California earthquakes

M1.8 earthquake 13km W of Ludlow, CA

A magnitude 1.8 earthquake struck 13km W of Ludlow, CA on Sat, Aug 28, 2021, 12:11 AM PDT (07:11 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.2 28km NE of Indio, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-08-28 07:11:31 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
34.728° N, 116.300° 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
±0.15
Depth from
From location
Station coverage gap
44°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.914km NE of Big Bear City, CA · 1858 days ago · 3 km deep · 58 km away
  2. 1.827km NE of Indio, CA · 1857 days ago · 2 km deep · 97 km away
  3. 1.67km NW of Big Bear City, CA · 1857 days ago · 9 km deep · 71 km away
  4. 1.97km NW of Big Bear City, CA · 1857 days ago · 9 km deep · 71 km away
  5. 1.728km N of Yucca Valley, CA · 1854 days ago · 4 km deep · 43 km away
  6. 2.03km ESE of Yucca Valley, CA · 1854 days ago · 10 km deep · 70 km away
  7. 1.67km ENE of Cabazon, CA · 1851 days ago · 11 km deep · 96 km away
  8. 1.63km SSE of Yucca Valley, CA · 1851 days ago · 10 km deep · 72 km away
  9. 1.64km S of Lucerne Valley, CA · 1848 days ago · 8 km deep · 71 km away
  10. 1.57km ENE of Cabazon, CA · 1847 days ago · 11 km deep · 96 km away
  11. 1.54km ENE of Big Bear City, CA · 1847 days ago · 8 km deep · 68 km away
  12. 1.99km NNW of Cabazon, CA · 1846 days ago · 20 km deep · 94 km away
  13. 1.826km N of Yucca Valley, CA · 1844 days ago · 5 km deep · 45 km away · felt by 1
  14. 2.28km SSE of Big Bear City, CA · 1843 days ago · 11 km deep · 76 km away
  15. 3.228km NE of Indio, CA · 1839 days ago · 5 km deep · 100 km away · felt by 18
  16. 1.713km SE of Big Bear City, CA · 1839 days ago · 0 km deep · 72 km away
  17. 1.813km SE of Big Bear City, CA · 1839 days ago · 1 km deep · 72 km away
  18. 2.212km NNE of Barstow, CA · 1837 days ago · 4 km deep · 66 km away
  19. 1.820km NNW of Barstow, CA · 1836 days ago · 5 km deep · 81 km away
  20. 1.813km NNE of Banning, CA · 1835 days ago · 14 km deep · 91 km away
  21. 2.216km ENE of Yucaipa, CA · 1831 days ago · 12 km deep · 89 km away
  22. 1.97km NNW of Cabazon, CA · 1830 days ago · 14 km deep · 96 km away
  23. 3.13km NNW of Yucca Valley, CA · 1829 days ago · 7 km deep · 67 km away · felt by 103
  24. 1.612km ESE of Lucerne Valley, CA · 1828 days ago · 7 km deep · 63 km away
  25. 2.111km NE of Yucaipa, CA · 1820 days ago · 12 km deep · 92 km away · felt by 1
  26. 1.69km SW of Morongo Valley, CA · 1818 days ago · 18 km deep · 88 km away
  27. 1.914km S of Joshua Tree, CA · 1813 days ago · 8 km deep · 80 km away
  28. 1.67km NW of Big Bear City, CA · 1810 days ago · 10 km deep · 71 km away
  29. 1.513km SE of Big Bear City, CA · 1805 days ago · 0 km deep · 72 km away
  30. 1.513km SE of Big Bear City, CA · 1805 days ago · 0 km deep · 72 km away
  31. 1.713km SE of Big Bear City, CA · 1805 days ago · 2 km deep · 72 km away
  32. 2.213km SE of Big Bear City, CA · 1805 days ago · 1 km deep · 73 km away
  33. 2.214km WSW of Ludlow, CA · 1805 days ago · 5 km deep · 8 km away
  34. 2.56km E of Yucaipa, CA · 1804 days ago · 20 km deep · 99 km away · felt by 2
  35. 1.813km SE of Big Bear City, CA · 1804 days ago · 1 km deep · 72 km away
  36. 2.018km SW of Ludlow, CA · 1804 days ago · 3 km deep · 16 km away
  37. 1.76km NE of Cabazon, CA · 1803 days ago · 16 km deep · 95 km away

Before

  1. 1.525km N of Yucca Valley, CA · 1869 days ago · 11 km deep · 46 km away
  2. 2.09km S of Joshua Tree, CA · 1869 days ago · 7 km deep · 75 km away
  3. 1.817km S of Big Bear City, CA · 1872 days ago · 6 km deep · 84 km away
  4. 2.213km NNE of Cabazon, CA · 1872 days ago · 10 km deep · 88 km away · felt by 1
  5. 1.619km NNE of Indio, CA · 1873 days ago · 6 km deep · 94 km away
  6. 1.819km NNE of Indio, CA · 1873 days ago · 5 km deep · 94 km away
  7. 3.13km NNW of Yucca Valley, CA · 1875 days ago · 4 km deep · 67 km away · felt by 44
  8. 1.926km N of Yucca Valley, CA · 1876 days ago · 3 km deep · 45 km away
  9. 1.828km E of Barstow, CA · 1881 days ago · 1 km deep · 44 km away
  10. 1.727km NE of Indio, CA · 1881 days ago · 3 km deep · 97 km away
  11. 1.727km NE of Indio, CA · 1881 days ago · 3 km deep · 97 km away
  12. 1.627km NE of Indio, CA · 1882 days ago · 2 km deep · 98 km away
  13. 1.614km SW of Ludlow, CA · 1882 days ago · 3 km deep · 9 km away
  14. 1.86km NW of Desert Hot Springs, CA · 1883 days ago · 10 km deep · 85 km away
  15. 2.79km NNW of Big Bear City, CA · 1886 days ago · 2 km deep · 67 km away · felt by 9
  16. 1.711km SSE of Big Bear Lake, CA · 1887 days ago · 7 km deep · 83 km away
  17. 1.540km SW of Ludlow, CA · 1888 days ago · 1 km deep · 31 km away · felt by 1
  18. 1.910km WSW of Morongo Valley, CA · 1889 days ago · 13 km deep · 86 km away
  19. 1.838km SSE of Fort Irwin, CA · 1889 days ago · 3 km deep · 33 km away
  20. 1.511km ENE of Yucaipa, CA · 1892 days ago · 13 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci40025248. Read Sun, Oct 4, 2026, 12:31 PM UTC.