California earthquakes

M1.6 earthquake 6km WSW of Imperial, California

A magnitude 1.6 earthquake struck 6km WSW of Imperial, California on Mon, Dec 16, 2002, 5:31 PM PST (01:31 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.8 8km NW of Delta, B.C., MX. This one was a foreshock.

Imperial 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
2002-12-17 01:31:43 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
32.821° N, 115.630° 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 2.1 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
233°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 157 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 2.116km SW of Ocotillo, CA · 8693 days ago · 10 km deep · 50 km away
  2. 2.543km SSW of Progreso, B.C., MX · 8692 days ago · 7 km deep · 67 km away
  3. 1.82km NNE of Bombay Beach, CA · 8692 days ago · 7 km deep · 62 km away
  4. 2.040km SSW of Progreso, B.C., MX · 8692 days ago · 7 km deep · 64 km away
  5. 2.225km SW of Progreso, B.C., MX · 8691 days ago · 5 km deep · 47 km away
  6. 2.138km SSW of Progreso, B.C., MX · 8691 days ago · 11 km deep · 63 km away
  7. 2.040km SSW of Progreso, B.C., MX · 8691 days ago · 8 km deep · 64 km away
  8. 2.04km NNW of Julian, CA · 8690 days ago · 15 km deep · 97 km away
  9. 2.524km WSW of Alberto Oviedo Mota, B.C., MX · 8689 days ago · 7 km deep · 79 km away
  10. 2.410km WNW of Calipatria, CA · 8689 days ago · 9 km deep · 36 km away
  11. 1.512km WNW of Calipatria, CA · 8689 days ago · 9 km deep · 37 km away
  12. 2.010km W of Calipatria, CA · 8689 days ago · 9 km deep · 36 km away
  13. 1.528km ESE of Campo, CA · 8688 days ago · 7 km deep · 61 km away
  14. 2.520km W of Progreso, B.C., MX · 8688 days ago · 6 km deep · 30 km away
  15. 2.021km W of Progreso, B.C., MX · 8688 days ago · 4 km deep · 31 km away
  16. 1.720km W of Progreso, B.C., MX · 8688 days ago · 4 km deep · 31 km away
  17. 1.710km W of Calipatria, CA · 8687 days ago · 5 km deep · 36 km away
  18. 2.322km WSW of Alberto Oviedo Mota, B.C., MX · 8687 days ago · 7 km deep · 80 km away
  19. 2.619km W of Alberto Oviedo Mota, B.C., MX · 8687 days ago · 7 km deep · 71 km away
  20. 1.521km W of Progreso, B.C., MX · 8687 days ago · 4 km deep · 30 km away
  21. 2.725km WSW of Alberto Oviedo Mota, B.C., MX · 8685 days ago · 7 km deep · 83 km away
  22. 2.627km SW of Alberto Oviedo Mota, B.C., MX · 8684 days ago · 7 km deep · 85 km away
  23. 1.57km WNW of Borrego Springs, CA · 8684 days ago · 3 km deep · 92 km away
  24. 2.259km SSW of Progreso, B.C., MX · 8683 days ago · 7 km deep · 83 km away
  25. 2.112km WNW of Calipatria, CA · 8682 days ago · 5 km deep · 39 km away
  26. 2.017km W of Alberto Oviedo Mota, B.C., MX · 8682 days ago · 7 km deep · 73 km away
  27. 2.716km N of Ocotillo, CA · 8682 days ago · 3 km deep · 32 km away
  28. 3.217km WSW of Alberto Oviedo Mota, B.C., MX · 8682 days ago · 7 km deep · 77 km away
  29. 2.118km N of Borrego Springs, CA · 8682 days ago · 13 km deep · 97 km away
  30. 2.127km WSW of Alberto Oviedo Mota, B.C., MX · 8682 days ago · 7 km deep · 75 km away
  31. 2.521km SW of Alberto Oviedo Mota, B.C., MX · 8682 days ago · 7 km deep · 85 km away
  32. 1.834km SE of Campo, CA · 8682 days ago · 6 km deep · 77 km away
  33. 2.118km ESE of Julian, CA · 8682 days ago · 12 km deep · 77 km away
  34. 2.316km WSW of Alberto Oviedo Mota, B.C., MX · 8682 days ago · 7 km deep · 76 km away
  35. 2.07km ENE of Heber, California · 8681 days ago · 18 km deep · 17 km away
  36. 1.88km SW of Holtville, CA · 8681 days ago · 14 km deep · 19 km away
  37. 1.710km ENE of Ocotillo Wells, CA · 8681 days ago · 8 km deep · 55 km away
  38. 2.18km SW of Niland, CA · 8681 days ago · 3 km deep · 41 km away
  39. 1.915km ESE of Julian, CA · 8681 days ago · 14 km deep · 80 km away
  40. 1.66km E of Ocotillo Wells, CA · 8679 days ago · 7 km deep · 55 km away
  41. 2.142km SSW of Progreso, B.C., MX · 8678 days ago · 7 km deep · 65 km away
  42. 2.210km SW of Niland, CA · 8678 days ago · 2 km deep · 41 km away
  43. 1.718km N of Borrego Springs, CA · 8678 days ago · 12 km deep · 97 km away
  44. 2.56km SE of Mexicali, B.C., MX · 8677 days ago · 11 km deep · 30 km away
  45. 1.58km SW of Niland, California · 8677 days ago · 5 km deep · 41 km away
  46. 2.238km SSW of Progreso, B.C., MX · 8677 days ago · 7 km deep · 61 km away
  47. 1.723km SE of Ocotillo Wells, CA · 8676 days ago · 14 km deep · 36 km away
  48. 2.542km SSW of Progreso, B.C., MX · 8676 days ago · 7 km deep · 66 km away
  49. 2.538km SSW of Progreso, B.C., MX · 8676 days ago · 7 km deep · 61 km away
  50. 2.340km SSW of Progreso, B.C., MX · 8676 days ago · 7 km deep · 63 km away
  51. 2.042km SSW of Progreso, B.C., MX · 8676 days ago · 7 km deep · 65 km away
  52. 1.613km NE of Julian, CA · 8675 days ago · 14 km deep · 92 km away
  53. 2.358km SSW of Progreso, B.C., MX · 8674 days ago · 7 km deep · 82 km away
  54. 1.913km SE of Ocotillo, CA · 8673 days ago · 5 km deep · 29 km away
  55. 1.921km NE of Pine Valley, CA · 8672 days ago · 11 km deep · 68 km away
  56. 1.712km WNW of Calipatria, California · 8671 days ago · 5 km deep · 39 km away
  57. 2.214km ESE of Puebla, B.C., MX · 8671 days ago · 7 km deep · 52 km away
  58. 1.811km NNE of Borrego Springs, CA · 8670 days ago · 12 km deep · 87 km away
  59. 2.914km WNW of Calipatria, CA · 8670 days ago · 3 km deep · 39 km away
  60. 1.79km SSW of Holtville, California · 8669 days ago · 17 km deep · 23 km away

The first 60 of 157.

Before

  1. 2.339km SSW of Progreso, B.C., MX · 8693 days ago · 7 km deep · 62 km away
  2. 2.850km SSW of Progreso, B.C., MX · 8693 days ago · 7 km deep · 75 km away
  3. 2.842km SSW of Progreso, B.C., MX · 8693 days ago · 7 km deep · 65 km away
  4. 2.143km SSW of Progreso, B.C., MX · 8694 days ago · 7 km deep · 66 km away
  5. 1.920km W of Progreso, B.C., MX · 8694 days ago · 4 km deep · 33 km away
  6. 1.922km W of Progreso, B.C., MX · 8694 days ago · 5 km deep · 31 km away
  7. 1.942km SSW of Progreso, B.C., MX · 8695 days ago · 7 km deep · 66 km away
  8. 1.87km SW of Holtville, California · 8695 days ago · 10 km deep · 20 km away
  9. 2.446km SSW of Progreso, B.C., MX · 8696 days ago · 7 km deep · 70 km away
  10. 2.044km SSW of Progreso, B.C., MX · 8696 days ago · 7 km deep · 68 km away
  11. 1.840km SSW of Progreso, B.C., MX · 8697 days ago · 7 km deep · 64 km away
  12. 2.51km SSE of Brawley, CA · 8697 days ago · 16 km deep · 19 km away
  13. 2.11km SW of Delta, B.C., MX · 8697 days ago · 7 km deep · 66 km away
  14. 2.441km SSW of Progreso, B.C., MX · 8697 days ago · 7 km deep · 64 km away
  15. 4.22km NNW of Delta, B.C., MX · 8697 days ago · 7 km deep · 64 km away
  16. 1.741km SSW of Progreso, B.C., MX · 8698 days ago · 7 km deep · 66 km away
  17. 3.343km SSW of Progreso, B.C., MX · 8698 days ago · 7 km deep · 67 km away
  18. 2.240km SSW of Progreso, B.C., MX · 8698 days ago · 7 km deep · 64 km away
  19. 2.142km SSW of Progreso, B.C., MX · 8698 days ago · 7 km deep · 66 km away
  20. 1.938km SSW of Progreso, B.C., MX · 8698 days ago · 7 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9871021. Read Sun, Oct 4, 2026, 7:51 PM UTC.