California earthquakes

M1.8 earthquake 10km NW of Anza, CA

A magnitude 1.8 earthquake struck 10km NW of Anza, CA on Wed, May 5, 2021, 6:30 PM PDT (01:30 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.6 4km NNW of Yucca Valley, CA. This one was a foreshock.

Anza forecastMore in California

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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
2021-05-06 01:30:23 UTC
Depth
15.9 km (9.9 mi), shallow
Epicenter
33.629° N, 116.739° 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, 0.4 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
25°
Stations used
61

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 159 in the 60 days after this one and 86 in the 30 days before it.

After

  1. 2.26km NW of Mira Loma, CA · 1977 days ago · 7 km deep · 88 km away · felt by 46
  2. 1.611km ENE of North Tustin, CA · 1976 days ago · 8 km deep · 90 km away
  3. 1.89km ENE of Anza, CA · 1976 days ago · 13 km deep · 16 km away
  4. 2.511km SSW of Idyllwild, CA · 1976 days ago · 14 km deep · 4 km away · felt by 7
  5. 2.310km SSW of Idyllwild, CA · 1976 days ago · 14 km deep · 4 km away
  6. 2.311km SSW of Idyllwild, CA · 1975 days ago · 15 km deep · 4 km away
  7. 1.917km N of Yucca Valley, CA · 1974 days ago · 3 km deep · 76 km away
  8. 1.86km NNE of Lake Henshaw, CA · 1974 days ago · 12 km deep · 38 km away
  9. 1.716km N of Yucca Valley, CA · 1974 days ago · 3 km deep · 76 km away
  10. 2.217km N of Yucca Valley, CA · 1974 days ago · 2 km deep · 76 km away
  11. 1.610km SSE of Yucca Valley, CA · 1974 days ago · 9 km deep · 55 km away
  12. 1.59km ENE of Borrego Springs, CA · 1974 days ago · 4 km deep · 57 km away
  13. 3.04km SE of Loma Linda, CA · 1973 days ago · 16 km deep · 64 km away · felt by 187
  14. 1.916km NE of Thousand Palms, CA · 1973 days ago · 9 km deep · 54 km away
  15. 1.67km E of Cabazon, CA · 1973 days ago · 14 km deep · 32 km away
  16. 1.74km S of Idyllwild, CA · 1973 days ago · 18 km deep · 8 km away
  17. 2.211km NNE of Borrego Springs, CA · 1972 days ago · 12 km deep · 47 km away · felt by 1
  18. 1.64km SE of Chino Hills, CA · 1971 days ago · 14 km deep · 99 km away
  19. 2.14km SE of Loma Linda, CA · 1971 days ago · 17 km deep · 63 km away · felt by 2
  20. 1.66km W of Big Bear Lake, CA · 1971 days ago · 10 km deep · 71 km away
  21. 1.85km E of Yucaipa, CA · 1970 days ago · 12 km deep · 51 km away
  22. 1.54km SE of Loma Linda, CA · 1970 days ago · 15 km deep · 63 km away
  23. 1.524km SSW of Ocotillo Wells, CA · 1970 days ago · 10 km deep · 91 km away
  24. 1.69km SW of Morongo Valley, CA · 1970 days ago · 18 km deep · 41 km away
  25. 1.64km NNE of San Bernardino, CA · 1970 days ago · 7 km deep · 78 km away
  26. 1.86km NNE of Fontana, CA · 1969 days ago · 11 km deep · 87 km away
  27. 2.07km NNE of Fontana, CA · 1969 days ago · 11 km deep · 87 km away · felt by 2
  28. 2.110km NNE of Banning, CA · 1969 days ago · 12 km deep · 44 km away
  29. 2.030km SE of Twentynine Palms, CA · 1968 days ago · 5 km deep · 90 km away · felt by 1
  30. 1.610km S of Borrego Springs, CA · 1968 days ago · 8 km deep · 62 km away
  31. 1.613km ENE of Borrego Springs, CA · 1967 days ago · 11 km deep · 60 km away
  32. 1.64km ENE of Big Bear City, CA · 1967 days ago · 7 km deep · 73 km away
  33. 1.73km NNE of Ocotillo Wells, CA · 1967 days ago · 11 km deep · 77 km away
  34. 1.72km SE of Palomar Observatory, CA · 1967 days ago · 8 km deep · 33 km away
  35. 2.128km N of Yucca Valley, CA · 1967 days ago · 5 km deep · 85 km away
  36. 1.67km NNW of Mira Loma, CA · 1967 days ago · 12 km deep · 88 km away
  37. 1.59km NE of Ocotillo Wells, CA · 1967 days ago · 7 km deep · 79 km away
  38. 2.15km SW of Salton City, CA · 1966 days ago · 3 km deep · 81 km away · felt by 1
  39. 1.511km E of Yorba Linda, CA · 1965 days ago · 8 km deep · 92 km away
  40. 1.64km SW of Rancho Cucamonga, CA · 1965 days ago · 12 km deep · 96 km away
  41. 1.56km N of Banning, CA · 1965 days ago · 19 km deep · 40 km away
  42. 1.53km NNE of Ocotillo Wells, CA · 1965 days ago · 10 km deep · 77 km away
  43. 1.839km NE of Big Bear City, CA · 1964 days ago · 3 km deep · 97 km away
  44. 1.610km S of Borrego Springs, CA · 1964 days ago · 5 km deep · 61 km away
  45. 1.818km SE of Ocotillo Wells, CA · 1964 days ago · 10 km deep · 96 km away
  46. 1.51km NNE of Loma Linda, CA · 1963 days ago · 17 km deep · 68 km away
  47. 1.615km N of Yucca Valley, CA · 1962 days ago · 3 km deep · 75 km away
  48. 1.811km S of Salton City, CA · 1962 days ago · 9 km deep · 88 km away
  49. 1.524km SSW of Ocotillo Wells, CA · 1962 days ago · 11 km deep · 91 km away
  50. 1.910km ESE of Cabazon, CA · 1958 days ago · 13 km deep · 28 km away
  51. 1.517km N of Ocotillo Wells, CA · 1958 days ago · 3 km deep · 65 km away
  52. 2.36km NNE of Borrego Springs, CA · 1957 days ago · 12 km deep · 51 km away · felt by 1
  53. 2.16km ESE of Valle Vista, CA · 1957 days ago · 17 km deep · 14 km away · felt by 4
  54. 1.85km S of Banning, CA · 1957 days ago · 14 km deep · 31 km away
  55. 2.111km E of Yorba Linda, CA · 1956 days ago · 10 km deep · 92 km away · felt by 1
  56. 1.95km N of Yucca Valley, CA · 1955 days ago · 6 km deep · 65 km away
  57. 2.24km NNW of Yucca Valley, CA · 1955 days ago · 6 km deep · 64 km away · felt by 2
  58. 1.810km S of Idyllwild, CA · 1955 days ago · 17 km deep · 4 km away
  59. 1.54km NNW of Yucca Valley, CA · 1955 days ago · 4 km deep · 64 km away
  60. 2.34km NNW of Yucca Valley, CA · 1954 days ago · 6 km deep · 64 km away

The first 60 of 159.

Before

  1. 2.85km WSW of Morongo Valley, CA · 1977 days ago · 10 km deep · 46 km away · felt by 22
  2. 1.820km E of Anza, CA · 1977 days ago · 6 km deep · 29 km away
  3. 1.78km E of Borrego Springs, CA · 1977 days ago · 10 km deep · 60 km away
  4. 1.53km E of Fontana, CA · 1977 days ago · 3 km deep · 82 km away
  5. 1.82km S of Cabazon, CA · 1978 days ago · 16 km deep · 30 km away
  6. 1.611km NNW of Anza, CA · 1979 days ago · 14 km deep · 1 km away
  7. 2.010km S of Borrego Springs, CA · 1979 days ago · 6 km deep · 61 km away
  8. 1.810km NNW of Alpine, CA · 1979 days ago · 15 km deep · 80 km away · felt by 12
  9. 1.918km ESE of Anza, CA · 1979 days ago · 13 km deep · 27 km away
  10. 1.618km ESE of Anza, CA · 1979 days ago · 13 km deep · 27 km away
  11. 1.64km WSW of Salton City, CA · 1980 days ago · 4 km deep · 79 km away
  12. 1.69km NE of Aguanga, CA · 1980 days ago · 3 km deep · 16 km away
  13. 1.910km SSW of San Diego Country Estates, CA · 1980 days ago · 14 km deep · 79 km away · felt by 6
  14. 1.75km N of Yucca Valley, CA · 1981 days ago · 6 km deep · 65 km away
  15. 1.66km SE of Loma Linda, CA · 1982 days ago · 10 km deep · 62 km away
  16. 1.53km NNW of Fontana, CA · 1982 days ago · 4 km deep · 87 km away
  17. 2.61km N of Yucaipa, CA · 1982 days ago · 11 km deep · 54 km away · felt by 44
  18. 2.03km NNW of Fontana, CA · 1983 days ago · 5 km deep · 87 km away · felt by 2
  19. 1.59km S of Banning, CA · 1984 days ago · 13 km deep · 27 km away
  20. 3.510km S of Borrego Springs, CA · 1984 days ago · 7 km deep · 62 km away · felt by 283

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39642415. Read Sat, Oct 3, 2026, 8:15 PM UTC.