California earthquakes

M1.6 earthquake 19km NNE of Ocotillo, CA

A magnitude 1.6 earthquake struck 19km NNE of Ocotillo, CA on Sun, Jul 18, 2021, 1:55 AM PDT (08:55 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M4.0 12km N of Westmorland, CA. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-07-18 08:55:37 UTC
Depth
7.3 km (4.5 mi), shallow
Epicenter
32.900° N, 115.950° 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, 0.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
38°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 88 in the 30 days before it.

After

  1. 1.74km SW of Progreso, B.C., MX · 1904 days ago · 10 km deep · 50 km away
  2. 1.82km ENE of Westmorland, CA · 1903 days ago · 9 km deep · 36 km away
  3. 2.22km ENE of Westmorland, CA · 1902 days ago · 9 km deep · 37 km away
  4. 1.62km ENE of Westmorland, CA · 1902 days ago · 9 km deep · 36 km away
  5. 1.515km ENE of Ocotillo, CA · 1902 days ago · 5 km deep · 19 km away
  6. 1.610km SW of Niland, CA · 1902 days ago · 3 km deep · 45 km away
  7. 2.715km NNW of Westmorland, CA · 1902 days ago · 1 km deep · 38 km away
  8. 1.77km NNE of Westmorland, CA · 1902 days ago · 10 km deep · 39 km away
  9. 1.57km WSW of Calipatria, CA · 1902 days ago · 10 km deep · 41 km away
  10. 2.27km NNE of Westmorland, CA · 1902 days ago · 9 km deep · 39 km away
  11. 1.77km SW of Holtville, CA · 1901 days ago · 11 km deep · 49 km away
  12. 1.617km E of Ocotillo, CA · 1901 days ago · 6 km deep · 21 km away
  13. 1.715km N of Borrego Springs, CA · 1900 days ago · 7 km deep · 68 km away
  14. 2.21km SSW of Brawley, CA · 1900 days ago · 11 km deep · 39 km away
  15. 1.77km W of Holtville, CA · 1900 days ago · 9 km deep · 48 km away
  16. 2.98km W of Holtville, CA · 1900 days ago · 11 km deep · 46 km away · felt by 5
  17. 2.48km W of Holtville, CA · 1900 days ago · 10 km deep · 46 km away
  18. 3.07km W of Holtville, CA · 1900 days ago · 12 km deep · 47 km away · felt by 12
  19. 1.97km W of Holtville, CA · 1900 days ago · 8 km deep · 48 km away
  20. 2.98km W of Holtville, CA · 1900 days ago · 14 km deep · 46 km away · felt by 11
  21. 2.18km W of Holtville, CA · 1900 days ago · 8 km deep · 47 km away
  22. 1.67km W of Holtville, CA · 1900 days ago · 9 km deep · 47 km away
  23. 1.92km SSW of Brawley, CA · 1900 days ago · 11 km deep · 39 km away
  24. 2.37km W of Holtville, CA · 1900 days ago · 12 km deep · 48 km away
  25. 2.07km WSW of Holtville, CA · 1900 days ago · 10 km deep · 48 km away
  26. 1.67km WSW of Holtville, CA · 1900 days ago · 9 km deep · 48 km away
  27. 1.623km SE of Campo, CA · 1899 days ago · 18 km deep · 57 km away
  28. 1.92km NW of Lake Henshaw, CA · 1897 days ago · 7 km deep · 87 km away
  29. 2.012km ESE of Anza, CA · 1897 days ago · 14 km deep · 89 km away
  30. 1.816km E of Ocotillo, CA · 1896 days ago · 7 km deep · 21 km away
  31. 1.626km NNE of North Shore, CA · 1896 days ago · 6 km deep · 95 km away
  32. 2.116km WNW of Progreso, B.C., MX · 1895 days ago · 7 km deep · 35 km away
  33. 1.86km ESE of Palomar Observatory, CA · 1894 days ago · 9 km deep · 93 km away
  34. 2.114km WNW of Progreso, B.C., MX · 1894 days ago · 8 km deep · 36 km away
  35. 2.611km NE of Indio, CA · 1894 days ago · 5 km deep · 99 km away · felt by 8
  36. 2.310km WNW of Imperial, CA · 1893 days ago · 7 km deep · 27 km away
  37. 1.712km WSW of Puebla, B.C., MX · 1893 days ago · 16 km deep · 61 km away
  38. 1.97km ENE of Imperial, CA · 1893 days ago · 9 km deep · 42 km away
  39. 1.68km ENE of Imperial, CA · 1893 days ago · 8 km deep · 43 km away
  40. 1.727km ENE of Pine Valley, CA · 1893 days ago · 5 km deep · 29 km away
  41. 1.611km N of Borrego Springs, CA · 1892 days ago · 11 km deep · 64 km away
  42. 2.422km SE of Ocotillo, CA · 1892 days ago · 10 km deep · 37 km away
  43. 1.527km SE of Campo, CA · 1892 days ago · 13 km deep · 64 km away
  44. 1.69km SW of Niland, CA · 1891 days ago · 2 km deep · 46 km away
  45. 1.944km NE of Holtville, CA · 1891 days ago · 1 km deep · 90 km away
  46. 1.537km S of Ocotillo, CA · 1890 days ago · 15 km deep · 56 km away
  47. 1.84km N of Pine Valley, CA · 1890 days ago · 13 km deep · 54 km away
  48. 1.98km SSW of Progreso, B.C., MX · 1889 days ago · 3 km deep · 53 km away
  49. 1.716km N of Ocotillo Wells, CA · 1889 days ago · 10 km deep · 48 km away
  50. 1.516km NE of Borrego Springs, CA · 1888 days ago · 11 km deep · 60 km away
  51. 1.915km WNW of Progreso, B.C., MX · 1888 days ago · 8 km deep · 35 km away
  52. 1.89km SW of Niland, CA · 1888 days ago · 2 km deep · 46 km away
  53. 1.616km E of Ocotillo Wells, CA · 1887 days ago · 8 km deep · 26 km away
  54. 1.67km SW of Niland, CA · 1886 days ago · 0 km deep · 48 km away
  55. 3.510km W of Delta, B.C., MX · 1884 days ago · 20 km deep · 86 km away · felt by 1
  56. 1.99km W of Calipatria, CA · 1883 days ago · 9 km deep · 40 km away
  57. 1.88km W of Progreso, B.C., MX · 1883 days ago · 11 km deep · 45 km away
  58. 1.513km E of Borrego Springs, CA · 1882 days ago · 9 km deep · 47 km away
  59. 2.919km N of Ocotillo, CA · 1882 days ago · 9 km deep · 1 km away · felt by 2
  60. 2.010km WSW of Niland, CA · 1882 days ago · 3 km deep · 46 km away

The first 60 of 174.

Before

  1. 2.34km N of Delta, B.C., MX · 1904 days ago · 16 km deep · 91 km away
  2. 1.716km E of Ocotillo, CA · 1906 days ago · 9 km deep · 21 km away
  3. 1.617km ESE of Julian, CA · 1906 days ago · 9 km deep · 47 km away
  4. 1.78km WNW of Holtville, CA · 1906 days ago · 9 km deep · 46 km away
  5. 1.725km WSW of Westmorland, CA · 1906 days ago · 10 km deep · 10 km away
  6. 1.68km W of Holtville, CA · 1906 days ago · 9 km deep · 46 km away
  7. 2.28km W of Holtville, CA · 1906 days ago · 9 km deep · 46 km away · felt by 1
  8. 2.98km W of Holtville, CA · 1906 days ago · 9 km deep · 46 km away · felt by 2
  9. 1.98km WNW of Holtville, CA · 1906 days ago · 9 km deep · 46 km away
  10. 2.28km WNW of Holtville, CA · 1906 days ago · 8 km deep · 46 km away
  11. 1.616km E of Ocotillo, CA · 1907 days ago · 8 km deep · 21 km away
  12. 1.88km WNW of Holtville, CA · 1907 days ago · 8 km deep · 46 km away
  13. 1.99km WNW of Holtville, CA · 1907 days ago · 8 km deep · 45 km away
  14. 1.69km WNW of Holtville, CA · 1907 days ago · 8 km deep · 46 km away
  15. 1.98km W of Holtville, CA · 1907 days ago · 8 km deep · 46 km away
  16. 2.18km WNW of Holtville, CA · 1907 days ago · 9 km deep · 46 km away
  17. 2.18km W of Holtville, CA · 1908 days ago · 9 km deep · 46 km away
  18. 1.59km WNW of Holtville, CA · 1908 days ago · 7 km deep · 46 km away
  19. 1.79km WNW of Holtville, CA · 1908 days ago · 8 km deep · 46 km away · felt by 1
  20. 1.69km WNW of Holtville, CA · 1908 days ago · 8 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39744775. Read Sun, Oct 4, 2026, 7:35 AM UTC.