California earthquakes

M1.9 earthquake 18km SSE of Joshua Tree, CA

A magnitude 1.9 earthquake struck 18km SSE of Joshua Tree, CA on Thu, Feb 26, 1981, 4:39 PM PST (00:39 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.0 10km NE of Aguanga, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (mh), micro
Local time
UTC
1981-02-27 00:39:36 UTC
Depth
5.1 km (3.2 mi), shallow
Epicenter
33.977° N, 116.275° 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 1.3 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.48
Depth from
Operator assigned
Station coverage gap
196°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.010km NE of Aguanga, CA · 16642 days ago · 3 km deep · 71 km away
  2. 1.68km SW of Beaumont, CA · 16640 days ago · 15 km deep · 71 km away
  3. 1.717km S of Borrego Springs, CA · 16640 days ago · 5 km deep · 97 km away
  4. 1.77km SSE of Big Bear Lake, CA · 16640 days ago · 10 km deep · 61 km away
  5. 1.69km NE of Aguanga, CA · 16640 days ago · 4 km deep · 72 km away
  6. 1.98km NE of Aguanga, CA · 16640 days ago · 4 km deep · 73 km away
  7. 1.67km NE of Aguanga, CA · 16639 days ago · 10 km deep · 74 km away
  8. 1.912km WSW of Morongo Valley, CA · 16639 days ago · 15 km deep · 39 km away
  9. 1.612km WSW of Morongo Valley, CA · 16639 days ago · 15 km deep · 39 km away
  10. 1.86km NNE of Beaumont, CA · 16638 days ago · 18 km deep · 63 km away
  11. 1.64km W of Redlands, CA · 16638 days ago · 5 km deep · 88 km away
  12. 1.99km SSW of Idyllwild, CA · 16638 days ago · 12 km deep · 56 km away
  13. 1.69km SW of Beaumont, CA · 16637 days ago · 15 km deep · 72 km away
  14. 1.53km NNW of Colton, CA · 16637 days ago · 8 km deep · 98 km away
  15. 1.77km SW of Salton City, CA · 16636 days ago · 5 km deep · 84 km away
  16. 1.52km ENE of Banning, CA · 16636 days ago · 3 km deep · 54 km away
  17. 1.82km NE of Banning, CA · 16636 days ago · 3 km deep · 54 km away
  18. 2.010km NE of Aguanga, CA · 16636 days ago · 4 km deep · 70 km away
  19. 2.02km SE of Garnet, CA · 16635 days ago · 11 km deep · 25 km away
  20. 2.511km NE of Aguanga, CA · 16635 days ago · 5 km deep · 70 km away
  21. 1.610km WSW of Anza, CA · 16634 days ago · -1 km deep · 69 km away
  22. 2.410km NE of Aguanga, CA · 16634 days ago · 5 km deep · 71 km away
  23. 1.61km ESE of Garnet, CA · 16634 days ago · 13 km deep · 26 km away
  24. 1.710km NE of Aguanga, CA · 16634 days ago · 4 km deep · 70 km away
  25. 1.624km NNW of Yucca Valley, CA · 16633 days ago · 2 km deep · 44 km away
  26. 1.614km NE of Thousand Palms, CA · 16633 days ago · 0 km deep · 7 km away
  27. 1.59km S of Yucca Valley, CA · 16633 days ago · 8 km deep · 17 km away
  28. 1.84km NNE of Cabazon, CA · 16633 days ago · 14 km deep · 45 km away
  29. 1.64km E of San Jacinto, CA · 16632 days ago · 10 km deep · 63 km away
  30. 2.09km NE of Aguanga, CA · 16632 days ago · 5 km deep · 72 km away
  31. 1.69km NE of Aguanga, CA · 16631 days ago · 4 km deep · 72 km away
  32. 1.712km N of Borrego Springs, CA · 16631 days ago · 12 km deep · 69 km away
  33. 1.512km SSE of Joshua Tree, CA · 16631 days ago · -1 km deep · 8 km away
  34. 2.68km NE of Aguanga, CA · 16631 days ago · 4 km deep · 73 km away
  35. 1.62km W of Lake Henshaw, CA · 16630 days ago · 5 km deep · 95 km away
  36. 2.211km NE of Aguanga, CA · 16630 days ago · 5 km deep · 70 km away
  37. 1.79km ESE of Anza, CA · 16629 days ago · 11 km deep · 58 km away
  38. 1.810km NE of Aguanga, CA · 16629 days ago · 4 km deep · 70 km away
  39. 1.613km SE of Anza, CA · 16628 days ago · 9 km deep · 61 km away
  40. 2.022km N of Yucca Valley, CA · 16628 days ago · -1 km deep · 41 km away
  41. 2.011km SW of Salton City, CA · 16627 days ago · 6 km deep · 86 km away
  42. 2.09km S of Warner Springs, CA · 16627 days ago · 15 km deep · 93 km away
  43. 1.910km SW of Anza, CA · 16627 days ago · 3 km deep · 69 km away
  44. 1.66km NNE of Cabazon, CA · 16626 days ago · 13 km deep · 45 km away
  45. 2.011km ENE of Cabazon, CA · 16626 days ago · 15 km deep · 38 km away
  46. 1.622km S of Twentynine Palms, CA · 16626 days ago · 5 km deep · 22 km away
  47. 1.69km SW of Beaumont, CA · 16625 days ago · 8 km deep · 71 km away
  48. 1.98km WSW of Lake Henshaw, CA · 16625 days ago · 11 km deep · 100 km away
  49. 3.76km NNE of Yucaipa, CA · 16625 days ago · 10 km deep · 69 km away
  50. 2.02km NE of Loma Linda, CA · 16624 days ago · 15 km deep · 90 km away
  51. 1.64km NNE of San Bernardino, CA · 16624 days ago · 3 km deep · 95 km away
  52. 1.618km ENE of Lucerne Valley, CA · 16624 days ago · 4 km deep · 79 km away
  53. 1.628km N of Twentynine Palms, CA · 16624 days ago · 5 km deep · 50 km away
  54. 2.57km SE of Valle Vista, CA · 16623 days ago · 15 km deep · 60 km away
  55. 1.821km ESE of Anza, CA · 16623 days ago · 18 km deep · 57 km away
  56. 1.99km NE of Aguanga, CA · 16622 days ago · 8 km deep · 72 km away
  57. 1.822km SW of Ludlow, CA · 16622 days ago · 5 km deep · 70 km away
  58. 1.916km NE of Thousand Palms, CA · 16622 days ago · 4 km deep · 9 km away
  59. 1.75km SSW of Idyllwild, CA · 16622 days ago · 16 km deep · 53 km away
  60. 1.917km NE of Thousand Palms, CA · 16621 days ago · 5 km deep · 8 km away

The first 60 of 180.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci12261663. Read Wed, Sep 23, 2026, 3:51 AM UTC.