California earthquakes

M2.1 earthquake 1km SSE of Anza, CA

A magnitude 2.1 earthquake struck 1km SSE of Anza, CA on Thu, Sep 29, 1983, 3:04 PM PDT (22:04 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.8 24km WSW of Westmorland, 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
2.1 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1983-09-29 22:04:35 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
33.550° N, 116.672° 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.

Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
43°
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: 192 in the 60 days after this one and 104 in the 30 days before it.

After

  1. 1.614km NNE of Borrego Springs, CA · 15708 days ago · 10 km deep · 40 km away
  2. 1.91km ENE of Anza, CA · 15708 days ago · 11 km deep · 1 km away
  3. 1.92km N of Moreno Valley, CA · 15708 days ago · 14 km deep · 68 km away
  4. 2.56km WNW of Aguanga, CA · 15707 days ago · 11 km deep · 25 km away
  5. 1.61km NW of Loma Linda, CA · 15706 days ago · 14 km deep · 78 km away
  6. 1.86km W of Muscoy, CA · 15706 days ago · 5 km deep · 95 km away
  7. 1.63km SE of Highland, CA · 15706 days ago · 6 km deep · 79 km away
  8. 2.36km E of Lakeside, CA · 15706 days ago · 5 km deep · 80 km away
  9. 1.910km S of Idyllwild, CA · 15706 days ago · 11 km deep · 12 km away
  10. 1.51km ESE of Loma Linda, CA · 15705 days ago · 14 km deep · 77 km away
  11. 1.53km WNW of Cabazon, CA · 15705 days ago · 8 km deep · 44 km away
  12. 1.72km W of Borrego Springs, CA · 15705 days ago · 3 km deep · 41 km away
  13. 1.87km S of Morongo Valley, CA · 15705 days ago · 8 km deep · 49 km away
  14. 1.52km S of Banning, CA · 15705 days ago · 11 km deep · 44 km away
  15. 2.020km ESE of Ocotillo Wells, CA · 15705 days ago · 7 km deep · 87 km away
  16. 1.823km NE of Pine Valley, CA · 15705 days ago · 5 km deep · 75 km away
  17. 1.612km WNW of Garnet, CA · 15704 days ago · 14 km deep · 43 km away
  18. 1.523km SSW of Ocotillo Wells, CA · 15704 days ago · 13 km deep · 80 km away
  19. 1.915km N of Yucca Valley, CA · 15704 days ago · 5 km deep · 81 km away
  20. 2.825km NNW of Yucca Valley, CA · 15704 days ago · 1 km deep · 88 km away
  21. 1.56km S of Lake Henshaw, CA · 15704 days ago · 10 km deep · 41 km away
  22. 2.212km NW of Morongo Valley, CA · 15703 days ago · 9 km deep · 62 km away
  23. 1.811km SSW of Ocotillo Wells, CA · 15703 days ago · 8 km deep · 70 km away
  24. 1.98km NE of Desert Hot Springs, CA · 15703 days ago · 12 km deep · 56 km away
  25. 1.97km E of Running Springs, CA · 15703 days ago · 10 km deep · 81 km away
  26. 2.522km ESE of Anza, CA · 15703 days ago · 10 km deep · 22 km away
  27. 2.26km SW of Beaumont, CA · 15702 days ago · 13 km deep · 51 km away
  28. 1.913km W of Salton City, CA · 15702 days ago · 1 km deep · 60 km away
  29. 1.78km SE of Valle Vista, CA · 15702 days ago · 16 km deep · 22 km away
  30. 2.18km SW of Salton City, CA · 15702 days ago · 3 km deep · 70 km away
  31. 1.616km ESE of Big Bear City, CA · 15702 days ago · 4 km deep · 76 km away
  32. 1.74km E of Palomar Observatory, CA · 15702 days ago · 3 km deep · 26 km away
  33. 1.813km SW of Borrego Springs, CA · 15702 days ago · 12 km deep · 47 km away
  34. 1.86km SE of Loma Linda, CA · 15702 days ago · 12 km deep · 72 km away
  35. 2.310km NNE of Ocotillo Wells, CA · 15702 days ago · 10 km deep · 66 km away
  36. 2.02km SSE of Loma Linda, CA · 15701 days ago · 18 km deep · 76 km away
  37. 1.924km NE of Pine Valley, CA · 15701 days ago · 5 km deep · 75 km away
  38. 2.06km ESE of Morongo Valley, CA · 15701 days ago · 9 km deep · 54 km away
  39. 1.97km N of Big Bear City, CA · 15701 days ago · 5 km deep · 88 km away
  40. 2.410km NNE of Ocotillo Wells, CA · 15701 days ago · 11 km deep · 66 km away
  41. 2.42km SE of Loma Linda, CA · 15701 days ago · 17 km deep · 76 km away
  42. 2.026km NNW of Yucca Valley, CA · 15701 days ago · 0 km deep · 89 km away
  43. 2.05km SE of Loma Linda, CA · 15701 days ago · 11 km deep · 73 km away
  44. 3.15km NNE of Beaumont, CA · 15701 days ago · 15 km deep · 54 km away
  45. 1.85km NNE of Beaumont, CA · 15701 days ago · 17 km deep · 54 km away
  46. 1.82km W of Loma Linda, CA · 15701 days ago · 15 km deep · 80 km away
  47. 2.02km ESE of Loma Linda, CA · 15700 days ago · 15 km deep · 76 km away
  48. 1.77km SE of Loma Linda, CA · 15700 days ago · 11 km deep · 71 km away
  49. 1.87km W of Anza, CA · 15700 days ago · 3 km deep · 7 km away
  50. 2.12km SE of Loma Linda, CA · 15700 days ago · 17 km deep · 76 km away
  51. 1.922km ESE of Anza, CA · 15699 days ago · 11 km deep · 22 km away
  52. 2.18km S of Idyllwild, CA · 15699 days ago · 14 km deep · 13 km away
  53. 1.618km NNE of Joshua Tree, CA · 15699 days ago · 11 km deep · 91 km away
  54. 1.523km SSE of Twentynine Palms, CA · 15699 days ago · 1 km deep · 79 km away
  55. 2.07km E of Ocotillo Wells, CA · 15699 days ago · 11 km deep · 73 km away
  56. 2.017km WSW of Oasis, CA · 15699 days ago · 10 km deep · 43 km away
  57. 1.920km ESE of Julian, CA · 15699 days ago · 1 km deep · 63 km away
  58. 2.47km NE of Nuevo, CA · 15699 days ago · 11 km deep · 51 km away
  59. 2.025km NNW of Yucca Valley, CA · 15698 days ago · 1 km deep · 88 km away
  60. 1.810km NNE of Aguanga, CA · 15698 days ago · 2 km deep · 13 km away

The first 60 of 192.

Before

  1. 1.719km E of Ocotillo Wells, CA · 15709 days ago · 13 km deep · 84 km away
  2. 1.814km NNE of Borrego Springs, CA · 15709 days ago · 10 km deep · 40 km away
  3. 1.712km W of Morongo Valley, CA · 15709 days ago · 13 km deep · 55 km away
  4. 1.52km S of Loma Linda, CA · 15710 days ago · 17 km deep · 77 km away
  5. 1.922km SE of Anza, CA · 15710 days ago · 13 km deep · 22 km away
  6. 1.66km E of Running Springs, CA · 15710 days ago · 1 km deep · 82 km away
  7. 1.72km NNE of Anza, CA · 15710 days ago · 10 km deep · 2 km away
  8. 2.49km SE of Running Springs, CA · 15711 days ago · 12 km deep · 75 km away
  9. 2.46km NW of Rialto, CA · 15711 days ago · 13 km deep · 96 km away
  10. 1.630km WNW of Desert Center, CA · 15711 days ago · 13 km deep · 92 km away
  11. 1.68km NNW of Cabazon, CA · 15711 days ago · 11 km deep · 50 km away
  12. 2.22km NNW of Colton, CA · 15712 days ago · 5 km deep · 86 km away
  13. 1.92km N of Colton, CA · 15712 days ago · 7 km deep · 85 km away
  14. 2.37km NE of Nuevo, CA · 15712 days ago · 13 km deep · 50 km away
  15. 1.81km NNW of Valle Vista, CA · 15712 days ago · 12 km deep · 31 km away
  16. 2.22km NNW of Colton, CA · 15712 days ago · 8 km deep · 85 km away
  17. 1.92km NNW of Colton, CA · 15712 days ago · 5 km deep · 85 km away
  18. 1.93km NNW of Colton, CA · 15712 days ago · 4 km deep · 85 km away
  19. 1.82km SSE of Redlands, CA · 15712 days ago · 4 km deep · 71 km away
  20. 1.68km WNW of Idyllwild, CA · 15712 days ago · 12 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci16633. Read Fri, Oct 2, 2026, 7:32 AM UTC.