California earthquakes

M1.9 earthquake 27km ENE of Pine Valley, CA

A magnitude 1.9 earthquake struck 27km ENE of Pine Valley, CA on Sat, Apr 15, 1978, 10:18 PM PST (06:18 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M4.4 14km NNW of Warner Springs, CA. This one was a foreshock.

Pine Valley 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
1978-04-16 06:18:55 UTC
Depth
11.8 km (7.3 mi), shallow
Epicenter
32.925° N, 116.269° 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 0.6 km horizontally, 2.5 km in depth
Depth from
From location
Station coverage gap
82°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 122 in the 30 days before it.

After

  1. 1.710km SE of Anza, CA · 17701 days ago · 10 km deep · 70 km away
  2. 1.522km WSW of Westmorland, CA · 17700 days ago · 10 km deep · 41 km away
  3. 2.28km E of North Shore, CA · 17700 days ago · 5 km deep · 77 km away
  4. 2.58km E of North Shore, CA · 17700 days ago · 4 km deep · 77 km away
  5. 2.68km E of North Shore, CA · 17700 days ago · 9 km deep · 77 km away
  6. 1.88km E of North Shore, CA · 17700 days ago · 6 km deep · 77 km away
  7. 1.79km E of North Shore, CA · 17700 days ago · 9 km deep · 78 km away
  8. 1.914km ESE of Anza, CA · 17699 days ago · 13 km deep · 68 km away
  9. 1.715km ESE of Anza, CA · 17699 days ago · 14 km deep · 68 km away
  10. 1.64km SSW of Brawley, CA · 17699 days ago · 10 km deep · 67 km away
  11. 2.78km E of North Shore, CA · 17699 days ago · 9 km deep · 77 km away
  12. 2.58km E of North Shore, CA · 17699 days ago · 11 km deep · 77 km away
  13. 1.52km SSW of Brawley, CA · 17699 days ago · 10 km deep · 68 km away
  14. 1.727km SSW of Ocotillo Wells, CA · 17698 days ago · 7 km deep · 1 km away
  15. 2.018km ESE of Anza, CA · 17698 days ago · 12 km deep · 66 km away
  16. 1.87km WSW of Anza, CA · 17697 days ago · 6 km deep · 80 km away
  17. 1.87km S of Puebla, B.C., MX · 17697 days ago · 10 km deep · 99 km away
  18. 1.813km WSW of Puebla, B.C., MX · 17697 days ago · 10 km deep · 88 km away
  19. 1.821km ESE of Anza, CA · 17697 days ago · 13 km deep · 64 km away
  20. 2.114km NE of Thermal, CA · 17697 days ago · 6 km deep · 92 km away
  21. 1.810km W of Niland, CA · 17696 days ago · 4 km deep · 70 km away
  22. 1.73km N of Palomar Observatory, CA · 17696 days ago · 10 km deep · 75 km away
  23. 1.88km W of Holtville, CA · 17696 days ago · 10 km deep · 76 km away
  24. 2.510km NNE of Ocotillo Wells, CA · 17696 days ago · 13 km deep · 37 km away
  25. 2.014km NE of Thermal, CA · 17696 days ago · 5 km deep · 92 km away
  26. 1.910km W of Niland, CA · 17695 days ago · 3 km deep · 70 km away
  27. 1.56km NE of Westmorland, CA · 17693 days ago · 11 km deep · 66 km away
  28. 1.821km ENE of Coachella, CA · 17693 days ago · 6 km deep · 98 km away
  29. 1.97km E of Westmorland, CA · 17692 days ago · 9 km deep · 69 km away
  30. 1.89km ENE of Aguanga, CA · 17692 days ago · 9 km deep · 78 km away
  31. 1.99km W of Holtville, CA · 17692 days ago · 10 km deep · 75 km away
  32. 2.023km SW of Ocotillo Wells, CA · 17692 days ago · 6 km deep · 11 km away
  33. 1.55km WNW of Brawley, CA · 17692 days ago · 7 km deep · 65 km away
  34. 1.84km WNW of Brawley, CA · 17692 days ago · 7 km deep · 66 km away
  35. 2.25km WNW of Brawley, CA · 17692 days ago · 10 km deep · 65 km away
  36. 1.95km SE of Westmorland, CA · 17692 days ago · 10 km deep · 64 km away
  37. 1.53km SE of Westmorland, CA · 17691 days ago · 10 km deep · 64 km away
  38. 1.75km SE of Westmorland, CA · 17691 days ago · 10 km deep · 65 km away
  39. 1.75km WNW of Brawley, CA · 17691 days ago · 10 km deep · 65 km away
  40. 1.712km NNW of Borrego Springs, CA · 17691 days ago · 12 km deep · 50 km away
  41. 1.74km SE of Westmorland, CA · 17691 days ago · 10 km deep · 64 km away
  42. 2.19km WSW of Anza, CA · 17690 days ago · 6 km deep · 80 km away
  43. 2.35km SE of Westmorland, CA · 17690 days ago · 10 km deep · 65 km away
  44. 1.65km SE of Westmorland, CA · 17689 days ago · 9 km deep · 64 km away
  45. 2.511km N of Borrego Springs, CA · 17689 days ago · 15 km deep · 49 km away
  46. 1.615km SSW of Oasis, CA · 17689 days ago · 6 km deep · 48 km away
  47. 1.55km SE of Ocotillo Wells, CA · 17689 days ago · 10 km deep · 26 km away
  48. 1.512km NE of Indio, CA · 17688 days ago · 6 km deep · 97 km away
  49. 1.68km WSW of Anza, CA · 17688 days ago · 9 km deep · 80 km away
  50. 1.620km E of Anza, CA · 17687 days ago · 9 km deep · 70 km away
  51. 1.74km N of Ocotillo Wells, CA · 17687 days ago · 6 km deep · 30 km away
  52. 1.513km NNW of Borrego Springs, CA · 17687 days ago · 10 km deep · 51 km away
  53. 1.68km WSW of Anza, CA · 17686 days ago · 6 km deep · 80 km away
  54. 2.15km WNW of Brawley, CA · 17686 days ago · 10 km deep · 65 km away
  55. 2.523km N of El Sauzal, B.C., MX · 17686 days ago · 6 km deep · 98 km away
  56. 1.921km ESE of Anza, CA · 17686 days ago · 13 km deep · 64 km away
  57. 1.54km WNW of Brawley, CA · 17686 days ago · 10 km deep · 65 km away
  58. 1.518km ESE of Anza, CA · 17685 days ago · 18 km deep · 69 km away
  59. 2.15km NW of Holtville, CA · 17685 days ago · 5 km deep · 80 km away
  60. 2.16km NNW of Holtville, CA · 17685 days ago · 4 km deep · 80 km away

The first 60 of 188.

Before

  1. 1.56km WSW of Holtville, CA · 17702 days ago · 13 km deep · 78 km away
  2. 1.612km N of Borrego Springs, CA · 17702 days ago · 6 km deep · 50 km away
  3. 1.86km WSW of Holtville, CA · 17702 days ago · 10 km deep · 78 km away
  4. 1.57km ENE of Imperial, CA · 17702 days ago · 10 km deep · 72 km away
  5. 1.67km WSW of Holtville, CA · 17702 days ago · 10 km deep · 79 km away
  6. 1.914km SE of Anza, CA · 17702 days ago · 12 km deep · 67 km away
  7. 1.56km WSW of Holtville, CA · 17703 days ago · 3 km deep · 79 km away
  8. 1.88km SE of Ocotillo Wells, CA · 17703 days ago · 6 km deep · 26 km away
  9. 1.87km WSW of Holtville, CA · 17703 days ago · 10 km deep · 79 km away
  10. 1.58km NE of Heber, CA · 17703 days ago · 10 km deep · 77 km away
  11. 1.78km NE of Heber, CA · 17703 days ago · 10 km deep · 77 km away
  12. 1.67km ENE of Heber, CA · 17703 days ago · 10 km deep · 77 km away
  13. 1.78km NE of Heber, CA · 17703 days ago · 10 km deep · 77 km away
  14. 1.57km WSW of Holtville, CA · 17703 days ago · 10 km deep · 79 km away
  15. 2.07km WSW of Holtville, CA · 17703 days ago · 10 km deep · 78 km away
  16. 2.08km W of Holtville, CA · 17703 days ago · 10 km deep · 77 km away
  17. 2.18km WSW of Holtville, CA · 17703 days ago · 10 km deep · 77 km away
  18. 2.77km W of Holtville, CA · 17703 days ago · 10 km deep · 77 km away
  19. 1.56km WSW of Holtville, CA · 17703 days ago · 10 km deep · 79 km away
  20. 2.27km E of Imperial, CA · 17703 days ago · 10 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3338902. Read Thu, Oct 1, 2026, 10:00 PM UTC.