California earthquakes

M1.6 earthquake 11km WSW of Anza, CA

A magnitude 1.6 earthquake struck 11km WSW of Anza, CA on Mon, Feb 16, 1981, 1:17 AM PST (09:17 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.2 11km N of Yucca Valley, 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
1.6 (mh), micro
Local time
UTC
1981-02-16 09:17:46 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
33.507° N, 116.776° 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 0.8 km horizontally, 11.8 km in depth
Magnitude uncertainty
±0.36
Depth from
From location
Station coverage gap
90°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.514km SSE of Joshua Tree, CA · 16651 days ago · -1 km deep · 75 km away
  2. 2.211km N of Yucca Valley, CA · 16650 days ago · -1 km deep · 85 km away
  3. 2.317km NNE of Indio, CA · 16650 days ago · 4 km deep · 69 km away
  4. 3.122km ESE of Anza, CA · 16649 days ago · 5 km deep · 30 km away
  5. 2.618km NNE of Pine Valley, CA · 16649 days ago · 7 km deep · 68 km away
  6. 1.618km NNE of Indio, CA · 16649 days ago · 4 km deep · 71 km away
  7. 2.99km NNE of Ocotillo Wells, CA · 16649 days ago · 6 km deep · 72 km away
  8. 3.410km SSW of Idyllwild, CA · 16649 days ago · 11 km deep · 16 km away
  9. 2.58km SSW of Idyllwild, CA · 16649 days ago · 10 km deep · 18 km away
  10. 2.18km SSW of Idyllwild, CA · 16649 days ago · 14 km deep · 18 km away
  11. 1.66km SSW of Salton City, CA · 16649 days ago · 6 km deep · 79 km away
  12. 2.56km SSW of Salton City, CA · 16649 days ago · 13 km deep · 80 km away
  13. 1.93km E of Colton, CA · 16648 days ago · 16 km deep · 78 km away
  14. 1.76km SE of Loma Linda, CA · 16648 days ago · 15 km deep · 69 km away
  15. 2.52km ESE of Loma Linda, CA · 16647 days ago · 15 km deep · 73 km away
  16. 1.510km NE of Aguanga, CA · 16645 days ago · 4 km deep · 1 km away
  17. 1.722km NNW of Yucca Valley, CA · 16645 days ago · 2 km deep · 92 km away
  18. 1.69km WNW of Twentynine Palms, CA · 16644 days ago · 8 km deep · 94 km away
  19. 2.18km NE of Aguanga, CA · 16644 days ago · 3 km deep · 3 km away
  20. 1.918km SSE of Joshua Tree, CA · 16644 days ago · 5 km deep · 70 km away
  21. 1.911km NE of Trabuco Canyon, CA · 16644 days ago · 7 km deep · 72 km away
  22. 1.72km SSE of Loma Linda, CA · 16644 days ago · 15 km deep · 73 km away
  23. 1.518km S of Joshua Tree, CA · 16643 days ago · 2 km deep · 70 km away
  24. 1.910km NE of Aguanga, CA · 16643 days ago · 5 km deep · 1 km away
  25. 1.712km NE of Borrego Springs, CA · 16643 days ago · 9 km deep · 50 km away
  26. 1.518km NNE of Indio, CA · 16643 days ago · 5 km deep · 70 km away
  27. 1.520km ESE of Anza, CA · 16643 days ago · 8 km deep · 27 km away
  28. 1.99km NE of Aguanga, CA · 16643 days ago · 6 km deep · 2 km away
  29. 2.05km NE of Borrego Springs, CA · 16643 days ago · 12 km deep · 47 km away
  30. 1.612km NNE of Borrego Springs, CA · 16643 days ago · 11 km deep · 46 km away
  31. 1.69km NE of Aguanga, CA · 16642 days ago · 3 km deep · 2 km away
  32. 2.010km NE of Aguanga, CA · 16642 days ago · 3 km deep · 1 km away
  33. 1.79km NE of Foothill Ranch, CA · 16641 days ago · 5 km deep · 80 km away
  34. 1.812km NNE of Trabuco Canyon, CA · 16641 days ago · 0 km deep · 74 km away
  35. 2.411km NNE of Trabuco Canyon, CA · 16641 days ago · 3 km deep · 74 km away
  36. 1.68km SW of Beaumont, CA · 16640 days ago · 15 km deep · 48 km away
  37. 1.717km S of Borrego Springs, CA · 16640 days ago · 5 km deep · 58 km away
  38. 1.77km SSE of Big Bear Lake, CA · 16640 days ago · 10 km deep · 76 km away
  39. 1.69km NE of Aguanga, CA · 16640 days ago · 4 km deep · 2 km away
  40. 1.98km NE of Aguanga, CA · 16639 days ago · 4 km deep · 3 km away
  41. 1.67km NE of Aguanga, CA · 16639 days ago · 10 km deep · 4 km away
  42. 1.912km WSW of Morongo Valley, CA · 16639 days ago · 15 km deep · 55 km away
  43. 1.612km WSW of Morongo Valley, CA · 16639 days ago · 15 km deep · 55 km away
  44. 2.215km WNW of Ocotillo, CA · 16639 days ago · 14 km deep · 99 km away
  45. 1.86km NNE of Beaumont, CA · 16638 days ago · 18 km deep · 55 km away
  46. 1.64km W of Redlands, CA · 16638 days ago · 5 km deep · 74 km away
  47. 1.99km SSW of Idyllwild, CA · 16637 days ago · 12 km deep · 18 km away
  48. 1.69km SW of Beaumont, CA · 16637 days ago · 15 km deep · 48 km away
  49. 1.53km NNW of Colton, CA · 16637 days ago · 8 km deep · 83 km away
  50. 1.77km SW of Salton City, CA · 16636 days ago · 5 km deep · 77 km away
  51. 1.52km ENE of Banning, CA · 16636 days ago · 3 km deep · 48 km away
  52. 1.82km NE of Banning, CA · 16636 days ago · 3 km deep · 49 km away
  53. 2.010km NE of Aguanga, CA · 16636 days ago · 4 km deep · 1 km away
  54. 2.02km SE of Garnet, CA · 16635 days ago · 11 km deep · 48 km away
  55. 2.511km NE of Aguanga, CA · 16634 days ago · 5 km deep · 1 km away
  56. 1.74km WNW of San Clemente, CA · 16634 days ago · 6 km deep · 82 km away
  57. 1.610km WSW of Anza, CA · 16634 days ago · -1 km deep · 1 km away
  58. 2.410km NE of Aguanga, CA · 16634 days ago · 5 km deep · 1 km away
  59. 1.61km ESE of Garnet, CA · 16633 days ago · 13 km deep · 49 km away
  60. 1.710km NE of Aguanga, CA · 16633 days ago · 4 km deep · 1 km away

The first 60 of 179.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci12254979. Read Tue, Sep 22, 2026, 9:42 PM UTC.