California earthquakes

M1.5 earthquake 11km WSW of Anza, CA

A magnitude 1.5 earthquake struck 11km WSW of Anza, CA on Sun, Jun 21, 1981, 2:24 PM PDT (21:24 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.4 11km ENE of Julian, 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
1.5 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1981-06-21 21:24:27 UTC
Depth
1.0 km (0.6 mi), shallow
Epicenter
33.511° N, 116.778° 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, 0.7 km in depth
Depth from
From location
Station coverage gap
98°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 185 in the 60 days after this one and 135 in the 30 days before it.

After

  1. 1.911km NE of Aguanga, CA · 16537 days ago · -1 km deep · 0 km away
  2. 2.010km NE of Aguanga, CA · 16537 days ago · 3 km deep · 1 km away
  3. 3.17km S of Salton City, CA · 16537 days ago · 5 km deep · 82 km away
  4. 1.57km S of Salton City, CA · 16537 days ago · 4 km deep · 81 km away
  5. 1.75km S of Salton City, CA · 16537 days ago · 5 km deep · 81 km away
  6. 1.56km SSW of Salton City, CA · 16537 days ago · 4 km deep · 80 km away
  7. 1.78km S of Salton City, CA · 16537 days ago · 3 km deep · 81 km away
  8. 1.99km NE of Ocotillo Wells, CA · 16536 days ago · 10 km deep · 73 km away
  9. 1.66km S of Salton City, CA · 16536 days ago · 5 km deep · 81 km away
  10. 1.910km NE of Aguanga, CA · 16536 days ago · 4 km deep · 1 km away
  11. 1.530km SE of Twentynine Palms, CA · 16536 days ago · 2 km deep · 95 km away
  12. 1.75km SSW of Salton City, CA · 16536 days ago · 5 km deep · 80 km away
  13. 1.76km SSW of Morongo Valley, CA · 16536 days ago · 15 km deep · 56 km away
  14. 1.65km SSW of Salton City, CA · 16536 days ago · 4 km deep · 80 km away
  15. 2.56km S of Salton City, CA · 16536 days ago · 4 km deep · 81 km away
  16. 2.76km S of Salton City, CA · 16536 days ago · 3 km deep · 81 km away
  17. 2.57km S of Salton City, CA · 16536 days ago · 5 km deep · 82 km away
  18. 1.56km SSE of Salton City, CA · 16535 days ago · 7 km deep · 83 km away
  19. 1.611km WSW of Anza, CA · 16535 days ago · 3 km deep · 0 km away
  20. 1.510km NE of Aguanga, CA · 16535 days ago · 3 km deep · 2 km away
  21. 1.99km ENE of Pala, CA · 16535 days ago · 11 km deep · 23 km away
  22. 1.67km S of Salton City, CA · 16535 days ago · 4 km deep · 81 km away
  23. 1.56km S of Salton City, CA · 16535 days ago · 4 km deep · 81 km away
  24. 1.77km WNW of Palomar Observatory, CA · 16535 days ago · 16 km deep · 20 km away
  25. 2.06km S of Salton City, CA · 16535 days ago · 4 km deep · 81 km away
  26. 1.56km SSW of Salton City, CA · 16534 days ago · 3 km deep · 80 km away
  27. 1.57km SSW of Salton City, CA · 16534 days ago · 2 km deep · 81 km away
  28. 1.914km ENE of Thousand Palms, CA · 16534 days ago · -1 km deep · 63 km away
  29. 1.55km SSW of Salton City, CA · 16534 days ago · 4 km deep · 80 km away
  30. 1.61km SW of San Bernardino, CA · 16534 days ago · 2 km deep · 83 km away
  31. 1.711km WSW of Anza, CA · 16533 days ago · 3 km deep · 1 km away
  32. 1.65km S of Morongo Valley, CA · 16533 days ago · 6 km deep · 57 km away
  33. 1.626km ENE of Pine Valley, CA · 16532 days ago · 1 km deep · 82 km away
  34. 2.85km SSW of Salton City, CA · 16532 days ago · 5 km deep · 80 km away
  35. 1.77km S of Salton City, CA · 16532 days ago · 3 km deep · 81 km away
  36. 1.65km SSW of Salton City, CA · 16531 days ago · 4 km deep · 80 km away
  37. 1.915km S of Salton City, CA · 16531 days ago · 6 km deep · 86 km away
  38. 1.921km ESE of Anza, CA · 16531 days ago · 9 km deep · 30 km away
  39. 1.56km SE of Valle Vista, CA · 16531 days ago · 13 km deep · 24 km away
  40. 1.77km NNE of Pala, CA · 16530 days ago · 8 km deep · 26 km away
  41. 1.834km NNE of North Shore, CA · 16530 days ago · 4 km deep · 98 km away
  42. 1.58km NE of Aguanga, CA · 16530 days ago · 4 km deep · 3 km away
  43. 1.55km SSE of Salton City, CA · 16530 days ago · 7 km deep · 83 km away
  44. 1.910km NE of Aguanga, CA · 16529 days ago · 3 km deep · 1 km away
  45. 2.66km SSW of Salton City, CA · 16529 days ago · 3 km deep · 80 km away
  46. 1.92km WSW of Aliso Viejo, CA · 16529 days ago · 6 km deep · 90 km away
  47. 1.65km SSW of Salton City, CA · 16529 days ago · 3 km deep · 80 km away
  48. 1.85km SSW of Salton City, CA · 16528 days ago · 4 km deep · 80 km away
  49. 1.98km S of Warner Springs, CA · 16528 days ago · 2 km deep · 36 km away
  50. 2.46km SSE of Mentone, CA · 16528 days ago · 4 km deep · 65 km away
  51. 1.721km ESE of Julian, CA · 16528 days ago · 3 km deep · 68 km away
  52. 2.611km NE of Aguanga, CA · 16528 days ago · 3 km deep · 2 km away
  53. 2.410km NE of Aguanga, CA · 16528 days ago · 3 km deep · 1 km away
  54. 2.75km SSW of Salton City, CA · 16528 days ago · 4 km deep · 80 km away
  55. 1.75km S of Salton City, CA · 16528 days ago · 4 km deep · 81 km away
  56. 1.56km SSW of Salton City, CA · 16528 days ago · 1 km deep · 79 km away
  57. 2.310km NE of Aguanga, CA · 16528 days ago · 2 km deep · 1 km away
  58. 1.610km N of Cabazon, CA · 16528 days ago · 16 km deep · 55 km away
  59. 1.521km N of Indio, CA · 16528 days ago · 5 km deep · 71 km away
  60. 1.95km SSW of Salton City, CA · 16528 days ago · 4 km deep · 80 km away

The first 60 of 185.

Before

  1. 1.58km S of Salton City, CA · 16538 days ago · 3 km deep · 82 km away
  2. 1.634km NNE of North Shore, CA · 16538 days ago · 3 km deep · 98 km away
  3. 1.611km ENE of Ocotillo Wells, CA · 16538 days ago · 9 km deep · 78 km away
  4. 2.35km SSW of Salton City, CA · 16538 days ago · 5 km deep · 80 km away
  5. 2.17km S of Salton City, CA · 16538 days ago · 5 km deep · 82 km away
  6. 1.75km SSW of Salton City, CA · 16538 days ago · 4 km deep · 80 km away
  7. 1.711km NE of Aguanga, CA · 16539 days ago · 1 km deep · 0 km away
  8. 2.610km NE of Aguanga, CA · 16539 days ago · 2 km deep · 1 km away
  9. 1.614km ENE of Thousand Palms, CA · 16539 days ago · 0 km deep · 62 km away
  10. 2.813km ENE of Thousand Palms, CA · 16539 days ago · -1 km deep · 62 km away
  11. 2.514km ENE of Thousand Palms, CA · 16539 days ago · -1 km deep · 63 km away
  12. 1.513km E of Anza, CA · 16539 days ago · 17 km deep · 22 km away
  13. 1.67km SSW of Salton City, CA · 16539 days ago · 3 km deep · 81 km away
  14. 1.55km SSW of Salton City, CA · 16539 days ago · 4 km deep · 80 km away
  15. 1.87km S of Salton City, CA · 16539 days ago · 4 km deep · 82 km away
  16. 1.67km S of Salton City, CA · 16539 days ago · 4 km deep · 82 km away
  17. 1.68km S of Salton City, CA · 16539 days ago · 3 km deep · 82 km away
  18. 1.87km S of Salton City, CA · 16539 days ago · 5 km deep · 82 km away
  19. 1.66km SSW of Salton City, CA · 16539 days ago · 4 km deep · 81 km away
  20. 2.010km NNW of Anza, CA · 16539 days ago · 13 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci518099. Read Thu, Oct 1, 2026, 9:54 AM UTC.