California earthquakes

M1.5 earthquake 10km SW of Anza, CA

A magnitude 1.5 earthquake struck 10km SW of Anza, CA on Thu, Aug 23, 1990, 8:49 AM PDT (15:49 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 10km WSW of Salton 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
1.5 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1990-08-23 15:49:04 UTC
Depth
10.4 km (6.4 mi), shallow
Epicenter
33.498° N, 116.759° 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.

Depth from
From location
Station coverage gap
95°
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 108 in the 30 days before it.

After

  1. 1.511km N of Borrego Springs, CA · 13191 days ago · 11 km deep · 39 km away
  2. 2.322km NNW of Joshua Tree, CA · 13191 days ago · 9 km deep · 97 km away
  3. 1.95km SSE of Thousand Palms, CA · 13191 days ago · 12 km deep · 47 km away
  4. 1.79km SSW of Idyllwild, CA · 13190 days ago · 15 km deep · 20 km away
  5. 1.75km ESE of Ontario, CA · 13190 days ago · 2 km deep · 96 km away
  6. 2.017km E of Big Bear City, CA · 13190 days ago · 7 km deep · 82 km away
  7. 2.017km E of Big Bear City, CA · 13190 days ago · 6 km deep · 82 km away
  8. 2.017km ESE of Big Bear City, CA · 13189 days ago · 6 km deep · 82 km away
  9. 2.113km E of Julian, CA · 13189 days ago · 13 km deep · 55 km away
  10. 2.120km ESE of Julian, CA · 13189 days ago · 9 km deep · 65 km away
  11. 2.620km ENE of Pine Valley, CA · 13189 days ago · 7 km deep · 75 km away
  12. 1.710km ENE of Pala, CA · 13189 days ago · 3 km deep · 23 km away
  13. 1.520km ENE of Pine Valley, CA · 13188 days ago · 7 km deep · 75 km away
  14. 1.721km ESE of Anza, CA · 13188 days ago · 1 km deep · 28 km away
  15. 1.720km ENE of Pine Valley, CA · 13188 days ago · 4 km deep · 75 km away
  16. 2.12km ENE of Borrego Springs, CA · 13188 days ago · 3 km deep · 46 km away
  17. 1.621km SW of La Quinta, CA · 13188 days ago · 5 km deep · 29 km away
  18. 1.513km E of Borrego Springs, CA · 13188 days ago · 5 km deep · 57 km away
  19. 1.710km N of North Shore, CA · 13188 days ago · 5 km deep · 76 km away
  20. 2.07km NNE of Cabazon, CA · 13187 days ago · 18 km deep · 53 km away
  21. 1.78km N of Cabazon, CA · 13187 days ago · 10 km deep · 55 km away
  22. 1.57km NNE of Running Springs, CA · 13186 days ago · 10 km deep · 90 km away
  23. 3.54km N of Julian, CA · 13186 days ago · 11 km deep · 46 km away
  24. 2.25km ESE of Ontario, CA · 13186 days ago · 3 km deep · 96 km away
  25. 1.78km WNW of Desert Hot Springs, CA · 13186 days ago · 7 km deep · 56 km away
  26. 2.320km ENE of Pine Valley, CA · 13185 days ago · 7 km deep · 75 km away
  27. 1.722km ESE of Ocotillo Wells, CA · 13184 days ago · 4 km deep · 92 km away
  28. 2.017km SSE of Joshua Tree, CA · 13184 days ago · 5 km deep · 71 km away
  29. 1.521km ESE of Anza, CA · 13184 days ago · 3 km deep · 28 km away
  30. 4.110km SW of Salton City, CA · 13184 days ago · 9 km deep · 72 km away
  31. 2.110km SW of Salton City, CA · 13184 days ago · 6 km deep · 72 km away
  32. 2.210km WSW of Salton City, CA · 13184 days ago · 8 km deep · 72 km away
  33. 3.211km SW of Salton City, CA · 13184 days ago · 8 km deep · 72 km away
  34. 1.710km SW of Salton City, CA · 13184 days ago · 4 km deep · 72 km away
  35. 1.711km SW of Salton City, CA · 13184 days ago · 4 km deep · 71 km away
  36. 1.710km SW of Salton City, CA · 13184 days ago · 3 km deep · 73 km away
  37. 2.111km NNE of Ocotillo Wells, CA · 13184 days ago · 10 km deep · 69 km away
  38. 2.811km NNE of Ocotillo Wells, CA · 13184 days ago · 9 km deep · 69 km away
  39. 3.210km SW of Salton City, CA · 13184 days ago · 6 km deep · 72 km away
  40. 2.010km WSW of Salton City, CA · 13184 days ago · 8 km deep · 71 km away
  41. 4.510km WSW of Salton City, CA · 13184 days ago · 8 km deep · 72 km away
  42. 2.023km ESE of Anza, CA · 13184 days ago · 6 km deep · 28 km away
  43. 2.310km SW of Salton City, CA · 13184 days ago · 8 km deep · 72 km away
  44. 2.39km SW of Salton City, CA · 13184 days ago · 3 km deep · 73 km away
  45. 1.811km SW of Salton City, CA · 13184 days ago · 3 km deep · 72 km away
  46. 2.010km WSW of Salton City, CA · 13184 days ago · 6 km deep · 71 km away
  47. 3.311km WSW of Salton City, CA · 13184 days ago · 3 km deep · 71 km away
  48. 1.911km WSW of Salton City, CA · 13184 days ago · 6 km deep · 70 km away
  49. 1.710km WSW of Salton City, CA · 13184 days ago · 3 km deep · 72 km away
  50. 2.111km SW of Salton City, CA · 13184 days ago · 7 km deep · 71 km away
  51. 1.710km WSW of Salton City, CA · 13184 days ago · 6 km deep · 72 km away
  52. 3.310km WSW of Salton City, CA · 13184 days ago · 7 km deep · 71 km away
  53. 1.911km WSW of Salton City, CA · 13184 days ago · 10 km deep · 71 km away
  54. 1.523km SSW of La Quinta, CA · 13184 days ago · 6 km deep · 31 km away
  55. 1.64km NE of Palomar Observatory, CA · 13184 days ago · 9 km deep · 14 km away
  56. 3.210km WSW of Salton City, CA · 13184 days ago · 8 km deep · 72 km away
  57. 1.910km SW of Salton City, CA · 13184 days ago · 7 km deep · 72 km away
  58. 2.010km WSW of Salton City, CA · 13183 days ago · 8 km deep · 72 km away
  59. 1.511km WSW of Salton City, CA · 13183 days ago · 4 km deep · 71 km away
  60. 2.810km SW of Salton City, CA · 13183 days ago · 7 km deep · 72 km away

The first 60 of 192.

Before

  1. 1.911km SW of Morongo Valley, CA · 13192 days ago · 8 km deep · 54 km away
  2. 1.72km ENE of Borrego Springs, CA · 13193 days ago · 2 km deep · 45 km away
  3. 1.918km NNW of Joshua Tree, CA · 13194 days ago · 0 km deep · 93 km away
  4. 2.19km S of Idyllwild, CA · 13194 days ago · 15 km deep · 19 km away
  5. 1.92km ENE of Banning, CA · 13194 days ago · 9 km deep · 49 km away
  6. 1.72km SSE of Aguanga, CA · 13194 days ago · 10 km deep · 12 km away
  7. 2.420km ENE of Pine Valley, CA · 13195 days ago · 8 km deep · 75 km away
  8. 2.53km ENE of Borrego Springs, CA · 13195 days ago · 3 km deep · 47 km away
  9. 1.520km ENE of Pine Valley, CA · 13196 days ago · 6 km deep · 75 km away
  10. 1.519km ENE of Pine Valley, CA · 13196 days ago · 5 km deep · 75 km away
  11. 1.616km NE of Coachella, CA · 13196 days ago · 6 km deep · 73 km away
  12. 1.922km SSW of La Quinta, CA · 13196 days ago · 3 km deep · 31 km away
  13. 1.75km WSW of Salton City, CA · 13197 days ago · 10 km deep · 74 km away
  14. 1.95km SW of Salton City, CA · 13197 days ago · 7 km deep · 75 km away
  15. 2.55km SW of Salton City, CA · 13197 days ago · 6 km deep · 75 km away
  16. 1.95km WSW of Salton City, CA · 13197 days ago · 7 km deep · 74 km away
  17. 1.98km NW of Garnet, CA · 13197 days ago · -1 km deep · 54 km away
  18. 1.915km SSE of Anza, CA · 13198 days ago · 6 km deep · 15 km away
  19. 2.08km NNW of Borrego Springs, CA · 13198 days ago · 5 km deep · 38 km away
  20. 1.96km E of Julian, CA · 13198 days ago · 6 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci2003377. Read Mon, Oct 5, 2026, 3:21 AM UTC.