California earthquakes

M1.9 earthquake 12km NNE of Simi Valley, CA

A magnitude 1.9 earthquake struck 12km NNE of Simi Valley, CA on Mon, Jan 28, 2002, 11:42 PM PST (07:42 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.6 33km NW of Santa Barbara Is., CA. This one was a foreshock.

Stevenson Ranch forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-01-29 07:42:24 UTC
Depth
14.2 km (8.8 mi), shallow
Epicenter
34.363° N, 118.667° 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 0.6 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
79°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 190 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 1.512km NE of Simi Valley, California · 9014 days ago · 13 km deep · 0 km away
  2. 2.411km NE of Simi Valley, CA · 9014 days ago · 15 km deep · 1 km away
  3. 1.811km NNE of Simi Valley, CA · 9014 days ago · 17 km deep · 2 km away
  4. 2.111km NNE of Simi Valley, CA · 9014 days ago · 13 km deep · 1 km away
  5. 1.911km NNE of Simi Valley, CA · 9014 days ago · 14 km deep · 1 km away
  6. 2.812km NE of Simi Valley, California · 9014 days ago · 15 km deep · 0 km away
  7. 2.928km SSE of Santa Cruz Is. (E end), CA · 9014 days ago · 7 km deep · 97 km away
  8. 2.412km NNW of Chatsworth, CA · 9014 days ago · 14 km deep · 1 km away
  9. 1.820km ENE of Arvin, CA · 9014 days ago · 7 km deep · 100 km away
  10. 2.712km NE of Simi Valley, CA · 9014 days ago · 11 km deep · 1 km away
  11. 1.710km NNE of Simi Valley, CA · 9014 days ago · 14 km deep · 3 km away
  12. 1.512km NNW of Chatsworth, California · 9014 days ago · 15 km deep · 2 km away
  13. 1.612km NNE of Simi Valley, California · 9014 days ago · 16 km deep · 1 km away
  14. 1.511km NNE of Simi Valley, California · 9014 days ago · 12 km deep · 2 km away
  15. 3.612km NNE of Simi Valley, CA · 9014 days ago · 12 km deep · 0 km away · felt by 145
  16. 2.412km NE of Simi Valley, CA · 9014 days ago · 12 km deep · 1 km away
  17. 1.613km SW of Valencia, CA · 9014 days ago · 14 km deep · 1 km away
  18. 1.810km NNE of Simi Valley, CA · 9014 days ago · 15 km deep · 3 km away
  19. 3.113km SW of Valencia, CA · 9014 days ago · 12 km deep · 1 km away · felt by 243
  20. 1.812km NE of Simi Valley, CA · 9014 days ago · 13 km deep · 1 km away
  21. 2.212km NNE of Simi Valley, CA · 9014 days ago · 14 km deep · 1 km away
  22. 1.612km NNE of Simi Valley, CA · 9014 days ago · 12 km deep · 1 km away
  23. 1.912km NNE of Simi Valley, CA · 9014 days ago · 15 km deep · 1 km away
  24. 2.511km NNE of Simi Valley, CA · 9014 days ago · 14 km deep · 1 km away
  25. 1.77km SE of Piru, California · 9014 days ago · 7 km deep · 7 km away
  26. 1.610km SE of Piru, California · 9014 days ago · 17 km deep · 4 km away
  27. 2.212km NE of Simi Valley, CA · 9014 days ago · 12 km deep · 1 km away
  28. 1.611km NNE of Simi Valley, CA · 9014 days ago · 11 km deep · 1 km away
  29. 2.213km SW of Valencia, CA · 9014 days ago · 13 km deep · 1 km away
  30. 1.811km NNE of Simi Valley, CA · 9014 days ago · 14 km deep · 2 km away
  31. 1.512km NNE of Simi Valley, CA · 9014 days ago · 14 km deep · 1 km away
  32. 2.712km NE of Simi Valley, CA · 9014 days ago · 12 km deep · 0 km away
  33. 1.812km NNE of Simi Valley, CA · 9014 days ago · 13 km deep · 1 km away
  34. 1.612km NNE of Simi Valley, CA · 9014 days ago · 11 km deep · 0 km away
  35. 2.013km NE of Simi Valley, CA · 9014 days ago · 12 km deep · 1 km away
  36. 2.212km ESE of Piru, CA · 9014 days ago · 12 km deep · 1 km away
  37. 2.312km NNE of Simi Valley, CA · 9013 days ago · 13 km deep · 1 km away
  38. 1.912km NNE of Simi Valley, CA · 9013 days ago · 14 km deep · 1 km away
  39. 3.513km SW of Valencia, CA · 9013 days ago · 12 km deep · 1 km away · felt by 433
  40. 1.513km NNW of Chatsworth, CA · 9013 days ago · 12 km deep · 1 km away
  41. 1.912km ESE of Piru, CA · 9013 days ago · 14 km deep · 1 km away
  42. 3.012km NE of Simi Valley, CA · 9013 days ago · 12 km deep · 1 km away · felt by 234
  43. 2.211km NNE of Simi Valley, CA · 9013 days ago · 13 km deep · 1 km away
  44. 1.811km NNE of Simi Valley, CA · 9013 days ago · 13 km deep · 2 km away
  45. 1.612km NNW of Chatsworth, California · 9013 days ago · 14 km deep · 1 km away
  46. 1.512km NNW of Chatsworth, California · 9013 days ago · 13 km deep · 1 km away
  47. 1.511km NNE of Simi Valley, CA · 9013 days ago · 11 km deep · 1 km away
  48. 1.512km ESE of Piru, California · 9013 days ago · 15 km deep · 1 km away
  49. 1.812km NNE of Simi Valley, CA · 9013 days ago · 13 km deep · 1 km away
  50. 1.812km NE of Simi Valley, CA · 9013 days ago · 13 km deep · 1 km away
  51. 1.820km ENE of Arvin, CA · 9012 days ago · 6 km deep · 99 km away
  52. 1.712km NE of Simi Valley, CA · 9012 days ago · 12 km deep · 1 km away
  53. 1.83km N of Signal Hill, CA · 9012 days ago · 9 km deep · 75 km away
  54. 1.814km N of Grapevine, CA · 9012 days ago · 14 km deep · 83 km away
  55. 1.72km NE of Grapevine, California · 9012 days ago · 9 km deep · 70 km away
  56. 1.812km NNE of Simi Valley, CA · 9011 days ago · 13 km deep · 0 km away
  57. 1.75km NNW of West Hills, CA · 9011 days ago · 4 km deep · 14 km away
  58. 1.612km NE of Simi Valley, CA · 9011 days ago · 13 km deep · 1 km away
  59. 1.911km NNE of Simi Valley, CA · 9011 days ago · 13 km deep · 1 km away
  60. 1.98km SE of Piru, CA · 9011 days ago · 16 km deep · 5 km away

The first 60 of 190.

Before

  1. 1.812km NE of Simi Valley, CA · 9015 days ago · 14 km deep · 1 km away
  2. 1.812km NNE of Simi Valley, CA · 9015 days ago · 14 km deep · 1 km away
  3. 1.712km NNE of Simi Valley, CA · 9015 days ago · 14 km deep · 1 km away
  4. 2.011km NNE of Simi Valley, CA · 9015 days ago · 14 km deep · 1 km away
  5. 1.512km NE of Simi Valley, California · 9015 days ago · 16 km deep · 0 km away
  6. 1.912km NNE of Simi Valley, CA · 9015 days ago · 16 km deep · 0 km away
  7. 1.712km NNE of Simi Valley, CA · 9015 days ago · 14 km deep · 0 km away
  8. 2.412km NE of Simi Valley, CA · 9015 days ago · 15 km deep · 0 km away
  9. 2.913km SW of Valencia, CA · 9015 days ago · 13 km deep · 1 km away
  10. 2.112km NE of Simi Valley, CA · 9015 days ago · 14 km deep · 1 km away
  11. 1.811km NNE of Simi Valley, CA · 9015 days ago · 15 km deep · 1 km away
  12. 2.312km NNE of Simi Valley, CA · 9015 days ago · 14 km deep · 0 km away
  13. 1.711km NNE of Simi Valley, CA · 9015 days ago · 16 km deep · 1 km away
  14. 2.812km NE of Simi Valley, CA · 9015 days ago · 14 km deep · 1 km away
  15. 2.812km NE of Simi Valley, CA · 9015 days ago · 14 km deep · 1 km away
  16. 3.812km NNE of Simi Valley, CA · 9015 days ago · 14 km deep · 0 km away · felt by 241
  17. 1.711km NNE of Simi Valley, CA · 9015 days ago · 18 km deep · 1 km away
  18. 3.913km ESE of Piru, CA · 9015 days ago · 14 km deep · 1 km away · felt by 470
  19. 4.213km NE of Simi Valley, CA · 9015 days ago · 14 km deep · 1 km away · felt by 2,106
  20. 3.112km NNW of Chatsworth, CA · 9015 days ago · 13 km deep · 2 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9753641. Read Sun, Oct 4, 2026, 8:33 PM UTC.