California earthquakes

M2.3 earthquake 13km SE of Anza, CA

A magnitude 2.3 earthquake struck 13km SE of Anza, CA on Sun, Oct 8, 1978, 4:53 PM PDT (23:53 UTC), 11 km (7 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
2.3 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-10-08 23:53:30 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
33.469° N, 116.577° 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 0.5 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.36
Depth from
From location
Station coverage gap
45°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 183 in the 60 days after this one and 175 in the 30 days before it.

After

  1. 1.89km NE of Running Springs, CA · 17526 days ago · 6 km deep · 99 km away
  2. 1.923km ENE of Coachella, CA · 17526 days ago · 3 km deep · 67 km away
  3. 1.624km ENE of Coachella, CA · 17525 days ago · 1 km deep · 68 km away
  4. 1.86km N of Beaumont, CA · 17525 days ago · 14 km deep · 68 km away
  5. 1.516km ENE of Thermal, CA · 17525 days ago · 10 km deep · 61 km away
  6. 1.723km NE of Thermal, CA · 17525 days ago · 6 km deep · 67 km away
  7. 1.521km NE of Thermal, CA · 17525 days ago · 6 km deep · 65 km away
  8. 2.49km NE of Running Springs, CA · 17525 days ago · 5 km deep · 100 km away
  9. 2.123km ENE of Coachella, CA · 17524 days ago · 3 km deep · 67 km away
  10. 2.38km S of Idyllwild, CA · 17524 days ago · 15 km deep · 26 km away
  11. 1.521km NE of Thermal, CA · 17524 days ago · 2 km deep · 66 km away
  12. 1.68km ESE of Julian, CA · 17524 days ago · 8 km deep · 47 km away
  13. 2.17km SE of Valle Vista, CA · 17524 days ago · 14 km deep · 35 km away
  14. 3.010km NE of Running Springs, CA · 17524 days ago · 6 km deep · 99 km away
  15. 1.79km NE of Running Springs, CA · 17524 days ago · 6 km deep · 99 km away
  16. 2.311km SE of Anza, CA · 17523 days ago · 5 km deep · 2 km away
  17. 1.810km NE of Running Springs, CA · 17523 days ago · 5 km deep · 100 km away
  18. 1.524km ENE of Coachella, CA · 17523 days ago · 3 km deep · 68 km away
  19. 1.511km SE of Anza, CA · 17523 days ago · 8 km deep · 2 km away
  20. 1.86km SE of Borrego Springs, CA · 17523 days ago · 9 km deep · 36 km away
  21. 1.720km ENE of Pine Valley, CA · 17523 days ago · 6 km deep · 65 km away
  22. 1.610km NE of Running Springs, CA · 17523 days ago · 5 km deep · 100 km away
  23. 2.423km ENE of Coachella, CA · 17523 days ago · 3 km deep · 67 km away
  24. 1.923km ENE of Coachella, CA · 17523 days ago · 3 km deep · 67 km away
  25. 1.618km ESE of Anza, CA · 17523 days ago · 6 km deep · 9 km away
  26. 2.07km NE of Yucca Valley, CA · 17522 days ago · 2 km deep · 79 km away
  27. 1.69km NE of Running Springs, CA · 17522 days ago · 5 km deep · 100 km away
  28. 1.711km SSW of Calimesa, CA · 17522 days ago · 17 km deep · 67 km away
  29. 1.67km NNE of Moreno Valley, CA · 17522 days ago · 14 km deep · 81 km away
  30. 1.515km ESE of Julian, CA · 17521 days ago · 15 km deep · 48 km away
  31. 2.42km NW of Loma Linda, CA · 17520 days ago · 17 km deep · 92 km away
  32. 2.614km NW of Twentynine Palms, CA · 17520 days ago · 8 km deep · 92 km away
  33. 1.914km NW of Twentynine Palms, CA · 17520 days ago · 10 km deep · 92 km away
  34. 1.727km WNW of Desert Center, CA · 17520 days ago · 6 km deep · 89 km away
  35. 2.715km NW of Twentynine Palms, CA · 17520 days ago · 5 km deep · 92 km away
  36. 1.610km NNE of Banning, CA · 17519 days ago · 20 km deep · 66 km away
  37. 1.70km SE of Loma Linda, CA · 17519 days ago · 11 km deep · 90 km away
  38. 2.39km NNE of Indio, CA · 17518 days ago · 5 km deep · 52 km away
  39. 1.69km NNE of Indio, CA · 17518 days ago · 6 km deep · 51 km away
  40. 2.514km NW of Twentynine Palms, CA · 17518 days ago · 7 km deep · 92 km away
  41. 1.810km NE of Running Springs, CA · 17518 days ago · 3 km deep · 99 km away
  42. 1.89km NE of Running Springs, CA · 17518 days ago · 5 km deep · 99 km away
  43. 2.527km E of Pine Valley, CA · 17518 days ago · 15 km deep · 74 km away
  44. 1.910km SW of Idyllwild, CA · 17518 days ago · 15 km deep · 32 km away
  45. 2.21km ESE of Loma Linda, CA · 17518 days ago · 17 km deep · 89 km away
  46. 1.811km SW of Morongo Valley, CA · 17518 days ago · 16 km deep · 59 km away
  47. 1.97km SE of Valle Vista, CA · 17518 days ago · 15 km deep · 36 km away
  48. 1.710km WNW of Garnet, CA · 17517 days ago · 17 km deep · 54 km away
  49. 1.76km SW of Salton City, CA · 17517 days ago · 6 km deep · 59 km away
  50. 1.814km NNW of Bombay Beach, CA · 17517 days ago · 6 km deep · 73 km away
  51. 1.615km SE of Anza, CA · 17517 days ago · 11 km deep · 2 km away
  52. 1.823km NE of Pine Valley, CA · 17516 days ago · 6 km deep · 63 km away
  53. 1.512km NE of Coachella, CA · 17516 days ago · 6 km deep · 56 km away
  54. 1.810km SE of Anza, CA · 17516 days ago · 6 km deep · 3 km away
  55. 1.622km SW of Westmorland, CA · 17516 days ago · 8 km deep · 96 km away
  56. 1.614km NW of Twentynine Palms, CA · 17515 days ago · 11 km deep · 91 km away
  57. 2.714km NW of Twentynine Palms, CA · 17515 days ago · 8 km deep · 92 km away
  58. 3.214km NW of Twentynine Palms, CA · 17515 days ago · 7 km deep · 91 km away
  59. 1.514km NW of Twentynine Palms, CA · 17515 days ago · 10 km deep · 91 km away
  60. 1.527km WNW of Desert Center, CA · 17515 days ago · 6 km deep · 90 km away

The first 60 of 183.

Before

  1. 1.815km SSW of Ocotillo Wells, CA · 17526 days ago · 7 km deep · 59 km away
  2. 1.726km WNW of Desert Center, CA · 17526 days ago · 6 km deep · 89 km away
  3. 1.57km NNE of Cabazon, CA · 17527 days ago · 18 km deep · 59 km away
  4. 1.57km NNE of Cabazon, CA · 17527 days ago · 17 km deep · 59 km away
  5. 2.59km NE of Running Springs, CA · 17527 days ago · 6 km deep · 99 km away
  6. 2.221km SSW of La Quinta, CA · 17527 days ago · 8 km deep · 14 km away
  7. 1.77km SSW of Morongo Valley, CA · 17527 days ago · 10 km deep · 58 km away
  8. 2.69km NE of Running Springs, CA · 17527 days ago · 3 km deep · 99 km away
  9. 2.29km NE of Running Springs, CA · 17528 days ago · 4 km deep · 99 km away
  10. 1.610km NE of Running Springs, CA · 17528 days ago · 5 km deep · 100 km away
  11. 1.810km NE of Running Springs, CA · 17528 days ago · 5 km deep · 100 km away
  12. 1.98km NE of Indio, CA · 17528 days ago · 0 km deep · 51 km away
  13. 2.68km NE of Indio, CA · 17528 days ago · 5 km deep · 51 km away
  14. 1.627km WNW of Desert Center, CA · 17529 days ago · 3 km deep · 90 km away
  15. 1.813km WSW of Niland, CA · 17529 days ago · 5 km deep · 91 km away
  16. 1.822km ENE of Pine Valley, CA · 17529 days ago · 4 km deep · 65 km away
  17. 1.84km ENE of Running Springs, CA · 17530 days ago · 4 km deep · 95 km away
  18. 1.64km ENE of Running Springs, CA · 17530 days ago · 5 km deep · 95 km away
  19. 2.019km N of Borrego Springs, CA · 17530 days ago · 12 km deep · 17 km away
  20. 1.69km NNE of Mecca, CA · 17530 days ago · 14 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3342864. Read Sat, Oct 3, 2026, 3:34 AM UTC.