California earthquakes

M1.9 earthquake 16km ESE of Anza, CA

A magnitude 1.9 earthquake struck 16km ESE of Anza, CA on Thu, Feb 16, 1978, 8:39 PM PST (04:39 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.2 25km ENE of Pine 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
1.9 (mc), micro
Local time
UTC
1978-02-17 04:39:08 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
33.507° N, 116.515° 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
57°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 162 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.612km NW of Warner Springs, CA · 17730 days ago · 11 km deep · 24 km away
  2. 1.533km NNE of North Shore, CA · 17730 days ago · 12 km deep · 74 km away
  3. 1.77km SSE of Redlands, CA · 17727 days ago · 15 km deep · 81 km away
  4. 1.614km N of Yucca Valley, CA · 17727 days ago · 6 km deep · 82 km away
  5. 2.225km ENE of Pine Valley, CA · 17727 days ago · 15 km deep · 71 km away
  6. 2.114km S of Salton City, CA · 17726 days ago · 12 km deep · 65 km away
  7. 1.910km WNW of Morongo Valley, CA · 17726 days ago · 11 km deep · 66 km away
  8. 2.57km S of Borrego Springs, CA · 17726 days ago · 6 km deep · 37 km away
  9. 1.99km S of Idyllwild, CA · 17726 days ago · 17 km deep · 26 km away
  10. 2.91km WSW of Lakeland Village, CA · 17726 days ago · 8 km deep · 79 km away
  11. 2.25km NNW of Moreno Valley, CA · 17725 days ago · 11 km deep · 85 km away
  12. 1.79km N of Cabazon, CA · 17725 days ago · 13 km deep · 60 km away
  13. 1.714km WSW of Westmorland, CA · 17725 days ago · 12 km deep · 90 km away
  14. 2.32km NE of Loma Linda, CA · 17725 days ago · 14 km deep · 92 km away
  15. 2.010km SE of Anza, CA · 17725 days ago · 10 km deep · 8 km away
  16. 1.514km ESE of Anza, CA · 17724 days ago · 15 km deep · 2 km away
  17. 2.04km NNE of Running Springs, CA · 17723 days ago · 4 km deep · 97 km away
  18. 1.85km N of Banning, CA · 17723 days ago · 21 km deep · 61 km away
  19. 1.77km SE of Ocotillo Wells, CA · 17722 days ago · 13 km deep · 60 km away
  20. 1.54km NNE of Running Springs, CA · 17722 days ago · 2 km deep · 97 km away
  21. 1.94km NNE of Running Springs, CA · 17721 days ago · 3 km deep · 97 km away
  22. 1.915km NNE of Twentynine Palms, CA · 17721 days ago · 2 km deep · 97 km away
  23. 2.07km NE of Desert Hot Springs, CA · 17721 days ago · 2 km deep · 56 km away
  24. 1.710km NE of Aguanga, CA · 17721 days ago · 6 km deep · 25 km away
  25. 1.72km S of Big Bear Lake, CA · 17721 days ago · 10 km deep · 88 km away
  26. 2.14km NNE of Running Springs, CA · 17721 days ago · 3 km deep · 98 km away
  27. 1.81km SSW of Big Bear Lake, CA · 17721 days ago · 6 km deep · 89 km away
  28. 2.315km NNW of Morongo Valley, CA · 17720 days ago · 3 km deep · 74 km away
  29. 2.12km SSE of Big Bear Lake, CA · 17720 days ago · 7 km deep · 88 km away
  30. 1.816km NNW of Morongo Valley, CA · 17720 days ago · 6 km deep · 75 km away
  31. 1.917km N of Borrego Springs, CA · 17720 days ago · 5 km deep · 18 km away
  32. 2.27km NE of Yucca Valley, CA · 17720 days ago · 1 km deep · 74 km away
  33. 1.97km WNW of Joshua Tree, CA · 17720 days ago · 6 km deep · 74 km away
  34. 1.614km W of Niland, CA · 17720 days ago · 6 km deep · 85 km away
  35. 1.87km WNW of Joshua Tree, CA · 17720 days ago · 8 km deep · 74 km away
  36. 2.02km SSE of Big Bear Lake, CA · 17720 days ago · 5 km deep · 88 km away
  37. 1.64km NE of Running Springs, CA · 17720 days ago · 3 km deep · 97 km away
  38. 1.68km S of Hemet, CA · 17719 days ago · 6 km deep · 46 km away
  39. 2.02km SSE of Big Bear Lake, CA · 17719 days ago · 5 km deep · 88 km away
  40. 1.82km S of Big Bear Lake, CA · 17718 days ago · 4 km deep · 88 km away
  41. 1.61km SSW of Big Bear Lake, CA · 17718 days ago · 6 km deep · 89 km away
  42. 2.010km WSW of Morongo Valley, CA · 17717 days ago · 13 km deep · 59 km away
  43. 1.98km N of Pala, CA · 17717 days ago · 9 km deep · 52 km away
  44. 1.87km WNW of Desert Hot Springs, CA · 17717 days ago · 7 km deep · 52 km away
  45. 1.62km SSE of Big Bear Lake, CA · 17717 days ago · 11 km deep · 88 km away
  46. 1.723km ESE of Anza, CA · 17716 days ago · 14 km deep · 8 km away
  47. 1.627km ENE of Pine Valley, CA · 17716 days ago · 6 km deep · 73 km away
  48. 2.02km SSE of Big Bear Lake, CA · 17715 days ago · 6 km deep · 88 km away
  49. 2.22km SSE of Big Bear Lake, CA · 17715 days ago · 5 km deep · 88 km away
  50. 1.517km N of Joshua Tree, CA · 17715 days ago · 4 km deep · 89 km away
  51. 1.611km ENE of Cabazon, CA · 17715 days ago · 18 km deep · 52 km away
  52. 1.820km ESE of Anza, CA · 17715 days ago · 13 km deep · 5 km away
  53. 2.29km SSE of Bombay Beach, CA · 17713 days ago · 4 km deep · 80 km away
  54. 1.99km SSE of Bombay Beach, CA · 17713 days ago · 4 km deep · 80 km away
  55. 1.913km SE of Anza, CA · 17713 days ago · 9 km deep · 9 km away
  56. 1.72km S of Big Bear Lake, CA · 17713 days ago · 5 km deep · 88 km away
  57. 1.72km S of Big Bear Lake, CA · 17713 days ago · 11 km deep · 88 km away
  58. 1.52km SE of Big Bear Lake, CA · 17713 days ago · 11 km deep · 87 km away
  59. 1.95km SW of Salton City, CA · 17712 days ago · 7 km deep · 55 km away
  60. 1.921km ENE of Thermal, CA · 17712 days ago · 2 km deep · 59 km away

The first 60 of 162.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3337455. Read Tue, Sep 22, 2026, 11:18 AM UTC.