PDT (01:58 UTC), 11 km (7 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
1.6 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1981-07-14 01:58:49 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
33.472° N, 116.440° 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
41°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 192 in the 30 days before it.

After

  1. 1.52km NW of Cabazon, CA · 16516 days ago · 16 km deep · 61 km away
  2. 2.519km SW of Ocotillo, CA · 16516 days ago · 14 km deep · 100 km away
  3. 1.734km NNE of North Shore, CA · 16515 days ago · 6 km deep · 71 km away
  4. 1.534km NNE of North Shore, CA · 16515 days ago · 3 km deep · 72 km away
  5. 1.622km WSW of Westmorland, CA · 16514 days ago · 7 km deep · 83 km away
  6. 2.016km W of Westmorland, CA · 16514 days ago · 5 km deep · 79 km away
  7. 1.912km ENE of Thermal, CA · 16513 days ago · 4 km deep · 45 km away
  8. 1.58km NE of Borrego Springs, CA · 16513 days ago · 3 km deep · 21 km away
  9. 1.57km SW of Salton City, CA · 16513 days ago · 3 km deep · 47 km away
  10. 2.316km W of Imperial, CA · 16512 days ago · 14 km deep · 97 km away
  11. 3.11km SW of Anza, CA · 16512 days ago · 7 km deep · 24 km away
  12. 1.69km NE of Aguanga, CA · 16512 days ago · 3 km deep · 32 km away
  13. 2.121km W of Westmorland, CA · 16512 days ago · 4 km deep · 75 km away
  14. 2.012km ENE of Coachella, CA · 16512 days ago · 3 km deep · 45 km away
  15. 1.513km W of Niland, CA · 16512 days ago · 5 km deep · 77 km away
  16. 1.56km SSW of Salton City, CA · 16511 days ago · 4 km deep · 50 km away
  17. 2.811km ENE of Coachella, CA · 16511 days ago · 2 km deep · 45 km away
  18. 1.511km NNW of Borrego Springs, CA · 16511 days ago · 3 km deep · 14 km away
  19. 1.72km ESE of Loma Linda, CA · 16510 days ago · 16 km deep · 97 km away
  20. 2.46km S of Salton City, CA · 16510 days ago · 6 km deep · 51 km away
  21. 1.631km SE of Twentynine Palms, CA · 16509 days ago · 4 km deep · 73 km away
  22. 1.511km NE of Aguanga, CA · 16508 days ago · 3 km deep · 32 km away
  23. 1.710km ENE of Borrego Springs, CA · 16508 days ago · 9 km deep · 24 km away
  24. 2.218km ESE of Julian, CA · 16508 days ago · 7 km deep · 48 km away
  25. 2.010km NE of Aguanga, CA · 16508 days ago · 4 km deep · 32 km away
  26. 1.511km NW of Julian, CA · 16508 days ago · 17 km deep · 42 km away
  27. 1.76km S of Salton City, CA · 16508 days ago · 5 km deep · 51 km away
  28. 1.511km NE of Aguanga, CA · 16508 days ago · 2 km deep · 32 km away
  29. 1.58km ENE of Indio, CA · 16507 days ago · 4 km deep · 42 km away
  30. 1.59km NW of Ocotillo, CA · 16507 days ago · 5 km deep · 84 km away
  31. 1.86km WSW of Salton City, CA · 16507 days ago · 2 km deep · 45 km away
  32. 2.410km NE of Aguanga, CA · 16507 days ago · 0 km deep · 32 km away
  33. 1.610km NE of Aguanga, CA · 16506 days ago · 1 km deep · 32 km away
  34. 1.710km NNE of Borrego Springs, CA · 16506 days ago · 12 km deep · 17 km away
  35. 2.68km ENE of Aguanga, CA · 16505 days ago · 4 km deep · 32 km away
  36. 2.07km NE of Aguanga, CA · 16505 days ago · 0 km deep · 34 km away
  37. 1.65km NE of Anza, CA · 16504 days ago · 13 km deep · 23 km away
  38. 1.65km NE of Anza, CA · 16504 days ago · 13 km deep · 23 km away
  39. 2.012km SSW of Idyllwild, CA · 16504 days ago · 12 km deep · 37 km away
  40. 1.67km SSW of Salton City, CA · 16503 days ago · 3 km deep · 48 km away
  41. 1.618km N of Borrego Springs, CA · 16503 days ago · 11 km deep · 7 km away
  42. 2.811km SW of Morongo Valley, CA · 16503 days ago · 14 km deep · 60 km away
  43. 1.511km SW of Morongo Valley, CA · 16503 days ago · 16 km deep · 61 km away
  44. 1.55km E of Palomar Observatory, CA · 16502 days ago · 3 km deep · 37 km away
  45. 1.525km ESE of Ocotillo Wells, CA · 16501 days ago · 9 km deep · 71 km away
  46. 1.96km WSW of Brawley, CA · 16501 days ago · 15 km deep · 98 km away
  47. 3.411km ENE of Julian, CA · 16501 days ago · 10 km deep · 38 km away
  48. 1.911km NE of Julian, CA · 16501 days ago · 9 km deep · 37 km away
  49. 1.610km NE of Aguanga, CA · 16500 days ago · 3 km deep · 32 km away
  50. 1.711km WSW of Anza, CA · 16500 days ago · 1 km deep · 32 km away
  51. 1.810km NE of Aguanga, CA · 16500 days ago · 2 km deep · 32 km away
  52. 2.05km WSW of Ocotillo Wells, CA · 16500 days ago · 6 km deep · 46 km away
  53. 1.510km WSW of Anza, CA · 16500 days ago · 9 km deep · 31 km away
  54. 1.54km WSW of Ocotillo Wells, CA · 16500 days ago · 6 km deep · 45 km away
  55. 1.56km S of Salton City, CA · 16499 days ago · 3 km deep · 51 km away
  56. 1.734km NNE of North Shore, CA · 16498 days ago · 4 km deep · 71 km away
  57. 1.622km NNW of Yucca Valley, CA · 16498 days ago · 1 km deep · 93 km away
  58. 1.612km SW of Westmorland, CA · 16498 days ago · 10 km deep · 87 km away
  59. 1.634km NNE of North Shore, CA · 16497 days ago · 1 km deep · 71 km away
  60. 1.534km NNE of North Shore, CA · 16497 days ago · 4 km deep · 71 km away

The first 60 of 193.

Before

  1. 1.66km NNE of Calipatria, CA · 16517 days ago · 7 km deep · 93 km away
  2. 1.57km N of Ocotillo Wells, CA · 16517 days ago · 8 km deep · 40 km away
  3. 1.86km WSW of Salton City, CA · 16518 days ago · 2 km deep · 45 km away
  4. 1.77km WSW of Salton City, CA · 16518 days ago · 2 km deep · 44 km away
  5. 2.418km SW of Ocotillo, CA · 16518 days ago · 12 km deep · 99 km away
  6. 1.58km W of Salton City, CA · 16518 days ago · 4 km deep · 43 km away
  7. 2.46km WSW of Salton City, CA · 16518 days ago · 4 km deep · 45 km away
  8. 1.66km WSW of Salton City, CA · 16518 days ago · 2 km deep · 45 km away
  9. 1.934km NNE of North Shore, CA · 16518 days ago · 3 km deep · 71 km away
  10. 2.08km E of Borrego Springs, CA · 16519 days ago · 12 km deep · 29 km away
  11. 1.54km S of Salton City, CA · 16519 days ago · 6 km deep · 50 km away
  12. 1.66km SSW of Salton City, CA · 16519 days ago · 4 km deep · 50 km away
  13. 1.76km SSW of Salton City, CA · 16519 days ago · 4 km deep · 49 km away
  14. 1.522km NNW of Yucca Valley, CA · 16519 days ago · 2 km deep · 92 km away
  15. 1.66km SSW of Salton City, CA · 16520 days ago · 3 km deep · 50 km away
  16. 1.95km SSW of Salton City, CA · 16520 days ago · 3 km deep · 50 km away
  17. 2.46km SSW of Salton City, CA · 16520 days ago · 3 km deep · 49 km away
  18. 2.66km SSW of Salton City, CA · 16520 days ago · 5 km deep · 49 km away
  19. 1.719km SSW of Ocotillo Wells, CA · 16521 days ago · 2 km deep · 57 km away
  20. 1.634km NNE of North Shore, CA · 16521 days ago · 3 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci519309. Read Fri, Oct 2, 2026, 1:01 PM UTC.