California earthquakes

M1.6 earthquake 16km ESE of Anza, CA

A magnitude 1.6 earthquake struck 16km ESE of Anza, CA on Thu, Feb 28, 2002, 2:31 PM PST (22:31 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.8 6km SSE of Lake Henshaw, CA. This one was a foreshock.

Anza 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
1.6 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-02-28 22:31:47 UTC
Depth
12.1 km (7.5 mi), shallow
Epicenter
33.511° N, 116.514° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.31
Depth from
From location
Station coverage gap
48°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 169 in the 30 days before it.

After

  1. 2.221km N of Yucca Valley, CA · 8984 days ago · 8 km deep · 89 km away
  2. 1.88km E of Big Bear City, CA · 8984 days ago · 2 km deep · 86 km away
  3. 2.66km WSW of Ocotillo, CA · 8983 days ago · 6 km deep · 98 km away
  4. 1.66km WSW of Ocotillo, CA · 8983 days ago · 3 km deep · 97 km away
  5. 2.222km WSW of Westmorland, CA · 8983 days ago · 5 km deep · 84 km away
  6. 1.92km N of Grand Terrace, CA · 8982 days ago · 14 km deep · 95 km away
  7. 1.83km E of Hemet, CA · 8982 days ago · 18 km deep · 47 km away
  8. 2.212km SSW of Idyllwild, CA · 8982 days ago · 15 km deep · 29 km away
  9. 1.810km SW of Niland, California · 8982 days ago · 2 km deep · 93 km away
  10. 2.44km NNE of Westmorland, CA · 8982 days ago · 15 km deep · 98 km away
  11. 2.39km SE of Valle Vista, CA · 8981 days ago · 4 km deep · 34 km away
  12. 1.710km NE of Ocotillo Wells, CA · 8981 days ago · 7 km deep · 53 km away
  13. 1.66km WNW of Big Bear Lake, California · 8980 days ago · 6 km deep · 94 km away
  14. 1.911km S of Joshua Tree, CA · 8980 days ago · 7 km deep · 61 km away
  15. 1.615km NNE of Thousand Palms, CA · 8980 days ago · 7 km deep · 52 km away
  16. 1.726km N of Yucca Valley, CA · 8980 days ago · 4 km deep · 93 km away
  17. 2.013km NNW of Westmorland, CA · 8980 days ago · 0 km deep · 89 km away
  18. 2.38km WNW of Calipatria, CA · 8980 days ago · 6 km deep · 94 km away
  19. 2.017km SSE of Ocotillo Wells, California · 8979 days ago · 6 km deep · 70 km away
  20. 1.83km SSE of Redlands, CA · 8979 days ago · 15 km deep · 84 km away
  21. 1.522km ESE of Anza, CA · 8979 days ago · 7 km deep · 6 km away
  22. 1.512km E of Ocotillo Wells, CA · 8978 days ago · 14 km deep · 62 km away
  23. 1.711km ENE of Ocotillo Wells, California · 8978 days ago · 6 km deep · 57 km away
  24. 1.83km NNE of Ocotillo Wells, CA · 8978 days ago · 5 km deep · 53 km away
  25. 1.65km S of Redlands, CA · 8978 days ago · 14 km deep · 84 km away
  26. 1.67km SSW of Cabazon, CA · 8978 days ago · 15 km deep · 47 km away
  27. 2.810km NE of Thousand Palms, CA · 8977 days ago · 4 km deep · 46 km away
  28. 1.62km E of Loma Linda, California · 8977 days ago · 9 km deep · 90 km away
  29. 2.522km NNW of Borrego Springs, CA · 8976 days ago · 12 km deep · 10 km away
  30. 1.73km NE of Moreno Valley, California · 8976 days ago · 13 km deep · 80 km away
  31. 1.517km ESE of Anza, CA · 8976 days ago · 11 km deep · 4 km away
  32. 1.617km ESE of Anza, CA · 8976 days ago · 12 km deep · 4 km away
  33. 1.617km ESE of Anza, CA · 8976 days ago · 11 km deep · 4 km away
  34. 1.917km SW of Oasis, CA · 8976 days ago · 3 km deep · 32 km away
  35. 2.014km NNE of Borrego Springs, CA · 8976 days ago · 13 km deep · 25 km away
  36. 1.713km NNE of Borrego Springs, CA · 8976 days ago · 11 km deep · 25 km away
  37. 1.76km S of Idyllwild, CA · 8975 days ago · 15 km deep · 27 km away
  38. 1.527km N of Yucca Valley, CA · 8975 days ago · 5 km deep · 94 km away
  39. 1.727km N of Yucca Valley, CA · 8975 days ago · 7 km deep · 94 km away
  40. 1.627km N of Yucca Valley, CA · 8975 days ago · 4 km deep · 94 km away
  41. 1.56km SSW of Calimesa, CA · 8975 days ago · 9 km deep · 71 km away
  42. 1.56km WNW of Desert Hot Springs, CA · 8975 days ago · 11 km deep · 53 km away
  43. 1.61km WSW of Ocotillo, CA · 8975 days ago · 6 km deep · 99 km away
  44. 1.627km N of Yucca Valley, California · 8974 days ago · 4 km deep · 94 km away
  45. 1.526km N of Yucca Valley, California · 8973 days ago · 9 km deep · 93 km away
  46. 2.09km SE of Valle Vista, CA · 8973 days ago · 15 km deep · 35 km away
  47. 1.78km ESE of Valle Vista, CA · 8973 days ago · 15 km deep · 36 km away
  48. 1.56km SSW of Idyllwild, CA · 8972 days ago · 15 km deep · 28 km away
  49. 1.517km ESE of Anza, CA · 8972 days ago · 11 km deep · 4 km away
  50. 1.613km SSW of Big Bear Lake, CA · 8970 days ago · 12 km deep · 80 km away
  51. 1.725km NNW of Twentynine Palms, CA · 8970 days ago · 5 km deep · 100 km away
  52. 2.313km E of Big Bear City, CA · 8969 days ago · 7 km deep · 86 km away
  53. 1.915km SSE of Big Bear Lake, CA · 8969 days ago · 9 km deep · 74 km away
  54. 1.84km S of Redlands, California · 8968 days ago · 17 km deep · 84 km away
  55. 2.510km W of Niland, CA · 8967 days ago · 6 km deep · 88 km away
  56. 1.819km ESE of Anza, CA · 8967 days ago · 10 km deep · 4 km away
  57. 1.817km SSW of Borrego Springs, CA · 8967 days ago · 7 km deep · 45 km away
  58. 1.714km NE of Yucaipa, CA · 8966 days ago · 3 km deep · 76 km away
  59. 1.612km NE of Yucaipa, CA · 8966 days ago · 7 km deep · 80 km away
  60. 1.66km NNW of San Jacinto, CA · 8966 days ago · 11 km deep · 57 km away

The first 60 of 170.

Before

  1. 1.55km SSW of Redlands, CA · 8985 days ago · 15 km deep · 84 km away
  2. 1.77km ENE of Yucaipa, CA · 8985 days ago · 16 km deep · 74 km away
  3. 1.610km SW of Morongo Valley, CA · 8985 days ago · 13 km deep · 53 km away
  4. 1.79km W of Calipatria, California · 8985 days ago · 9 km deep · 94 km away
  5. 1.56km SSW of Redlands, California · 8985 days ago · 14 km deep · 84 km away
  6. 2.29km NE of Borrego Springs, CA · 8986 days ago · 12 km deep · 31 km away
  7. 1.712km WNW of Calipatria, CA · 8987 days ago · 11 km deep · 91 km away
  8. 1.911km NNE of Trabuco Canyon, CA · 8987 days ago · 6 km deep · 97 km away
  9. 2.19km SW of Niland, California · 8987 days ago · 3 km deep · 93 km away
  10. 2.410km WSW of Niland, CA · 8987 days ago · 2 km deep · 91 km away
  11. 2.49km SW of Niland, California · 8987 days ago · 2 km deep · 93 km away
  12. 2.49km WSW of Niland, CA · 8987 days ago · 3 km deep · 92 km away
  13. 2.39km SW of Niland, CA · 8987 days ago · 1 km deep · 92 km away
  14. 2.01km NNW of Yucaipa, CA · 8987 days ago · 11 km deep · 77 km away
  15. 2.110km W of Calipatria, CA · 8988 days ago · 8 km deep · 93 km away
  16. 1.79km W of Calipatria, CA · 8988 days ago · 8 km deep · 94 km away
  17. 1.58km W of Calipatria, California · 8988 days ago · 7 km deep · 94 km away
  18. 1.610km SSW of Borrego Springs, CA · 8988 days ago · 11 km deep · 39 km away
  19. 1.69km WNW of Calipatria, California · 8988 days ago · 9 km deep · 93 km away
  20. 1.910km W of Calipatria, California · 8988 days ago · 8 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci12467796. Read Mon, Oct 5, 2026, 1:52 AM UTC.