California earthquakes

M1.8 earthquake 4km N of Pine Valley, CA

A magnitude 1.8 earthquake struck 4km N of Pine Valley, CA on Sun, Aug 1, 2021, 6:46 AM PDT (13:46 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.0 12km N of Westmorland, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-08-01 13:46:57 UTC
Depth
12.6 km (7.8 mi), shallow
Epicenter
32.855° N, 116.529° 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 0.2 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
45°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 161 in the 60 days after this one and 82 in the 30 days before it.

After

  1. 1.98km SSW of Progreso, B.C., MX · 1889 days ago · 3 km deep · 93 km away
  2. 1.716km N of Ocotillo Wells, CA · 1889 days ago · 10 km deep · 59 km away
  3. 1.516km NE of Borrego Springs, CA · 1888 days ago · 11 km deep · 62 km away
  4. 1.915km WNW of Progreso, B.C., MX · 1888 days ago · 8 km deep · 79 km away
  5. 1.89km SW of Niland, CA · 1888 days ago · 2 km deep · 94 km away
  6. 1.616km E of Ocotillo Wells, CA · 1887 days ago · 8 km deep · 61 km away
  7. 1.913km W of Carlsbad, CA · 1887 days ago · 13 km deep · 95 km away
  8. 1.67km SW of Niland, CA · 1886 days ago · 0 km deep · 97 km away
  9. 2.55km WSW of Primo Tapia, B.C., MX · 1885 days ago · 15 km deep · 83 km away
  10. 1.710km S of Idyllwild, CA · 1884 days ago · 18 km deep · 90 km away
  11. 2.26km SE of Valle Vista, CA · 1884 days ago · 16 km deep · 100 km away · felt by 6
  12. 1.99km W of Calipatria, CA · 1883 days ago · 9 km deep · 91 km away
  13. 1.88km W of Progreso, B.C., MX · 1883 days ago · 11 km deep · 87 km away
  14. 1.513km E of Borrego Springs, CA · 1882 days ago · 9 km deep · 51 km away
  15. 2.919km N of Ocotillo, CA · 1882 days ago · 9 km deep · 54 km away · felt by 2
  16. 2.010km WSW of Niland, CA · 1882 days ago · 3 km deep · 93 km away
  17. 1.621km ESE of Anza, CA · 1881 days ago · 5 km deep · 73 km away
  18. 1.65km WSW of Salton City, CA · 1879 days ago · 3 km deep · 68 km away
  19. 1.515km N of Ocotillo, CA · 1879 days ago · 8 km deep · 48 km away
  20. 1.68km ESE of Valle Vista, CA · 1878 days ago · 17 km deep · 99 km away
  21. 1.811km W of Calipatria, CA · 1877 days ago · 7 km deep · 90 km away
  22. 2.244km ENE of Ensenada, B.C., MX · 1877 days ago · 11 km deep · 96 km away
  23. 1.88km W of Progreso, B.C., MX · 1876 days ago · 8 km deep · 87 km away
  24. 2.214km N of Ocotillo, CA · 1875 days ago · 9 km deep · 52 km away
  25. 2.214km N of Ocotillo, CA · 1875 days ago · 9 km deep · 52 km away
  26. 1.918km ESE of Ocotillo Wells, CA · 1873 days ago · 1 km deep · 59 km away
  27. 2.818km ESE of Ocotillo Wells, CA · 1873 days ago · 4 km deep · 59 km away · felt by 1
  28. 2.118km ESE of Ocotillo Wells, CA · 1872 days ago · 8 km deep · 59 km away
  29. 2.119km ESE of Ocotillo Wells, CA · 1872 days ago · 5 km deep · 59 km away
  30. 1.618km ESE of Ocotillo Wells, CA · 1872 days ago · 5 km deep · 59 km away
  31. 2.718km ESE of Ocotillo Wells, CA · 1872 days ago · 7 km deep · 59 km away
  32. 2.518km ESE of Ocotillo Wells, CA · 1872 days ago · 4 km deep · 59 km away
  33. 2.318km ESE of Ocotillo Wells, CA · 1872 days ago · 5 km deep · 59 km away
  34. 1.718km ESE of Ocotillo Wells, CA · 1872 days ago · 4 km deep · 59 km away
  35. 1.618km ESE of Ocotillo Wells, CA · 1872 days ago · 5 km deep · 59 km away
  36. 2.219km ESE of Ocotillo Wells, CA · 1872 days ago · 3 km deep · 59 km away
  37. 2.018km ESE of Ocotillo Wells, CA · 1872 days ago · 5 km deep · 59 km away
  38. 4.018km ESE of Ocotillo Wells, CA · 1872 days ago · 7 km deep · 58 km away · felt by 46
  39. 3.817km ESE of Ocotillo Wells, CA · 1872 days ago · 4 km deep · 58 km away · felt by 7
  40. 2.418km ESE of Ocotillo Wells, CA · 1872 days ago · 2 km deep · 59 km away
  41. 1.619km ESE of Ocotillo Wells, CA · 1872 days ago · 7 km deep · 59 km away · felt by 1
  42. 2.018km ESE of Ocotillo Wells, CA · 1872 days ago · 4 km deep · 59 km away
  43. 2.518km ESE of Ocotillo Wells, CA · 1872 days ago · 3 km deep · 58 km away
  44. 1.719km ESE of Ocotillo Wells, CA · 1872 days ago · 5 km deep · 59 km away
  45. 2.818km ESE of Ocotillo Wells, CA · 1872 days ago · 3 km deep · 58 km away
  46. 2.127km SE of Ocotillo Wells, CA · 1872 days ago · 10 km deep · 59 km away
  47. 1.927km WSW of Westmorland, CA · 1872 days ago · 11 km deep · 60 km away
  48. 3.418km ESE of Ocotillo Wells, CA · 1872 days ago · 3 km deep · 58 km away · felt by 2
  49. 1.918km ESE of Ocotillo Wells, CA · 1872 days ago · 4 km deep · 58 km away
  50. 1.519km ESE of Ocotillo Wells, CA · 1872 days ago · 5 km deep · 60 km away
  51. 1.620km ESE of Ocotillo Wells, CA · 1872 days ago · 8 km deep · 61 km away
  52. 1.519km ESE of Ocotillo Wells, CA · 1871 days ago · 3 km deep · 59 km away
  53. 1.918km ESE of Ocotillo Wells, CA · 1871 days ago · 3 km deep · 58 km away
  54. 1.614km NW of Ocotillo, CA · 1871 days ago · 9 km deep · 39 km away
  55. 1.519km ESE of Ocotillo Wells, CA · 1870 days ago · 4 km deep · 59 km away
  56. 1.510km S of Idyllwild, CA · 1869 days ago · 15 km deep · 90 km away
  57. 1.619km ESE of Ocotillo Wells, CA · 1868 days ago · 7 km deep · 59 km away
  58. 1.94km NE of Temecula, CA · 1868 days ago · 9 km deep · 92 km away
  59. 1.65km WSW of Niland, CA · 1868 days ago · 4 km deep · 99 km away
  60. 1.85km W of Niland, CA · 1868 days ago · 3 km deep · 99 km away

The first 60 of 161.

Before

  1. 1.537km S of Ocotillo, CA · 1890 days ago · 15 km deep · 67 km away
  2. 1.69km SW of Niland, CA · 1891 days ago · 2 km deep · 95 km away
  3. 1.527km SE of Campo, CA · 1892 days ago · 13 km deep · 54 km away
  4. 2.422km SE of Ocotillo, CA · 1892 days ago · 10 km deep · 70 km away
  5. 1.611km N of Borrego Springs, CA · 1892 days ago · 11 km deep · 58 km away
  6. 1.727km ENE of Pine Valley, CA · 1892 days ago · 5 km deep · 26 km away
  7. 1.68km ENE of Imperial, CA · 1893 days ago · 8 km deep · 97 km away
  8. 1.97km ENE of Imperial, CA · 1893 days ago · 9 km deep · 96 km away
  9. 2.310km WNW of Imperial, CA · 1893 days ago · 7 km deep · 81 km away
  10. 2.114km WNW of Progreso, B.C., MX · 1894 days ago · 8 km deep · 80 km away
  11. 1.86km ESE of Palomar Observatory, CA · 1894 days ago · 9 km deep · 60 km away
  12. 1.714km SW of Coronado, CA · 1894 days ago · 18 km deep · 77 km away
  13. 2.116km WNW of Progreso, B.C., MX · 1895 days ago · 7 km deep · 78 km away
  14. 1.69km S of Idyllwild, CA · 1896 days ago · 12 km deep · 91 km away
  15. 1.510km SSW of Idyllwild, CA · 1896 days ago · 13 km deep · 91 km away
  16. 1.816km E of Ocotillo, CA · 1896 days ago · 7 km deep · 68 km away
  17. 2.012km ESE of Anza, CA · 1897 days ago · 14 km deep · 74 km away
  18. 1.92km NW of Lake Henshaw, CA · 1897 days ago · 7 km deep · 50 km away
  19. 1.623km SE of Campo, CA · 1899 days ago · 18 km deep · 49 km away
  20. 1.95km SW of Idyllwild, CA · 1899 days ago · 17 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39760591. Read Sun, Oct 4, 2026, 5:37 AM UTC.