California earthquakes

M1.6 earthquake 11km WSW of Anza, CA

A magnitude 1.6 earthquake struck 11km WSW of Anza, CA on Sun, May 17, 1981, 2:53 PM PDT (21:53 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M3.6 3km WNW of Lakeland Village, 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 (mc), micro
Local time
UTC
1981-05-17 21:53:34 UTC
Depth
-1.6 km (-1.0 mi), shallow
Epicenter
33.506° N, 116.773° 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 0.5 km horizontally, 1.1 km in depth
Depth from
From location
Station coverage gap
81°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 93 in the 30 days before it.

After

  1. 1.710km S of Salton City, CA · 16571 days ago · 9 km deep · 84 km away
  2. 2.111km W of Corona, CA · 16571 days ago · 4 km deep · 95 km away
  3. 1.710km NNE of Running Springs, CA · 16571 days ago · 8 km deep · 92 km away
  4. 1.514km S of Salton City, CA · 16568 days ago · 12 km deep · 85 km away
  5. 1.94km SSW of Salton City, CA · 16568 days ago · 5 km deep · 80 km away
  6. 1.84km NNW of Palomar Observatory, CA · 16567 days ago · 6 km deep · 17 km away
  7. 1.620km SSE of Joshua Tree, CA · 16567 days ago · 5 km deep · 72 km away
  8. 1.510km NNE of Valle Vista, CA · 16567 days ago · 14 km deep · 37 km away
  9. 2.41km ENE of Loma Linda, CA · 16567 days ago · 16 km deep · 75 km away
  10. 1.75km NE of Indio, CA · 16566 days ago · 2 km deep · 61 km away
  11. 1.86km S of Salton City, CA · 16565 days ago · 3 km deep · 80 km away
  12. 2.58km NNW of Fontana, CA · 16564 days ago · 5 km deep · 99 km away
  13. 2.011km NE of Aguanga, CA · 16564 days ago · 3 km deep · 0 km away
  14. 2.16km W of Big Bear Lake, CA · 16564 days ago · 5 km deep · 84 km away
  15. 1.734km NNE of North Shore, CA · 16564 days ago · 3 km deep · 98 km away
  16. 1.834km NNE of North Shore, CA · 16564 days ago · 3 km deep · 98 km away
  17. 1.727km SE of Ocotillo Wells, CA · 16564 days ago · 9 km deep · 99 km away
  18. 1.75km ESE of Yucaipa, CA · 16563 days ago · 5 km deep · 59 km away
  19. 2.023km N of Yucca Valley, CA · 16563 days ago · 5 km deep · 96 km away
  20. 1.827km SE of Ocotillo Wells, CA · 16563 days ago · 8 km deep · 99 km away
  21. 1.617km N of Yucca Valley, CA · 16562 days ago · -1 km deep · 90 km away
  22. 2.218km N of Borrego Springs, CA · 16561 days ago · 13 km deep · 38 km away
  23. 2.24km SSW of Salton City, CA · 16560 days ago · 5 km deep · 80 km away
  24. 2.25km S of Salton City, CA · 16559 days ago · 5 km deep · 80 km away
  25. 1.76km S of Salton City, CA · 16559 days ago · 5 km deep · 81 km away
  26. 1.54km ESE of Running Springs, CA · 16558 days ago · 3 km deep · 81 km away
  27. 2.35km S of Salton City, CA · 16557 days ago · 5 km deep · 80 km away
  28. 1.611km SW of Morongo Valley, CA · 16556 days ago · 16 km deep · 53 km away
  29. 1.88km SE of Ocotillo Wells, CA · 16556 days ago · 3 km deep · 80 km away
  30. 1.612km WSW of Morongo Valley, CA · 16556 days ago · 16 km deep · 55 km away
  31. 2.15km S of Salton City, CA · 16556 days ago · 5 km deep · 80 km away
  32. 1.75km SSW of Salton City, CA · 16556 days ago · 5 km deep · 80 km away
  33. 1.93km E of Colton, CA · 16555 days ago · 11 km deep · 79 km away
  34. 1.57km SSW of Cabazon, CA · 16555 days ago · 17 km deep · 39 km away
  35. 1.736km WNW of Desert Center, CA · 16555 days ago · 0 km deep · 100 km away
  36. 1.735km NNE of North Shore, CA · 16555 days ago · 1 km deep · 98 km away
  37. 1.516km NNW of Aguanga, CA · 16555 days ago · 7 km deep · 18 km away
  38. 3.63km WNW of Lakeland Village, CA · 16554 days ago · 14 km deep · 58 km away
  39. 2.74km W of Lake Elsinore, CA · 16554 days ago · 11 km deep · 58 km away
  40. 3.13km WNW of Lakeland Village, CA · 16554 days ago · 12 km deep · 58 km away
  41. 1.527km SSW of Ocotillo Wells, CA · 16554 days ago · 6 km deep · 81 km away
  42. 1.99km ENE of Aguanga, CA · 16554 days ago · 5 km deep · 5 km away
  43. 1.81km E of Loma Linda, CA · 16553 days ago · 16 km deep · 75 km away
  44. 1.86km WNW of Mira Loma, CA · 16553 days ago · 12 km deep · 93 km away
  45. 1.78km NNW of Fontana, CA · 16552 days ago · 5 km deep · 98 km away
  46. 2.15km SSW of Salton City, CA · 16551 days ago · 5 km deep · 79 km away
  47. 1.66km SSW of Salton City, CA · 16551 days ago · 4 km deep · 80 km away
  48. 2.111km NE of Aguanga, CA · 16551 days ago · -1 km deep · 1 km away
  49. 1.634km NNE of North Shore, CA · 16551 days ago · 3 km deep · 97 km away
  50. 1.56km WNW of Anza, CA · 16551 days ago · 1 km deep · 9 km away
  51. 2.211km NE of Aguanga, CA · 16551 days ago · -1 km deep · 1 km away
  52. 2.15km SSW of Salton City, CA · 16550 days ago · 5 km deep · 79 km away
  53. 1.97km S of Salton City, CA · 16550 days ago · 4 km deep · 80 km away
  54. 2.87km S of Salton City, CA · 16550 days ago · 5 km deep · 80 km away
  55. 1.87km S of Salton City, CA · 16549 days ago · 1 km deep · 81 km away
  56. 1.814km ENE of Borrego Springs, CA · 16549 days ago · 9 km deep · 53 km away
  57. 1.67km S of Salton City, CA · 16549 days ago · 4 km deep · 81 km away
  58. 2.07km S of Salton City, CA · 16548 days ago · 5 km deep · 80 km away
  59. 2.37km SSW of Salton City, CA · 16548 days ago · 5 km deep · 80 km away
  60. 1.56km SSW of Salton City, CA · 16548 days ago · 4 km deep · 80 km away

The first 60 of 187.

Before

  1. 1.611km SW of Morongo Valley, CA · 16572 days ago · 15 km deep · 54 km away
  2. 1.711km ESE of North Shore, CA · 16572 days ago · 4 km deep · 87 km away
  3. 1.62km W of Lake Henshaw, CA · 16573 days ago · 5 km deep · 29 km away
  4. 1.510km WSW of Anza, CA · 16573 days ago · 4 km deep · 1 km away
  5. 1.634km NNE of North Shore, CA · 16573 days ago · 2 km deep · 98 km away
  6. 2.113km E of Julian, CA · 16574 days ago · 5 km deep · 57 km away
  7. 1.919km ESE of Julian, CA · 16574 days ago · 4 km deep · 63 km away
  8. 2.217km SE of Anza, CA · 16576 days ago · 12 km deep · 22 km away
  9. 1.517km SE of Anza, CA · 16576 days ago · 11 km deep · 22 km away
  10. 1.86km SW of Banning, CA · 16577 days ago · 11 km deep · 44 km away
  11. 1.525km ENE of Pine Valley, CA · 16577 days ago · 6 km deep · 77 km away
  12. 1.56km NW of San Jacinto, CA · 16578 days ago · 13 km deep · 41 km away
  13. 2.06km W of Big Bear Lake, CA · 16578 days ago · 5 km deep · 84 km away
  14. 2.010km ENE of Indio, CA · 16578 days ago · -1 km deep · 67 km away
  15. 1.713km NNE of Borrego Springs, CA · 16579 days ago · 4 km deep · 45 km away
  16. 1.82km SSE of Yucca Valley, CA · 16579 days ago · 6 km deep · 74 km away
  17. 2.06km ENE of Joshua Tree, CA · 16580 days ago · 0 km deep · 87 km away
  18. 1.511km ENE of Ocotillo Wells, CA · 16580 days ago · 7 km deep · 78 km away
  19. 1.526km ENE of Pine Valley, CA · 16580 days ago · 6 km deep · 77 km away
  20. 1.710km NE of Aguanga, CA · 16581 days ago · 2 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci516192. Read Wed, Sep 30, 2026, 5:11 PM UTC.