California earthquakes

M1.9 earthquake 15km SSE of Anza, CA

A magnitude 1.9 earthquake struck 15km SSE of Anza, CA on Wed, May 24, 1978, 3:25 AM PDT (10:25 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.4 14km NNW of Warner Springs, 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
1.9 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-05-24 10:25:58 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
33.427° N, 116.608° 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, 1.1 km in depth
Depth from
From location
Station coverage gap
51°
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: 178 in the 60 days after this one and 132 in the 30 days before it.

After

  1. 1.913km E of Aguanga, CA · 17664 days ago · 17 km deep · 11 km away
  2. 2.717km NW of Morongo Valley, CA · 17664 days ago · 9 km deep · 81 km away
  3. 1.617km NW of Morongo Valley, CA · 17664 days ago · 11 km deep · 81 km away
  4. 2.07km ESE of Yucaipa, CA · 17664 days ago · 16 km deep · 74 km away
  5. 1.96km SSW of Warner Springs, CA · 17664 days ago · 9 km deep · 22 km away
  6. 3.417km NW of Morongo Valley, CA · 17663 days ago · 4 km deep · 81 km away
  7. 2.010km W of Garnet, CA · 17663 days ago · 4 km deep · 52 km away
  8. 1.616km E of Ocotillo Wells, CA · 17663 days ago · 10 km deep · 67 km away
  9. 1.819km SW of Ocotillo Wells, CA · 17663 days ago · 11 km deep · 55 km away
  10. 1.610km NE of Aguanga, CA · 17663 days ago · 9 km deep · 19 km away
  11. 1.610km NE of Aguanga, CA · 17663 days ago · 9 km deep · 19 km away
  12. 1.84km NE of Cabazon, CA · 17663 days ago · 14 km deep · 59 km away
  13. 1.715km NE of Coachella, CA · 17663 days ago · 6 km deep · 64 km away
  14. 1.716km N of Ocotillo Wells, CA · 17663 days ago · 6 km deep · 45 km away
  15. 1.810km NE of Aguanga, CA · 17662 days ago · 6 km deep · 19 km away
  16. 1.922km SSW of Ocotillo Wells, CA · 17662 days ago · 15 km deep · 61 km away
  17. 2.01km SSW of Colton, CA · 17661 days ago · 17 km deep · 97 km away
  18. 2.713km WSW of Morongo Valley, CA · 17661 days ago · 11 km deep · 66 km away
  19. 2.526km WSW of Westmorland, CA · 17661 days ago · 9 km deep · 84 km away
  20. 1.53km E of Bombay Beach, CA · 17661 days ago · 5 km deep · 85 km away
  21. 1.810km N of Borrego Springs, CA · 17661 days ago · 10 km deep · 25 km away
  22. 2.120km WSW of Westmorland, CA · 17660 days ago · 4 km deep · 89 km away
  23. 1.727km WSW of Westmorland, CA · 17660 days ago · 6 km deep · 84 km away
  24. 1.710km NE of Ocotillo Wells, CA · 17660 days ago · 6 km deep · 56 km away
  25. 2.11km W of Yucaipa, CA · 17660 days ago · 15 km deep · 79 km away
  26. 2.46km SE of Big Bear City, CA · 17659 days ago · 7 km deep · 91 km away
  27. 2.410km NNE of Cabazon, CA · 17659 days ago · 17 km deep · 65 km away
  28. 1.713km NNW of Borrego Springs, CA · 17659 days ago · 10 km deep · 19 km away
  29. 1.513km ENE of Joshua Tree, CA · 17659 days ago · 9 km deep · 94 km away
  30. 1.714km NNE of Borrego Springs, CA · 17659 days ago · 10 km deep · 27 km away
  31. 1.77km ENE of Desert Hot Springs, CA · 17658 days ago · 7 km deep · 65 km away
  32. 1.53km ENE of Ocotillo Wells, CA · 17658 days ago · 7 km deep · 56 km away
  33. 1.514km NE of Borrego Springs, CA · 17658 days ago · 16 km deep · 34 km away
  34. 1.812km NNE of Borrego Springs, CA · 17658 days ago · 14 km deep · 28 km away
  35. 1.62km E of Cabazon, CA · 17658 days ago · 16 km deep · 57 km away
  36. 1.523km SW of Ocotillo Wells, CA · 17657 days ago · 6 km deep · 52 km away
  37. 2.33km NE of Banning, CA · 17657 days ago · 6 km deep · 62 km away
  38. 1.53km NE of Ocotillo Wells, CA · 17657 days ago · 6 km deep · 54 km away
  39. 1.84km ENE of Calimesa, CA · 17657 days ago · 13 km deep · 74 km away
  40. 1.711km SE of Anza, CA · 17656 days ago · 9 km deep · 5 km away
  41. 1.56km SE of Big Bear City, CA · 17656 days ago · 9 km deep · 91 km away
  42. 2.63km N of Colton, CA · 17656 days ago · 15 km deep · 99 km away
  43. 2.111km S of Idyllwild, CA · 17656 days ago · 16 km deep · 27 km away
  44. 1.724km W of Desert Center, CA · 17655 days ago · 0 km deep · 95 km away
  45. 2.13km N of Colton, CA · 17654 days ago · 15 km deep · 99 km away
  46. 1.74km SW of Yucca Valley, CA · 17654 days ago · 11 km deep · 75 km away
  47. 2.04km NNE of Banning, CA · 17653 days ago · 9 km deep · 63 km away
  48. 2.217km NW of Yucca Valley, CA · 17653 days ago · 6 km deep · 89 km away
  49. 1.85km SSW of Big Bear Lake, CA · 17652 days ago · 8 km deep · 92 km away
  50. 1.816km NE of Borrego Springs, CA · 17652 days ago · 13 km deep · 32 km away
  51. 4.414km NNW of Warner Springs, CA · 17652 days ago · 17 km deep · 7 km away
  52. 1.914km S of Anza, CA · 17652 days ago · 17 km deep · 8 km away
  53. 1.914km S of Anza, CA · 17652 days ago · 14 km deep · 8 km away
  54. 1.914km S of Anza, CA · 17652 days ago · 8 km deep · 8 km away
  55. 1.814km S of Anza, CA · 17652 days ago · 12 km deep · 8 km away
  56. 1.913km S of Anza, CA · 17652 days ago · 14 km deep · 8 km away
  57. 2.915km S of Anza, CA · 17652 days ago · 12 km deep · 8 km away
  58. 2.211km N of Cabazon, CA · 17652 days ago · 11 km deep · 67 km away
  59. 1.912km WNW of Niland, CA · 17651 days ago · 4 km deep · 92 km away
  60. 1.815km S of Anza, CA · 17651 days ago · 13 km deep · 8 km away

The first 60 of 178.

Before

  1. 1.66km SSW of Idyllwild, CA · 17665 days ago · 16 km deep · 32 km away
  2. 1.76km WNW of Westmorland, CA · 17665 days ago · 7 km deep · 96 km away
  3. 1.511km N of Borrego Springs, CA · 17665 days ago · 14 km deep · 24 km away
  4. 1.816km NNW of Aguanga, CA · 17665 days ago · 8 km deep · 33 km away
  5. 1.63km ESE of Bombay Beach, CA · 17666 days ago · 4 km deep · 84 km away
  6. 1.83km ESE of Bombay Beach, CA · 17666 days ago · 5 km deep · 84 km away
  7. 1.92km SE of Borrego Springs, CA · 17666 days ago · 13 km deep · 31 km away
  8. 1.67km WNW of Westmorland, CA · 17666 days ago · 7 km deep · 95 km away
  9. 1.612km NE of Joshua Tree, CA · 17666 days ago · 4 km deep · 94 km away
  10. 1.52km SE of Cabazon, CA · 17666 days ago · 15 km deep · 55 km away
  11. 1.611km SSE of Warner Springs, CA · 17666 days ago · 6 km deep · 26 km away
  12. 1.810km NNE of Julian, CA · 17667 days ago · 16 km deep · 30 km away
  13. 1.915km ESE of Anza, CA · 17667 days ago · 13 km deep · 12 km away
  14. 1.54km S of Mentone, CA · 17667 days ago · 5 km deep · 83 km away
  15. 1.83km ENE of Hemet, CA · 17667 days ago · 13 km deep · 48 km away
  16. 1.99km N of Borrego Springs, CA · 17668 days ago · 12 km deep · 23 km away
  17. 1.89km N of Borrego Springs, CA · 17668 days ago · 12 km deep · 23 km away
  18. 1.814km S of Borrego Springs, CA · 17668 days ago · 6 km deep · 40 km away
  19. 1.620km ESE of Anza, CA · 17668 days ago · 11 km deep · 13 km away
  20. 2.28km N of Borrego Springs, CA · 17668 days ago · 14 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3339629. Read Sat, Oct 3, 2026, 5:44 PM UTC.