California earthquakes

M2.3 earthquake 22km ESE of Anza, CA

A magnitude 2.3 earthquake struck 22km ESE of Anza, CA on Mon, Jan 9, 1978, 8:44 AM PST (16:44 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.7 13km ENE of Big Bear 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
2.3 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-01-09 16:44:11 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
33.489° N, 116.444° 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 0.6 km horizontally, 1.5 km in depth
Depth from
From location
Station coverage gap
68°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 122 in the 30 days before it.

After

  1. 2.511km SW of Morongo Valley, CA · 17799 days ago · 17 km deep · 59 km away
  2. 1.515km NNW of Ocotillo Wells, CA · 17799 days ago · 14 km deep · 34 km away
  3. 1.917km ESE of Julian, CA · 17798 days ago · 13 km deep · 50 km away
  4. 1.81km WNW of Yucaipa, CA · 17798 days ago · 3 km deep · 83 km away
  5. 2.09km W of Anza, CA · 17798 days ago · 5 km deep · 31 km away
  6. 1.74km SW of Salton City, CA · 17798 days ago · 5 km deep · 49 km away
  7. 2.710km SSW of Idyllwild, CA · 17798 days ago · 11 km deep · 35 km away
  8. 1.512km NW of Twentynine Palms, CA · 17798 days ago · 4 km deep · 84 km away
  9. 1.510km S of Idyllwild, CA · 17797 days ago · 14 km deep · 33 km away
  10. 1.64km W of Salton City, CA · 17796 days ago · 1 km deep · 47 km away
  11. 2.66km SW of Salton City, CA · 17796 days ago · 4 km deep · 49 km away
  12. 1.52km SSW of Westmorland, CA · 17796 days ago · 0 km deep · 92 km away
  13. 1.66km SW of Salton City, CA · 17796 days ago · 5 km deep · 48 km away
  14. 2.09km SSE of Redlands, CA · 17795 days ago · 9 km deep · 85 km away
  15. 1.62km N of Loma Linda, CA · 17795 days ago · 6 km deep · 99 km away
  16. 2.63km SSE of Loma Linda, CA · 17795 days ago · 9 km deep · 95 km away
  17. 1.75km E of Calimesa, CA · 17795 days ago · 9 km deep · 76 km away
  18. 1.85km E of Calimesa, CA · 17795 days ago · 8 km deep · 76 km away
  19. 1.711km NNE of Cabazon, CA · 17795 days ago · 20 km deep · 63 km away
  20. 1.610km W of Twentynine Palms, CA · 17795 days ago · 8 km deep · 78 km away
  21. 1.812km WNW of Calipatria, CA · 17794 days ago · 13 km deep · 84 km away
  22. 1.87km ENE of Running Springs, CA · 17794 days ago · 3 km deep · 100 km away
  23. 2.03km NE of Joshua Tree, CA · 17793 days ago · 0 km deep · 75 km away
  24. 1.721km SW of Westmorland, CA · 17793 days ago · 10 km deep · 88 km away
  25. 1.724km WNW of Ocotillo, CA · 17792 days ago · 5 km deep · 77 km away
  26. 1.65km SW of Cabazon, CA · 17792 days ago · 17 km deep · 56 km away
  27. 2.16km ENE of Westmorland, CA · 17792 days ago · 10 km deep · 94 km away
  28. 2.819km ESE of Anza, CA · 17791 days ago · 14 km deep · 5 km away
  29. 1.519km SSW of La Quinta, CA · 17791 days ago · 13 km deep · 4 km away
  30. 1.59km NW of San Jacinto, CA · 17791 days ago · 15 km deep · 66 km away
  31. 1.58km WNW of San Jacinto, CA · 17791 days ago · 15 km deep · 66 km away
  32. 1.913km SE of Anza, CA · 17790 days ago · 6 km deep · 13 km away
  33. 1.59km N of Cabazon, CA · 17790 days ago · 13 km deep · 65 km away
  34. 2.53km SE of Redlands, CA · 17790 days ago · 14 km deep · 90 km away
  35. 2.28km NNW of Anza, CA · 17790 days ago · 13 km deep · 29 km away
  36. 2.028km ENE of Pine Valley, CA · 17790 days ago · 6 km deep · 66 km away
  37. 1.527km ENE of Pine Valley, CA · 17790 days ago · 7 km deep · 66 km away
  38. 2.27km SW of Idyllwild, CA · 17790 days ago · 16 km deep · 39 km away
  39. 1.76km S of Idyllwild, CA · 17789 days ago · 16 km deep · 34 km away
  40. 2.111km SE of Anza, CA · 17789 days ago · 8 km deep · 14 km away
  41. 1.912km WNW of Garnet, CA · 17789 days ago · 12 km deep · 54 km away
  42. 1.812km WNW of Garnet, CA · 17789 days ago · 10 km deep · 55 km away
  43. 1.98km NE of Yucca Valley, CA · 17788 days ago · 1 km deep · 76 km away
  44. 1.95km ENE of Yucaipa, CA · 17788 days ago · 11 km deep · 80 km away
  45. 1.93km ESE of Yucaipa, CA · 17788 days ago · 18 km deep · 80 km away
  46. 1.88km WNW of Joshua Tree, CA · 17788 days ago · 4 km deep · 76 km away
  47. 1.67km WNW of Joshua Tree, CA · 17788 days ago · 3 km deep · 75 km away
  48. 2.25km NW of San Jacinto, CA · 17788 days ago · 12 km deep · 63 km away
  49. 2.47km NE of Yucca Valley, CA · 17787 days ago · 4 km deep · 75 km away
  50. 1.67km NE of Yucca Valley, CA · 17787 days ago · 5 km deep · 75 km away
  51. 2.17km NE of Yucca Valley, CA · 17787 days ago · 1 km deep · 75 km away
  52. 1.67km WNW of Joshua Tree, CA · 17787 days ago · 6 km deep · 75 km away
  53. 1.512km NE of Cabazon, CA · 17787 days ago · 14 km deep · 61 km away
  54. 1.910km ESE of Anza, CA · 17787 days ago · 10 km deep · 13 km away
  55. 2.09km NE of Aguanga, CA · 17787 days ago · 5 km deep · 32 km away
  56. 2.27km NE of Yucca Valley, CA · 17787 days ago · 0 km deep · 75 km away
  57. 2.24km ENE of Westmorland, CA · 17787 days ago · 10 km deep · 94 km away
  58. 1.64km ENE of Westmorland, CA · 17787 days ago · 10 km deep · 93 km away
  59. 2.15km ENE of Westmorland, CA · 17787 days ago · 10 km deep · 95 km away
  60. 1.87km WNW of Joshua Tree, CA · 17787 days ago · 1 km deep · 76 km away

The first 60 of 178.

Before

  1. 1.55km S of Salton City, CA · 17800 days ago · 10 km deep · 53 km away
  2. 1.511km N of Joshua Tree, CA · 17800 days ago · 0 km deep · 84 km away
  3. 1.64km ESE of Loma Linda, CA · 17800 days ago · 17 km deep · 94 km away
  4. 1.65km SSW of Redlands, CA · 17800 days ago · 15 km deep · 91 km away
  5. 2.012km W of Niland, CA · 17800 days ago · 0 km deep · 79 km away
  6. 1.513km SSE of Bombay Beach, CA · 17800 days ago · 0 km deep · 76 km away
  7. 2.511km W of Niland, CA · 17800 days ago · 4 km deep · 80 km away
  8. 1.74km SSE of Aguanga, CA · 17800 days ago · 2 km deep · 38 km away
  9. 2.02km E of San Jacinto, CA · 17801 days ago · 5 km deep · 56 km away
  10. 1.712km N of Thousand Palms, CA · 17801 days ago · 3 km deep · 49 km away
  11. 2.29km E of Borrego Springs, CA · 17801 days ago · 5 km deep · 31 km away
  12. 2.012km NE of Borrego Springs, CA · 17802 days ago · 12 km deep · 21 km away
  13. 2.110km W of Niland, CA · 17802 days ago · 3 km deep · 81 km away
  14. 1.57km E of North Shore, CA · 17802 days ago · 2 km deep · 54 km away
  15. 1.68km ENE of Moreno Valley, CA · 17803 days ago · 16 km deep · 83 km away
  16. 1.76km ESE of Valle Vista, CA · 17803 days ago · 16 km deep · 44 km away
  17. 2.47km E of North Shore, CA · 17803 days ago · 2 km deep · 54 km away
  18. 1.78km ENE of North Shore, CA · 17803 days ago · 6 km deep · 54 km away
  19. 2.56km ESE of North Shore, CA · 17803 days ago · 2 km deep · 53 km away
  20. 2.36km E of North Shore, CA · 17804 days ago · 3 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9997206. Read Sun, Oct 4, 2026, 3:12 AM UTC.