California earthquakes

M1.9 earthquake 9km NNW of Anza, CA

A magnitude 1.9 earthquake struck 9km NNW of Anza, CA on Wed, Apr 15, 1981, 10:35 AM PST (18:35 UTC), 9 km (5 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (mh), micro
Local time
UTC
1981-04-15 18:35:24 UTC
Depth
8.6 km (5.3 mi), shallow
Epicenter
33.630° N, 116.706° 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 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
49°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 96 in the 30 days before it.

After

  1. 2.52km NNW of Colton, CA · 16603 days ago · 16 km deep · 76 km away
  2. 1.618km N of Borrego Springs, CA · 16603 days ago · 8 km deep · 37 km away
  3. 2.510km S of Cabazon, CA · 16603 days ago · 14 km deep · 23 km away
  4. 2.015km SE of Ocotillo Wells, CA · 16602 days ago · 4 km deep · 91 km away
  5. 2.414km NE of Coachella, CA · 16602 days ago · -1 km deep · 61 km away
  6. 2.514km NE of Coachella, CA · 16602 days ago · -1 km deep · 61 km away
  7. 1.610km ENE of Aguanga, CA · 16601 days ago · 6 km deep · 17 km away
  8. 2.610km S of Idyllwild, CA · 16601 days ago · 12 km deep · 2 km away
  9. 2.313km NE of Coachella, CA · 16600 days ago · 1 km deep · 60 km away
  10. 1.66km NE of North Shore, CA · 16600 days ago · 9 km deep · 76 km away
  11. 1.919km SSE of Joshua Tree, CA · 16599 days ago · -1 km deep · 58 km away
  12. 3.510km NW of Warner Springs, CA · 16599 days ago · 12 km deep · 31 km away
  13. 1.69km ESE of Ocotillo Wells, CA · 16599 days ago · 5 km deep · 85 km away
  14. 1.811km NW of Warner Springs, CA · 16599 days ago · 11 km deep · 30 km away
  15. 1.57km S of Salton City, CA · 16599 days ago · 4 km deep · 81 km away
  16. 1.611km WSW of Anza, CA · 16599 days ago · 3 km deep · 15 km away
  17. 1.53km NNW of Loma Linda, CA · 16599 days ago · 16 km deep · 72 km away
  18. 1.58km NE of Aguanga, CA · 16598 days ago · 4 km deep · 18 km away
  19. 1.59km ENE of Aguanga, CA · 16597 days ago · 4 km deep · 18 km away
  20. 1.523km N of Borrego Springs, CA · 16597 days ago · 15 km deep · 34 km away
  21. 1.78km WNW of Twentynine Palms, CA · 16597 days ago · 10 km deep · 80 km away
  22. 1.69km ENE of Aguanga, CA · 16596 days ago · 3 km deep · 18 km away
  23. 1.819km E of Pine Valley, CA · 16596 days ago · 5 km deep · 96 km away
  24. 1.87km S of Idyllwild, CA · 16595 days ago · 14 km deep · 5 km away
  25. 2.111km SW of Morongo Valley, CA · 16595 days ago · 12 km deep · 40 km away
  26. 1.87km S of Idyllwild, CA · 16594 days ago · 14 km deep · 5 km away
  27. 2.37km NNE of Running Springs, CA · 16594 days ago · 4 km deep · 79 km away
  28. 1.511km NW of Warner Springs, CA · 16594 days ago · 9 km deep · 30 km away
  29. 2.821km NNW of Borrego Springs, CA · 16594 days ago · 12 km deep · 33 km away
  30. 1.610km NE of Aguanga, CA · 16593 days ago · 3 km deep · 16 km away
  31. 1.523km SSW of La Quinta, CA · 16593 days ago · 10 km deep · 30 km away
  32. 2.623km SSW of La Quinta, CA · 16593 days ago · 5 km deep · 31 km away
  33. 2.312km SE of Salton City, CA · 16593 days ago · 5 km deep · 90 km away
  34. 2.513km ENE of Indio, CA · 16593 days ago · 5 km deep · 59 km away
  35. 1.66km ESE of Valle Vista, CA · 16592 days ago · 13 km deep · 16 km away
  36. 2.15km SE of Valle Vista, CA · 16592 days ago · 13 km deep · 16 km away
  37. 1.75km ENE of Cabazon, CA · 16592 days ago · 13 km deep · 34 km away
  38. 1.724km N of Yucca Valley, CA · 16592 days ago · 1 km deep · 81 km away
  39. 1.620km NE of Pine Valley, CA · 16591 days ago · 5 km deep · 80 km away
  40. 1.54km WSW of Idyllwild, CA · 16591 days ago · 15 km deep · 11 km away
  41. 2.41km NNE of Loma Linda, CA · 16590 days ago · 11 km deep · 70 km away
  42. 2.128km SSW of Ocotillo Wells, CA · 16590 days ago · 12 km deep · 91 km away
  43. 1.710km WSW of Anza, CA · 16590 days ago · 3 km deep · 14 km away
  44. 1.510km WSW of Anza, CA · 16590 days ago · 4 km deep · 14 km away
  45. 1.512km SE of Anza, CA · 16590 days ago · 8 km deep · 21 km away
  46. 1.528km N of Yucca Valley, CA · 16590 days ago · 2 km deep · 85 km away
  47. 2.228km N of Yucca Valley, CA · 16590 days ago · 1 km deep · 85 km away
  48. 2.015km N of Indio, CA · 16589 days ago · 5 km deep · 52 km away
  49. 1.514km N of Borrego Springs, CA · 16589 days ago · 4 km deep · 40 km away
  50. 1.510km SSE of Cabazon, CA · 16589 days ago · 15 km deep · 23 km away
  51. 1.811km WSW of Anza, CA · 16589 days ago · 2 km deep · 15 km away
  52. 1.737km N of Yucca Valley, CA · 16589 days ago · 0 km deep · 93 km away
  53. 3.418km ESE of Anza, CA · 16588 days ago · 14 km deep · 24 km away
  54. 1.926km SSW of Ocotillo Wells, CA · 16588 days ago · 6 km deep · 90 km away
  55. 1.76km E of Running Springs, CA · 16588 days ago · 0 km deep · 72 km away
  56. 1.79km ENE of Aguanga, CA · 16587 days ago · 3 km deep · 18 km away
  57. 2.011km NE of Aguanga, CA · 16587 days ago · 2 km deep · 15 km away
  58. 1.54km E of Lytle Creek, CA · 16587 days ago · 6 km deep · 98 km away
  59. 1.512km SE of Anza, CA · 16587 days ago · 8 km deep · 20 km away
  60. 3.326km ENE of Pine Valley, CA · 16586 days ago · 12 km deep · 87 km away

The first 60 of 169.

Before

  1. 1.610km NE of Aguanga, CA · 16604 days ago · 4 km deep · 16 km away
  2. 2.310km NE of Ocotillo Wells, CA · 16604 days ago · 12 km deep · 78 km away
  3. 2.016km E of Big Bear City, CA · 16604 days ago · 5 km deep · 68 km away
  4. 1.68km NNE of Banning, CA · 16605 days ago · 17 km deep · 43 km away
  5. 1.910km NE of Aguanga, CA · 16605 days ago · 4 km deep · 17 km away
  6. 1.618km SSW of Ocotillo Wells, CA · 16606 days ago · 5 km deep · 84 km away
  7. 1.711km ESE of Anza, CA · 16606 days ago · 8 km deep · 17 km away
  8. 1.56km ENE of North Shore, CA · 16607 days ago · 8 km deep · 78 km away
  9. 2.219km SSW of Ocotillo Wells, CA · 16607 days ago · 4 km deep · 84 km away
  10. 1.516km NNE of Borrego Springs, CA · 16607 days ago · 8 km deep · 48 km away
  11. 1.712km SSE of Twentynine Palms, CA · 16607 days ago · 2 km deep · 77 km away
  12. 1.82km S of San Bernardino, CA · 16608 days ago · 5 km deep · 76 km away
  13. 1.52km S of San Bernardino, CA · 16608 days ago · 3 km deep · 76 km away
  14. 1.719km SSE of Joshua Tree, CA · 16608 days ago · -1 km deep · 57 km away
  15. 1.710km NE of Aguanga, CA · 16608 days ago · 4 km deep · 16 km away
  16. 1.98km SSE of Idyllwild, CA · 16608 days ago · 16 km deep · 5 km away
  17. 1.810km N of Indio, CA · 16608 days ago · 5 km deep · 50 km away
  18. 1.719km SSE of Joshua Tree, CA · 16608 days ago · -1 km deep · 57 km away
  19. 1.66km NW of Aguanga, CA · 16609 days ago · 11 km deep · 26 km away
  20. 1.611km WSW of Anza, CA · 16609 days ago · 4 km deep · 15 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci514477. Read Wed, Sep 30, 2026, 7:15 AM UTC.