California earthquakes

M1.8 earthquake 4km SW of Redlands, CA

A magnitude 1.8 earthquake struck 4km SW of Redlands, CA on Thu, Jun 10, 2021, 1:36 AM PDT (08:36 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.6 4km NNW of Yucca Valley, 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
2021-06-10 08:36:39 UTC
Depth
10.7 km (6.6 mi), shallow
Epicenter
34.029° N, 117.210° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
21°
Stations used
95

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 112 in the 60 days after this one and 77 in the 30 days before it.

After

  1. 2.38km ENE of Aguanga, CA · 1943 days ago · 2 km deep · 72 km away
  2. 1.69km ENE of Aguanga, CA · 1943 days ago · 2 km deep · 72 km away
  3. 1.95km NW of Huntington Beach, CA · 1943 days ago · 14 km deep · 84 km away · felt by 2
  4. 2.48km ENE of Aguanga, CA · 1943 days ago · 2 km deep · 72 km away
  5. 1.79km ENE of Aguanga, CA · 1943 days ago · 2 km deep · 72 km away
  6. 1.811km W of Corona, CA · 1942 days ago · 9 km deep · 48 km away
  7. 1.77km ENE of Nuevo, CA · 1942 days ago · 15 km deep · 26 km away
  8. 1.97km ENE of Nuevo, CA · 1942 days ago · 17 km deep · 26 km away
  9. 1.94km NW of Villa Park, CA · 1942 days ago · 3 km deep · 62 km away · felt by 4
  10. 1.62km N of Claremont, CA · 1940 days ago · 4 km deep · 48 km away
  11. 1.84km NW of Villa Park, CA · 1940 days ago · 5 km deep · 62 km away
  12. 1.510km ENE of Cabazon, CA · 1940 days ago · 17 km deep · 49 km away
  13. 1.638km N of Yucca Valley, CA · 1939 days ago · 4 km deep · 81 km away
  14. 2.28km ENE of Aguanga, CA · 1939 days ago · 2 km deep · 72 km away · felt by 1
  15. 1.85km S of Devore, CA · 1939 days ago · 11 km deep · 25 km away
  16. 2.63km ENE of San Jacinto, CA · 1939 days ago · 10 km deep · 37 km away · felt by 27
  17. 1.916km ESE of Anza, CA · 1939 days ago · 13 km deep · 87 km away
  18. 2.05km ESE of Yucaipa, CA · 1938 days ago · 17 km deep · 20 km away · felt by 2
  19. 1.53km ENE of Big Bear City, CA · 1936 days ago · 4 km deep · 45 km away
  20. 1.610km N of Big Bear Lake, CA · 1936 days ago · 2 km deep · 42 km away
  21. 1.76km NNE of Big Bear City, CA · 1936 days ago · 1 km deep · 47 km away
  22. 2.612km N of Big Bear City, CA · 1935 days ago · 10 km deep · 51 km away · felt by 6
  23. 1.512km N of Big Bear City, CA · 1935 days ago · 9 km deep · 51 km away
  24. 1.54km SSW of Redlands, CA · 1935 days ago · 6 km deep · 2 km away
  25. 1.64km ENE of Big Bear City, CA · 1934 days ago · 7 km deep · 47 km away
  26. 1.613km WNW of Anza, CA · 1934 days ago · 7 km deep · 62 km away
  27. 1.53km NE of Grand Terrace, CA · 1933 days ago · 17 km deep · 8 km away
  28. 1.99km NE of Aguanga, CA · 1932 days ago · 3 km deep · 72 km away
  29. 2.24km NW of Muscoy, CA · 1932 days ago · 12 km deep · 23 km away · felt by 2
  30. 2.35km S of Mentone, CA · 1931 days ago · 17 km deep · 6 km away · felt by 1
  31. 3.64km NNW of Yucca Valley, CA · 1930 days ago · 5 km deep · 72 km away · felt by 134
  32. 1.64km NNW of Yucca Valley, CA · 1930 days ago · 7 km deep · 72 km away
  33. 1.73km NE of Placentia, CA · 1929 days ago · 5 km deep · 61 km away
  34. 2.82km E of Wrightwood, CA · 1928 days ago · 8 km deep · 52 km away · felt by 17
  35. 2.95km SSE of Rancho Cucamonga, CA · 1928 days ago · 11 km deep · 33 km away · felt by 339
  36. 1.75km NW of Palomar Observatory, CA · 1927 days ago · 14 km deep · 77 km away
  37. 1.76km N of Lake Henshaw, CA · 1927 days ago · 7 km deep · 92 km away
  38. 2.014km ESE of Anza, CA · 1926 days ago · 11 km deep · 85 km away
  39. 1.66km SW of Fontana, CA · 1925 days ago · 5 km deep · 27 km away
  40. 1.67km SW of Morongo Valley, CA · 1924 days ago · 15 km deep · 53 km away
  41. 2.05km SW of Fontana, CA · 1923 days ago · 6 km deep · 27 km away · felt by 1
  42. 1.710km S of Idyllwild, CA · 1921 days ago · 16 km deep · 63 km away
  43. 2.24km NW of Fontana, CA · 1920 days ago · 6 km deep · 28 km away · felt by 25
  44. 1.86km SE of Ontario, CA · 1920 days ago · 7 km deep · 35 km away
  45. 3.44km NNW of Fontana, CA · 1920 days ago · 5 km deep · 27 km away · felt by 1,244
  46. 3.05km NNE of Running Springs, CA · 1920 days ago · 4 km deep · 27 km away · felt by 33
  47. 2.05km N of Running Springs, CA · 1920 days ago · 4 km deep · 27 km away
  48. 1.811km ESE of Anza, CA · 1919 days ago · 12 km deep · 83 km away
  49. 1.518km ESE of Anza, CA · 1919 days ago · 12 km deep · 88 km away
  50. 1.936km ENE of Lucerne Valley, CA · 1917 days ago · 1 km deep · 79 km away
  51. 1.55km SSE of Banning, CA · 1917 days ago · 12 km deep · 37 km away
  52. 2.53km ENE of San Jacinto, CA · 1916 days ago · 9 km deep · 37 km away · felt by 4
  53. 2.311km E of Yorba Linda, CA · 1916 days ago · 10 km deep · 48 km away · felt by 3
  54. 1.640km NE of Big Bear City, CA · 1916 days ago · 2 km deep · 82 km away
  55. 2.07km N of Yucca Valley, CA · 1915 days ago · 9 km deep · 73 km away · felt by 1
  56. 1.75km SW of Fontana, CA · 1915 days ago · 6 km deep · 27 km away
  57. 1.96km S of Lytle Creek, CA · 1915 days ago · 11 km deep · 33 km away · felt by 1
  58. 1.77km NNE of Running Springs, CA · 1915 days ago · 2 km deep · 29 km away
  59. 1.737km ENE of Lucerne Valley, CA · 1913 days ago · 1 km deep · 79 km away
  60. 1.96km SW of Fontana, CA · 1913 days ago · 6 km deep · 27 km away

The first 60 of 112.

Before

  1. 1.59km ENE of Aguanga, CA · 1943 days ago · 3 km deep · 72 km away
  2. 1.79km ENE of Aguanga, CA · 1943 days ago · 2 km deep · 72 km away
  3. 2.18km ENE of Aguanga, CA · 1944 days ago · 2 km deep · 72 km away
  4. 1.63km WSW of Yorba Linda, CA · 1944 days ago · 7 km deep · 60 km away · felt by 2
  5. 1.75km SSW of Redlands, CA · 1944 days ago · 16 km deep · 3 km away
  6. 1.82km WNW of Murrieta, CA · 1944 days ago · 16 km deep · 52 km away
  7. 2.43km NW of Aguanga, CA · 1945 days ago · 13 km deep · 70 km away · felt by 39
  8. 1.54km SE of Loma Linda, CA · 1946 days ago · 15 km deep · 2 km away
  9. 1.83km E of Anaheim, CA · 1946 days ago · 5 km deep · 63 km away · felt by 9
  10. 1.821km ESE of Anza, CA · 1946 days ago · 5 km deep · 91 km away
  11. 1.73km E of Anaheim, CA · 1946 days ago · 5 km deep · 63 km away
  12. 2.23km WSW of Rubidoux, CA · 1947 days ago · 16 km deep · 21 km away · felt by 1
  13. 1.92km SSW of Rancho Cucamonga, CA · 1948 days ago · 10 km deep · 36 km away
  14. 1.77km ENE of Yorba Linda, CA · 1948 days ago · 10 km deep · 51 km away
  15. 1.614km SE of Anza, CA · 1949 days ago · 10 km deep · 86 km away
  16. 2.13km W of Calimesa, CA · 1950 days ago · 16 km deep · 12 km away
  17. 1.624km N of Yucca Valley, CA · 1950 days ago · 9 km deep · 76 km away
  18. 2.37km NNW of Big Bear Lake, CA · 1950 days ago · 8 km deep · 40 km away · felt by 3
  19. 1.79km E of Moreno Valley, CA · 1951 days ago · 18 km deep · 13 km away
  20. 1.63km E of Gardena, CA · 1951 days ago · 13 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39932560. Read Mon, Oct 5, 2026, 9:17 AM UTC.