California earthquakes

M1.5 earthquake 1km ESE of Anza, CA

A magnitude 1.5 earthquake struck 1km ESE of Anza, CA on Mon, Jan 24, 1983, 3:59 AM PST (11:59 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.4 3km N of Fontana, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.5 (mc), micro
Local time
UTC
1983-01-24 11:59:15 UTC
Depth
9.6 km (6.0 mi), shallow
Epicenter
33.551° N, 116.662° 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, 1.0 km in depth
Depth from
From location
Station coverage gap
46°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.43km N of Fontana, CA · 15927 days ago · 6 km deep · 97 km away
  2. 2.35km N of Fontana, CA · 15927 days ago · 6 km deep · 98 km away
  3. 2.518km ESE of Anza, CA · 15927 days ago · 13 km deep · 16 km away
  4. 1.818km ESE of Anza, CA · 15927 days ago · 10 km deep · 16 km away
  5. 2.04km E of Julian, CA · 15927 days ago · 10 km deep · 53 km away
  6. 2.18km SSW of Cabazon, CA · 15926 days ago · 17 km deep · 38 km away
  7. 1.68km ESE of Ocotillo Wells, CA · 15925 days ago · 9 km deep · 75 km away
  8. 1.623km N of Borrego Springs, CA · 15925 days ago · 8 km deep · 25 km away
  9. 1.73km N of Fontana, CA · 15925 days ago · 7 km deep · 97 km away
  10. 2.15km N of Banning, CA · 15925 days ago · 19 km deep · 50 km away
  11. 1.62km S of Loma Linda, CA · 15925 days ago · 16 km deep · 76 km away
  12. 2.28km SW of Morongo Valley, CA · 15925 days ago · -1 km deep · 49 km away
  13. 2.44km NNE of Fontana, CA · 15925 days ago · 5 km deep · 97 km away
  14. 1.718km N of Borrego Springs, CA · 15925 days ago · 11 km deep · 30 km away
  15. 1.85km S of Calimesa, CA · 15925 days ago · 11 km deep · 57 km away
  16. 1.75km SSW of Calimesa, CA · 15925 days ago · 17 km deep · 58 km away
  17. 1.62km SE of Big Bear Lake, CA · 15925 days ago · 8 km deep · 79 km away
  18. 1.54km N of Fontana, CA · 15924 days ago · 4 km deep · 98 km away
  19. 1.920km ESE of Anza, CA · 15924 days ago · 3 km deep · 19 km away
  20. 1.511km N of Borrego Springs, CA · 15924 days ago · 11 km deep · 36 km away
  21. 2.020km SSW of Ocotillo Wells, CA · 15924 days ago · 12 km deep · 76 km away
  22. 1.621km ESE of Anza, CA · 15923 days ago · 5 km deep · 20 km away
  23. 1.74km N of Fontana, CA · 15923 days ago · 7 km deep · 97 km away
  24. 1.86km WNW of Lake Henshaw, CA · 15923 days ago · 10 km deep · 35 km away
  25. 1.93km N of Fontana, CA · 15923 days ago · 7 km deep · 98 km away
  26. 2.54km N of Fontana, CA · 15923 days ago · 5 km deep · 97 km away
  27. 1.74km NNE of Fontana, CA · 15923 days ago · 6 km deep · 97 km away
  28. 1.74km NNE of Fontana, CA · 15923 days ago · 6 km deep · 97 km away
  29. 1.922km NE of Thermal, CA · 15923 days ago · -1 km deep · 70 km away
  30. 2.320km W of Westmorland, CA · 15923 days ago · 5 km deep · 98 km away
  31. 1.819km WSW of Westmorland, CA · 15923 days ago · 4 km deep · 99 km away
  32. 1.87km SSW of Salton City, CA · 15923 days ago · 4 km deep · 72 km away
  33. 1.98km NNE of Indio, CA · 15923 days ago · 3 km deep · 52 km away
  34. 1.522km NE of Thermal, CA · 15923 days ago · -1 km deep · 70 km away
  35. 1.723km NE of Thermal, CA · 15923 days ago · -1 km deep · 70 km away
  36. 1.822km NE of Thermal, CA · 15923 days ago · 0 km deep · 70 km away
  37. 2.89km ENE of Nuevo, CA · 15923 days ago · 14 km deep · 48 km away
  38. 1.90km NNE of Anza, CA · 15922 days ago · 8 km deep · 1 km away
  39. 2.111km NW of Julian, CA · 15922 days ago · 15 km deep · 46 km away
  40. 3.312km NW of Ocotillo, CA · 15922 days ago · 15 km deep · 98 km away
  41. 1.918km N of Ocotillo, CA · 15922 days ago · 7 km deep · 98 km away
  42. 1.519km NNE of Ocotillo, CA · 15922 days ago · 9 km deep · 98 km away
  43. 1.522km SW of Ocotillo Wells, CA · 15922 days ago · 4 km deep · 67 km away
  44. 2.05km W of Borrego Springs, CA · 15921 days ago · 3 km deep · 40 km away
  45. 1.84km W of Borrego Springs, CA · 15921 days ago · 3 km deep · 40 km away
  46. 1.813km SE of Anza, CA · 15921 days ago · 7 km deep · 12 km away
  47. 1.58km NNE of Indio, CA · 15921 days ago · 2 km deep · 51 km away
  48. 1.813km SE of Anza, CA · 15921 days ago · 7 km deep · 12 km away
  49. 1.66km W of Anza, CA · 15921 days ago · 3 km deep · 8 km away
  50. 1.92km SE of Loma Linda, CA · 15920 days ago · 17 km deep · 76 km away
  51. 1.717km SE of Ocotillo Wells, CA · 15920 days ago · 6 km deep · 84 km away
  52. 2.317km SE of Ocotillo Wells, CA · 15920 days ago · 6 km deep · 84 km away
  53. 2.214km SE of Anza, CA · 15920 days ago · 12 km deep · 13 km away
  54. 2.54km N of Fontana, CA · 15919 days ago · 4 km deep · 98 km away
  55. 1.713km SE of Anza, CA · 15919 days ago · 7 km deep · 12 km away
  56. 2.16km SW of Idyllwild, CA · 15919 days ago · 11 km deep · 20 km away
  57. 1.56km SE of Valle Vista, CA · 15918 days ago · 16 km deep · 24 km away
  58. 2.110km S of Banning, CA · 15918 days ago · 14 km deep · 37 km away
  59. 2.316km SE of Ocotillo Wells, CA · 15918 days ago · 12 km deep · 82 km away
  60. 1.622km NE of Thermal, CA · 15918 days ago · 1 km deep · 70 km away

The first 60 of 181.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci502890. Read Tue, Sep 22, 2026, 10:31 PM UTC.