California earthquakes

M2.1 earthquake 17km W of Oasis, CA

A magnitude 2.1 earthquake struck 17km W of Oasis, CA on Wed, Aug 21, 2002, 2:07 PM PDT (21:07 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.3 9km N of Ocotillo Wells, CA. This one was a foreshock.

Oasis 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
2.1 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-08-21 21:07:53 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
33.483° N, 116.283° 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 0.3 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
27°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 96 in the 30 days before it.

After

  1. 1.86km ENE of Anza, CA · 8809 days ago · 13 km deep · 33 km away
  2. 2.016km SE of Anza, CA · 8808 days ago · 13 km deep · 23 km away
  3. 2.214km WNW of Calipatria, CA · 8807 days ago · 2 km deep · 68 km away
  4. 2.04km SE of Ocotillo Wells, California · 8807 days ago · 6 km deep · 44 km away
  5. 1.710km SW of Niland, California · 8806 days ago · 2 km deep · 71 km away
  6. 1.64km SE of Garnet, CA · 8806 days ago · 3 km deep · 49 km away
  7. 2.07km SW of Niland, CA · 8806 days ago · 3 km deep · 74 km away
  8. 1.86km E of Calimesa, CA · 8806 days ago · 18 km deep · 86 km away
  9. 1.815km N of Yucca Valley, CA · 8805 days ago · 2 km deep · 87 km away
  10. 1.810km NE of Ocotillo Wells, CA · 8804 days ago · 8 km deep · 38 km away
  11. 1.613km N of Borrego Springs, CA · 8804 days ago · 12 km deep · 16 km away
  12. 1.728km N of Yucca Valley, CA · 8804 days ago · 7 km deep · 99 km away
  13. 2.126km N of Yucca Valley, CA · 8804 days ago · 3 km deep · 98 km away
  14. 2.08km NNE of Beaumont, CA · 8803 days ago · 9 km deep · 84 km away
  15. 2.28km NNE of Beaumont, CA · 8803 days ago · 9 km deep · 84 km away
  16. 1.66km N of Yucca Valley, CA · 8801 days ago · 9 km deep · 77 km away
  17. 1.67km SW of Niland, CA · 8801 days ago · 3 km deep · 74 km away
  18. 1.68km NE of Moreno Valley, CA · 8801 days ago · 12 km deep · 97 km away
  19. 1.73km E of San Jacinto, CA · 8801 days ago · 12 km deep · 68 km away
  20. 1.513km WNW of Calipatria, California · 8801 days ago · 2 km deep · 69 km away
  21. 1.71km NE of Westmorland, CA · 8800 days ago · 13 km deep · 79 km away
  22. 2.91km N of Westmorland, CA · 8800 days ago · 15 km deep · 79 km away
  23. 2.62km NE of Westmorland, CA · 8800 days ago · 14 km deep · 79 km away
  24. 1.88km WNW of Calipatria, CA · 8800 days ago · 17 km deep · 75 km away
  25. 3.81km NE of Westmorland, CA · 8800 days ago · 14 km deep · 79 km away
  26. 2.61km ENE of Westmorland, CA · 8800 days ago · 12 km deep · 80 km away
  27. 2.92km NE of Westmorland, California · 8800 days ago · 6 km deep · 80 km away
  28. 2.82km NE of Westmorland, CA · 8800 days ago · 16 km deep · 79 km away
  29. 2.62km NE of Westmorland, CA · 8800 days ago · 14 km deep · 79 km away
  30. 2.82km NNE of Westmorland, CA · 8800 days ago · 16 km deep · 79 km away
  31. 2.62km N of Westmorland, CA · 8800 days ago · 15 km deep · 78 km away
  32. 2.04km NNE of Westmorland, CA · 8800 days ago · 16 km deep · 79 km away
  33. 1.87km N of Westmorland, CA · 8800 days ago · 20 km deep · 76 km away
  34. 1.77km NNE of Westmorland, CA · 8800 days ago · 19 km deep · 77 km away
  35. 1.515km N of Yucca Valley, CA · 8799 days ago · 4 km deep · 87 km away
  36. 1.910km NNE of Borrego Springs, CA · 8799 days ago · 12 km deep · 16 km away
  37. 1.72km NE of Westmorland, CA · 8798 days ago · 13 km deep · 80 km away
  38. 1.610km SW of Idyllwild, CA · 8798 days ago · 14 km deep · 53 km away
  39. 1.713km ENE of Borrego Springs, CA · 8797 days ago · 9 km deep · 20 km away
  40. 1.85km E of Calimesa, CA · 8796 days ago · 13 km deep · 86 km away
  41. 2.88km NNW of Anza, CA · 8796 days ago · 13 km deep · 41 km away
  42. 1.79km SW of Idyllwild, CA · 8796 days ago · 15 km deep · 52 km away
  43. 2.04km ESE of Big Bear City, CA · 8796 days ago · 1 km deep · 98 km away
  44. 1.714km NE of Yucaipa, CA · 8796 days ago · 2 km deep · 91 km away
  45. 2.027km N of Yucca Valley, CA · 8795 days ago · 7 km deep · 98 km away
  46. 1.99km SW of Niland, CA · 8795 days ago · 4 km deep · 72 km away
  47. 1.612km SE of Ocotillo, CA · 8795 days ago · 9 km deep · 98 km away
  48. 2.726km N of Yucca Valley, CA · 8795 days ago · 7 km deep · 97 km away
  49. 1.726km N of Yucca Valley, CA · 8795 days ago · 8 km deep · 97 km away
  50. 1.625km N of Yucca Valley, California · 8795 days ago · 6 km deep · 97 km away
  51. 1.727km N of Yucca Valley, California · 8794 days ago · 4 km deep · 98 km away
  52. 1.719km NNW of Borrego Springs, CA · 8794 days ago · 14 km deep · 18 km away
  53. 1.711km NNE of Cabazon, CA · 8793 days ago · 12 km deep · 74 km away
  54. 1.612km ESE of Julian, CA · 8792 days ago · 14 km deep · 51 km away
  55. 1.816km SSW of Borrego Springs, CA · 8792 days ago · 6 km deep · 42 km away
  56. 2.229km N of Yucca Valley, CA · 8792 days ago · 2 km deep · 100 km away
  57. 2.018km SW of Ocotillo, CA · 8791 days ago · 10 km deep · 96 km away
  58. 1.618km SW of Ocotillo, CA · 8791 days ago · 11 km deep · 96 km away
  59. 1.718km SW of Ocotillo, CA · 8791 days ago · 9 km deep · 96 km away
  60. 1.612km SSE of Big Bear City, CA · 8790 days ago · 3 km deep · 90 km away

The first 60 of 188.

Before

  1. 1.67km E of Moreno Valley, California · 8810 days ago · 12 km deep · 94 km away
  2. 1.57km E of Moreno Valley, CA · 8810 days ago · 13 km deep · 94 km away
  3. 1.88km E of Moreno Valley, California · 8810 days ago · 8 km deep · 93 km away
  4. 1.622km NNW of Borrego Springs, CA · 8810 days ago · 12 km deep · 17 km away
  5. 1.810km NE of Ocotillo Wells, CA · 8810 days ago · 7 km deep · 39 km away
  6. 2.222km N of Yucca Valley, CA · 8811 days ago · 1 km deep · 94 km away
  7. 1.614km NNW of Joshua Tree, CA · 8811 days ago · 3 km deep · 85 km away
  8. 1.64km W of San Jacinto, CA · 8812 days ago · 14 km deep · 74 km away
  9. 2.16km N of Lake Henshaw, CA · 8812 days ago · 9 km deep · 49 km away
  10. 1.811km N of Borrego Springs, CA · 8812 days ago · 11 km deep · 16 km away
  11. 1.723km N of Yucca Valley, CA · 8812 days ago · 7 km deep · 94 km away
  12. 2.413km SE of Ocotillo, CA · 8812 days ago · 2 km deep · 99 km away
  13. 1.514km ESE of Anza, CA · 8813 days ago · 11 km deep · 23 km away
  14. 1.98km NNW of Borrego Springs, CA · 8813 days ago · 6 km deep · 22 km away
  15. 1.98km NNW of Borrego Springs, CA · 8813 days ago · 6 km deep · 22 km away
  16. 1.76km NE of Imperial, California · 8813 days ago · 15 km deep · 97 km away
  17. 2.012km WSW of Salton City, CA · 8814 days ago · 11 km deep · 33 km away
  18. 1.912km WSW of Salton City, CA · 8814 days ago · 11 km deep · 32 km away
  19. 1.58km WNW of Palomar Observatory, CA · 8814 days ago · 13 km deep · 63 km away
  20. 2.35km NW of San Jacinto, CA · 8814 days ago · 11 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9812973. Read Sun, Oct 4, 2026, 12:48 PM UTC.