California earthquakes

M1.5 earthquake 33km NNW of Fort Irwin, CA

A magnitude 1.5 earthquake struck 33km NNW of Fort Irwin, CA on Fri, Sep 21, 1990, 1:34 AM PDT (08:34 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.7 45km ENE of Trona, CA. This one was a foreshock.

Fort Irwin 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 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1990-09-21 08:34:37 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
35.525° N, 116.854° 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
Operator assigned
Station coverage gap
195°, poorly surrounded by stations
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: 39 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 2.518km N of Ridgecrest, CA · 13161 days ago · 3 km deep · 77 km away
  2. 1.713km NW of Fort Irwin, CA · 13160 days ago · 3 km deep · 21 km away
  3. 1.821km E of Coso Junction, CA · 13156 days ago · 1 km deep · 97 km away
  4. 1.623km ENE of Johannesburg, CA · 13152 days ago · 11 km deep · 49 km away
  5. 2.139km W of Shoshone, CA · 13152 days ago · 5 km deep · 50 km away
  6. 2.310km E of Ridgecrest, CA · 13151 days ago · 0 km deep · 66 km away
  7. 2.020km SE of Little Lake, CA · 13151 days ago · 3 km deep · 86 km away
  8. 1.725km ENE of Coso Junction, CA · 13147 days ago · 0 km deep · 99 km away
  9. 1.725km N of Searles Valley, CA · 13147 days ago · 5 km deep · 75 km away
  10. 1.76km E of Johannesburg, CA · 13146 days ago · 3 km deep · 67 km away
  11. 2.212km SSW of Johannesburg, CA · 13142 days ago · 8 km deep · 82 km away
  12. 2.432km E of Johannesburg, CA · 13140 days ago · 3 km deep · 43 km away
  13. 2.531km WSW of Tecopa, CA · 13137 days ago · 5 km deep · 36 km away
  14. 1.921km ENE of Little Lake, CA · 13135 days ago · 1 km deep · 96 km away
  15. 1.921km ENE of Little Lake, CA · 13135 days ago · 1 km deep · 96 km away
  16. 1.613km NE of Little Lake, CA · 13134 days ago · 0 km deep · 100 km away
  17. 2.020km SE of Little Lake, CA · 13134 days ago · 4 km deep · 86 km away
  18. 2.020km SE of Little Lake, CA · 13134 days ago · 4 km deep · 87 km away
  19. 1.825km E of Little Lake, CA · 13126 days ago · 2 km deep · 82 km away
  20. 1.614km SW of Searles Valley, CA · 13126 days ago · 10 km deep · 63 km away
  21. 1.712km NE of Boron, CA · 13126 days ago · 5 km deep · 81 km away
  22. 2.745km ENE of Trona, CA · 13126 days ago · 5 km deep · 41 km away
  23. 1.746km ENE of Trona, CA · 13126 days ago · 5 km deep · 41 km away
  24. 1.923km N of Searles Valley, CA · 13124 days ago · 0 km deep · 68 km away
  25. 2.44km WNW of Fort Irwin, CA · 13122 days ago · 10 km deep · 30 km away
  26. 1.721km W of Johannesburg, CA · 13120 days ago · 8 km deep · 94 km away
  27. 2.324km ESE of Boron, CA · 13119 days ago · 2 km deep · 88 km away
  28. 1.518km ENE of Little Lake, CA · 13119 days ago · 0 km deep · 95 km away
  29. 1.618km ENE of Little Lake, CA · 13119 days ago · 0 km deep · 95 km away
  30. 1.738km E of Johannesburg, CA · 13117 days ago · 13 km deep · 38 km away
  31. 2.125km E of Barstow, CA · 13117 days ago · 5 km deep · 66 km away
  32. 2.325km E of Barstow, CA · 13117 days ago · 5 km deep · 66 km away
  33. 2.326km E of Barstow, CA · 13116 days ago · 5 km deep · 67 km away
  34. 1.743km ESE of Trona, CA · 13115 days ago · 5 km deep · 17 km away
  35. 1.620km ENE of Little Lake, CA · 13113 days ago · 0 km deep · 96 km away
  36. 2.57km NNE of Trona, CA · 13109 days ago · 5 km deep · 57 km away
  37. 1.925km E of Barstow, CA · 13108 days ago · 5 km deep · 66 km away
  38. 2.324km S of Trona, CA · 13107 days ago · 6 km deep · 49 km away
  39. 1.918km ENE of Little Lake, CA · 13103 days ago · 1 km deep · 95 km away

Before

  1. 1.519km N of Ridgecrest, CA · 13165 days ago · 3 km deep · 77 km away
  2. 1.732km SSW of Baker, CA · 13166 days ago · 5 km deep · 79 km away
  3. 1.727km N of Searles Valley, CA · 13168 days ago · 5 km deep · 74 km away
  4. 2.120km SW of Fort Irwin, CA · 13169 days ago · 5 km deep · 43 km away
  5. 1.521km SW of Fort Irwin, CA · 13169 days ago · 5 km deep · 45 km away
  6. 1.918km N of Ridgecrest, CA · 13169 days ago · 3 km deep · 77 km away
  7. 1.623km E of Johannesburg, CA · 13174 days ago · 6 km deep · 50 km away
  8. 1.720km N of Ridgecrest, CA · 13178 days ago · 5 km deep · 79 km away
  9. 1.511km SSW of Johannesburg, CA · 13179 days ago · 4 km deep · 80 km away
  10. 2.021km ESE of Ridgecrest, CA · 13179 days ago · 2 km deep · 56 km away
  11. 1.527km E of Coso Junction, CA · 13181 days ago · 0 km deep · 95 km away
  12. 1.515km ENE of Little Lake, CA · 13183 days ago · 4 km deep · 94 km away
  13. 1.515km ESE of Johannesburg, CA · 13184 days ago · 13 km deep · 62 km away
  14. 2.114km NNE of Barstow, CA · 13185 days ago · 4 km deep · 58 km away
  15. 1.730km NNW of Searles Valley, CA · 13188 days ago · 5 km deep · 83 km away
  16. 1.517km SE of Johannesburg, CA · 13188 days ago · 5 km deep · 63 km away
  17. 1.618km ENE of Little Lake, CA · 13190 days ago · 0 km deep · 94 km away
  18. 1.711km NW of Fort Irwin, CA · 13190 days ago · 3 km deep · 23 km away
  19. 1.512km NW of Fort Irwin, CA · 13190 days ago · 3 km deep · 21 km away
  20. 2.212km NW of Fort Irwin, CA · 13190 days ago · 3 km deep · 21 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci2005149. Read Mon, Oct 5, 2026, 9:18 AM UTC.