California earthquakes

M1.5 earthquake 10km W of Pine Valley, CA

A magnitude 1.5 earthquake struck 10km W of Pine Valley, CA on Mon, Apr 10, 1978, 9:34 AM PST (17:34 UTC), 6 km (4 mi) below the surface.

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

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-04-10 17:34:10 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
32.819° N, 116.634° 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 0.9 km horizontally, 19.1 km in depth
Depth from
From location
Station coverage gap
199°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 128 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 1.614km N of Warner Springs, CA · 17705 days ago · 15 km deep · 66 km away
  2. 2.022km SE of Ocotillo, CA · 17705 days ago · 5 km deep · 79 km away
  3. 1.527km ENE of Pine Valley, CA · 17705 days ago · 6 km deep · 37 km away
  4. 3.123km W of Progreso, B.C., MX · 17705 days ago · 18 km deep · 80 km away
  5. 1.817km W of Salton City, CA · 17704 days ago · 0 km deep · 71 km away
  6. 2.022km W of Progreso, B.C., MX · 17704 days ago · 11 km deep · 80 km away
  7. 1.810km SE of Anza, CA · 17703 days ago · 11 km deep · 75 km away
  8. 1.88km SE of Ocotillo Wells, CA · 17702 days ago · 6 km deep · 61 km away
  9. 1.914km SE of Anza, CA · 17702 days ago · 12 km deep · 72 km away
  10. 1.612km N of Borrego Springs, CA · 17701 days ago · 6 km deep · 66 km away
  11. 1.927km ENE of Pine Valley, CA · 17700 days ago · 12 km deep · 36 km away
  12. 1.710km SE of Anza, CA · 17700 days ago · 10 km deep · 74 km away
  13. 1.522km WSW of Westmorland, CA · 17700 days ago · 10 km deep · 77 km away
  14. 1.914km ESE of Anza, CA · 17699 days ago · 13 km deep · 76 km away
  15. 1.715km ESE of Anza, CA · 17699 days ago · 14 km deep · 76 km away
  16. 1.727km SSW of Ocotillo Wells, CA · 17697 days ago · 7 km deep · 37 km away
  17. 2.018km ESE of Anza, CA · 17697 days ago · 12 km deep · 76 km away
  18. 1.87km WSW of Anza, CA · 17697 days ago · 6 km deep · 80 km away
  19. 1.821km ESE of Anza, CA · 17696 days ago · 13 km deep · 75 km away
  20. 1.73km N of Palomar Observatory, CA · 17696 days ago · 10 km deep · 66 km away
  21. 2.510km NNE of Ocotillo Wells, CA · 17695 days ago · 13 km deep · 68 km away
  22. 2.328km ENE of Ensenada, B.C., MX · 17694 days ago · 6 km deep · 94 km away
  23. 1.89km ENE of Aguanga, CA · 17692 days ago · 9 km deep · 75 km away
  24. 2.023km SW of Ocotillo Wells, CA · 17691 days ago · 6 km deep · 37 km away
  25. 1.53km SE of Westmorland, CA · 17691 days ago · 10 km deep · 100 km away
  26. 1.712km NNW of Borrego Springs, CA · 17690 days ago · 12 km deep · 63 km away
  27. 1.74km SE of Westmorland, CA · 17690 days ago · 10 km deep · 100 km away
  28. 2.19km WSW of Anza, CA · 17690 days ago · 6 km deep · 78 km away
  29. 1.65km SE of Westmorland, CA · 17689 days ago · 9 km deep · 100 km away
  30. 2.511km N of Borrego Springs, CA · 17688 days ago · 15 km deep · 64 km away
  31. 1.615km SSW of Oasis, CA · 17688 days ago · 6 km deep · 74 km away
  32. 1.55km SE of Ocotillo Wells, CA · 17688 days ago · 10 km deep · 60 km away
  33. 1.68km WSW of Anza, CA · 17687 days ago · 9 km deep · 79 km away
  34. 1.620km E of Anza, CA · 17687 days ago · 9 km deep · 81 km away
  35. 1.74km N of Ocotillo Wells, CA · 17686 days ago · 6 km deep · 61 km away
  36. 1.513km NNW of Borrego Springs, CA · 17686 days ago · 10 km deep · 65 km away
  37. 1.68km WSW of Anza, CA · 17686 days ago · 6 km deep · 79 km away
  38. 2.523km N of El Sauzal, B.C., MX · 17685 days ago · 6 km deep · 79 km away
  39. 1.921km ESE of Anza, CA · 17685 days ago · 13 km deep · 75 km away
  40. 1.518km ESE of Anza, CA · 17685 days ago · 18 km deep · 79 km away
  41. 1.822km SW of Ocotillo Wells, CA · 17683 days ago · 6 km deep · 37 km away
  42. 1.724km WSW of Westmorland, CA · 17683 days ago · 5 km deep · 74 km away
  43. 2.77km N of Borrego Springs, CA · 17682 days ago · 11 km deep · 61 km away
  44. 2.47km NE of Borrego Springs, CA · 17682 days ago · 15 km deep · 61 km away
  45. 1.612km ENE of Ocotillo Wells, CA · 17682 days ago · 6 km deep · 71 km away
  46. 1.88km N of Borrego Springs, CA · 17682 days ago · 11 km deep · 61 km away
  47. 2.418km SE of Anza, CA · 17681 days ago · 15 km deep · 73 km away
  48. 2.742km NNE of Ensenada, B.C., MX · 17679 days ago · 6 km deep · 73 km away
  49. 1.823km WNW of Imperial, CA · 17679 days ago · 6 km deep · 78 km away
  50. 1.711km SE of Anza, CA · 17678 days ago · 11 km deep · 74 km away
  51. 1.522km ESE of Anza, CA · 17678 days ago · 12 km deep · 74 km away
  52. 1.910km NNE of Borrego Springs, CA · 17677 days ago · 14 km deep · 64 km away
  53. 1.62km NW of Palomar Observatory, CA · 17677 days ago · 5 km deep · 65 km away
  54. 1.63km NNW of Palomar Observatory, CA · 17676 days ago · 5 km deep · 66 km away
  55. 2.011km SE of Anza, CA · 17675 days ago · 8 km deep · 73 km away
  56. 1.911km SE of Anza, CA · 17674 days ago · 9 km deep · 73 km away
  57. 2.823km SSW of La Quinta, CA · 17674 days ago · 14 km deep · 76 km away
  58. 1.923km SSW of La Quinta, CA · 17671 days ago · 13 km deep · 76 km away
  59. 1.621km SSW of La Quinta, CA · 17671 days ago · 13 km deep · 78 km away
  60. 1.922km SSW of La Quinta, CA · 17671 days ago · 13 km deep · 77 km away

The first 60 of 128.

Before

  1. 1.76km SW of Idyllwild, CA · 17706 days ago · 17 km deep · 99 km away
  2. 1.810km NE of Aguanga, CA · 17708 days ago · 6 km deep · 78 km away
  3. 1.714km WSW of Westmorland, CA · 17709 days ago · 9 km deep · 83 km away
  4. 1.718km W of Westmorland, CA · 17710 days ago · 4 km deep · 80 km away
  5. 2.118km W of Westmorland, CA · 17710 days ago · 5 km deep · 79 km away
  6. 2.118km W of Westmorland, CA · 17710 days ago · 5 km deep · 79 km away
  7. 2.018km W of Westmorland, CA · 17710 days ago · 5 km deep · 79 km away
  8. 1.82km NNW of Palomar Observatory, CA · 17710 days ago · 11 km deep · 66 km away
  9. 2.22km NNE of Palomar Observatory, CA · 17710 days ago · 8 km deep · 65 km away
  10. 1.63km NNE of Ocotillo Wells, CA · 17711 days ago · 11 km deep · 62 km away
  11. 1.911km SE of Anza, CA · 17711 days ago · 8 km deep · 73 km away
  12. 1.611km SE of Anza, CA · 17711 days ago · 11 km deep · 73 km away
  13. 1.64km NNE of Palomar Observatory, CA · 17712 days ago · 9 km deep · 67 km away
  14. 2.114km SSE of Bombay Beach, CA · 17712 days ago · 5 km deep · 100 km away
  15. 2.027km WSW of Westmorland, CA · 17712 days ago · 10 km deep · 71 km away
  16. 2.222km SW of Westmorland, CA · 17712 days ago · 9 km deep · 78 km away
  17. 1.79km NW of Imperial, CA · 17714 days ago · 10 km deep · 94 km away
  18. 2.43km N of Julian, CA · 17714 days ago · 16 km deep · 32 km away
  19. 1.611km SE of Anza, CA · 17714 days ago · 10 km deep · 74 km away
  20. 2.05km SW of Salton City, CA · 17715 days ago · 6 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3338680. Read Thu, Oct 1, 2026, 6:08 AM UTC.