California earthquakes

M1.5 earthquake 6km SSW of Redlands, CA

A magnitude 1.5 earthquake struck 6km SSW of Redlands, CA on Tue, Aug 10, 2021, 10:50 AM PDT (17:50 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.3 2km E of Carson, CA. This one was a foreshock.

Redlands 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
1.5 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-08-10 17:50:56 UTC
Depth
14.1 km (8.7 mi), shallow
Epicenter
34.007° N, 117.206° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
29°
Stations used
74

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 1.76km ESE of Cabazon, CA · 1880 days ago · 16 km deep · 46 km away · felt by 1
  2. 2.53km WSW of Fontana, CA · 1878 days ago · 9 km deep · 28 km away · felt by 83
  3. 1.68km ESE of Valle Vista, CA · 1878 days ago · 17 km deep · 48 km away
  4. 2.45km S of Redlands, CA · 1877 days ago · 14 km deep · 2 km away
  5. 1.926km N of Yucca Valley, CA · 1875 days ago · 3 km deep · 78 km away
  6. 3.13km NNW of Yucca Valley, CA · 1874 days ago · 4 km deep · 72 km away · felt by 44
  7. 1.81km NNW of La Puente, CA · 1874 days ago · 9 km deep · 69 km away
  8. 2.36km NNE of Beaumont, CA · 1874 days ago · 16 km deep · 22 km away
  9. 1.55km NNE of Fontana, CA · 1873 days ago · 7 km deep · 26 km away
  10. 1.819km NNE of Indio, CA · 1873 days ago · 5 km deep · 96 km away
  11. 1.619km NNE of Indio, CA · 1873 days ago · 6 km deep · 96 km away
  12. 2.213km NNE of Cabazon, CA · 1872 days ago · 10 km deep · 42 km away · felt by 1
  13. 1.817km S of Big Bear City, CA · 1872 days ago · 6 km deep · 37 km away
  14. 1.64km N of Rancho Cucamonga, CA · 1869 days ago · 11 km deep · 38 km away
  15. 1.510km S of Idyllwild, CA · 1869 days ago · 15 km deep · 60 km away
  16. 2.09km S of Joshua Tree, CA · 1869 days ago · 7 km deep · 82 km away
  17. 1.525km N of Yucca Valley, CA · 1868 days ago · 11 km deep · 78 km away
  18. 1.94km NE of Temecula, CA · 1868 days ago · 9 km deep · 54 km away
  19. 1.710km NE of Aguanga, CA · 1867 days ago · 4 km deep · 69 km away
  20. 1.83km SSE of Devore, CA · 1867 days ago · 12 km deep · 27 km away
  21. 2.34km NE of Beaumont, CA · 1865 days ago · 14 km deep · 24 km away · felt by 1
  22. 1.83km SSE of Garden Grove, CA · 1862 days ago · 15 km deep · 74 km away
  23. 1.614km WNW of Anza, CA · 1862 days ago · 5 km deep · 59 km away
  24. 1.67km S of Idyllwild, CA · 1862 days ago · 14 km deep · 57 km away
  25. 1.56km S of Pearblossom, CA · 1862 days ago · 9 km deep · 81 km away · felt by 1
  26. 1.64km N of Fontana, CA · 1861 days ago · 6 km deep · 28 km away · felt by 2
  27. 1.74km N of Fontana, CA · 1861 days ago · 7 km deep · 27 km away
  28. 1.72km ESE of Loma Linda, CA · 1860 days ago · 14 km deep · 5 km away
  29. 1.914km WNW of Anza, CA · 1860 days ago · 5 km deep · 59 km away
  30. 2.03km E of Loma Linda, CA · 1858 days ago · 14 km deep · 6 km away
  31. 1.75km NNW of Beaumont, CA · 1857 days ago · 16 km deep · 19 km away
  32. 1.914km NE of Big Bear City, CA · 1857 days ago · 3 km deep · 58 km away
  33. 1.67km NW of Big Bear City, CA · 1857 days ago · 9 km deep · 44 km away
  34. 1.97km NW of Big Bear City, CA · 1857 days ago · 9 km deep · 44 km away
  35. 1.64km WNW of Idyllwild, CA · 1856 days ago · 13 km deep · 50 km away · felt by 1
  36. 1.914km WNW of Anza, CA · 1856 days ago · 5 km deep · 59 km away · felt by 2
  37. 1.814km WNW of Anza, CA · 1856 days ago · 5 km deep · 59 km away
  38. 1.64km SW of Highland, CA · 1855 days ago · 9 km deep · 11 km away
  39. 1.64km NE of Whittier, CA · 1854 days ago · 29 km deep · 74 km away
  40. 1.74km SE of Yucaipa, CA · 1854 days ago · 17 km deep · 17 km away · felt by 1
  41. 1.728km N of Yucca Valley, CA · 1854 days ago · 4 km deep · 79 km away
  42. 2.03km ESE of Yucca Valley, CA · 1854 days ago · 10 km deep · 75 km away
  43. 2.715km SE of Anza, CA · 1854 days ago · 12 km deep · 85 km away
  44. 2.72km WNW of Lake Henshaw, CA · 1853 days ago · 6 km deep · 93 km away · felt by 7
  45. 1.814km WNW of Anza, CA · 1853 days ago · 6 km deep · 59 km away
  46. 2.410km SSW of Idyllwild, CA · 1852 days ago · 15 km deep · 58 km away
  47. 1.84km NE of Beaumont, CA · 1852 days ago · 14 km deep · 24 km away
  48. 2.65km SE of Loma Linda, CA · 1852 days ago · 15 km deep · 2 km away · felt by 5
  49. 2.65km NNE of Fontana, CA · 1850 days ago · 7 km deep · 27 km away · felt by 16
  50. 1.65km NNE of Fontana, CA · 1850 days ago · 7 km deep · 27 km away
  51. 1.67km ENE of Cabazon, CA · 1850 days ago · 11 km deep · 46 km away
  52. 1.63km SSE of Yucca Valley, CA · 1850 days ago · 10 km deep · 73 km away
  53. 2.63km NNW of La Verne, CA · 1849 days ago · 6 km deep · 54 km away · felt by 50
  54. 1.64km S of Lucerne Valley, CA · 1848 days ago · 8 km deep · 50 km away
  55. 1.57km ENE of Cabazon, CA · 1847 days ago · 11 km deep · 46 km away
  56. 1.54km ENE of Big Bear City, CA · 1847 days ago · 8 km deep · 48 km away
  57. 2.24km NE of Beaumont, CA · 1846 days ago · 17 km deep · 24 km away
  58. 1.85km NE of Wildomar, CA · 1846 days ago · 15 km deep · 41 km away · felt by 4
  59. 1.99km NNW of Cabazon, CA · 1846 days ago · 20 km deep · 36 km away
  60. 2.92km SSE of Lytle Creek, CA · 1845 days ago · 8 km deep · 37 km away · felt by 59

The first 60 of 107.

Before

  1. 1.621km ESE of Anza, CA · 1880 days ago · 5 km deep · 89 km away
  2. 1.86km NW of Desert Hot Springs, CA · 1882 days ago · 10 km deep · 60 km away
  3. 1.76km S of Calimesa, CA · 1883 days ago · 4 km deep · 16 km away
  4. 2.26km SE of Valle Vista, CA · 1884 days ago · 16 km deep · 47 km away · felt by 6
  5. 1.710km S of Idyllwild, CA · 1884 days ago · 18 km deep · 61 km away
  6. 1.65km WNW of Muscoy, CA · 1885 days ago · 11 km deep · 25 km away
  7. 1.63km S of Mentone, CA · 1885 days ago · 13 km deep · 8 km away
  8. 1.95km N of Beaumont, CA · 1886 days ago · 13 km deep · 21 km away
  9. 3.12km NW of Hemet, CA · 1886 days ago · 17 km deep · 35 km away · felt by 573
  10. 2.79km NNW of Big Bear City, CA · 1886 days ago · 2 km deep · 48 km away · felt by 9
  11. 1.711km SSE of Big Bear Lake, CA · 1886 days ago · 7 km deep · 34 km away
  12. 1.52km WSW of Costa Mesa, CA · 1887 days ago · 10 km deep · 78 km away
  13. 1.51km E of Beaumont, CA · 1887 days ago · 16 km deep · 23 km away
  14. 1.540km SW of Ludlow, CA · 1888 days ago · 1 km deep · 85 km away · felt by 1
  15. 1.910km WSW of Morongo Valley, CA · 1889 days ago · 13 km deep · 48 km away
  16. 2.06km S of Redlands, CA · 1890 days ago · 14 km deep · 1 km away
  17. 1.62km ENE of Colton, CA · 1890 days ago · 16 km deep · 12 km away · felt by 1
  18. 3.04km SW of Redlands, CA · 1891 days ago · 15 km deep · 3 km away · felt by 153
  19. 1.511km ENE of Yucaipa, CA · 1891 days ago · 13 km deep · 26 km away
  20. 2.014km ENE of Yucaipa, CA · 1892 days ago · 8 km deep · 29 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39769855. Read Sun, Oct 4, 2026, 1:52 AM UTC.