California earthquakes

M1.7 earthquake 5km ESE of Simi Valley, CA

A magnitude 1.7 earthquake struck 5km ESE of Simi Valley, CA on Mon, Mar 4, 2002, 9:43 AM PST (17:43 UTC), 15 km (9 mi) below the surface.

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

Santa Susana 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
1.7 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-03-04 17:43:30 UTC
Depth
14.6 km (9.1 mi), shallow
Epicenter
34.248° N, 118.689° 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 0.7 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.50
Depth from
From location
Station coverage gap
86°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 92 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 2.015km S of Malibu Beach, CA · 8980 days ago · 13 km deep · 39 km away
  2. 1.610km NNE of Simi Valley, CA · 8979 days ago · 14 km deep · 11 km away
  3. 1.714km WNW of Pine Mountain Club, California · 8978 days ago · 12 km deep · 91 km away
  4. 1.76km SE of Simi Valley, CA · 8978 days ago · 14 km deep · 1 km away
  5. 1.912km NE of Simi Valley, CA · 8978 days ago · 14 km deep · 12 km away
  6. 1.62km ENE of Baldwin Hills, CA · 8978 days ago · 11 km deep · 40 km away
  7. 1.812km NNW of Piru, California · 8976 days ago · 17 km deep · 33 km away
  8. 1.51km WSW of View Park-Windsor Hills, CA · 8975 days ago · 10 km deep · 42 km away
  9. 2.013km SW of Valencia, CA · 8975 days ago · 15 km deep · 14 km away
  10. 1.52km ENE of Northridge, CA · 8975 days ago · 14 km deep · 17 km away
  11. 2.22km SW of Signal Hill, CA · 8975 days ago · 16 km deep · 69 km away
  12. 1.63km SSW of Lakewood, California · 8975 days ago · 5 km deep · 68 km away
  13. 1.516km NE of Ojai, California · 8974 days ago · 16 km deep · 49 km away
  14. 1.716km SSE of Carpinteria, California · 8974 days ago · 6 km deep · 69 km away
  15. 1.612km NNE of Simi Valley, CA · 8974 days ago · 14 km deep · 12 km away
  16. 1.713km NE of Simi Valley, CA · 8972 days ago · 13 km deep · 13 km away
  17. 1.512km NE of Simi Valley, California · 8972 days ago · 11 km deep · 13 km away
  18. 2.018km ENE of Ojai, California · 8971 days ago · 16 km deep · 48 km away
  19. 1.81km NW of North Hollywood, CA · 8969 days ago · 12 km deep · 29 km away
  20. 1.518km SE of Arvin, CA · 8968 days ago · 11 km deep · 95 km away
  21. 2.113km NE of Simi Valley, CA · 8968 days ago · 13 km deep · 13 km away
  22. 2.21km SE of Placentia, CA · 8968 days ago · 5 km deep · 87 km away
  23. 2.11km E of Placentia, CA · 8968 days ago · 5 km deep · 87 km away
  24. 4.633km NW of Santa Barbara Is., CA · 8968 days ago · 7 km deep · 88 km away · felt by 1,102
  25. 1.612km N of Bradbury, CA · 8968 days ago · 9 km deep · 66 km away
  26. 1.712km NE of Simi Valley, CA · 8968 days ago · 14 km deep · 13 km away
  27. 3.233km NW of Santa Barbara Is., CA · 8967 days ago · 7 km deep · 87 km away
  28. 3.21km E of Placentia, CA · 8967 days ago · 9 km deep · 87 km away · felt by 597
  29. 1.98km NE of Moorpark, CA · 8967 days ago · 22 km deep · 16 km away
  30. 1.63km ESE of Northridge, CA · 8967 days ago · 10 km deep · 18 km away
  31. 1.73km SW of View Park-Windsor Hills, CA · 8966 days ago · 14 km deep · 42 km away
  32. 2.22km ESE of Placentia, CA · 8966 days ago · 4 km deep · 88 km away
  33. 1.82km E of Placentia, CA · 8965 days ago · 4 km deep · 88 km away
  34. 1.98km SE of Malibu, California · 8965 days ago · 12 km deep · 33 km away
  35. 2.511km SE of Arvin, California · 8965 days ago · 4 km deep · 98 km away
  36. 2.531km NW of Santa Barbara Is., California · 8964 days ago · 7 km deep · 86 km away
  37. 1.517km NW of Grapevine, California · 8964 days ago · 13 km deep · 95 km away
  38. 2.07km NNW of Ventura, California · 8964 days ago · 17 km deep · 52 km away
  39. 2.633km WNW of Santa Barbara Is., California · 8963 days ago · 7 km deep · 95 km away
  40. 2.54km SE of Chino Hills, CA · 8962 days ago · 13 km deep · 93 km away
  41. 2.929km NW of Santa Barbara Is., CA · 8962 days ago · 7 km deep · 88 km away
  42. 1.97km NNW of Pacoima, CA · 8961 days ago · 7 km deep · 23 km away
  43. 2.312km NNE of Simi Valley, CA · 8960 days ago · 14 km deep · 12 km away
  44. 1.717km NNW of Pine Mountain Club, California · 8958 days ago · 20 km deep · 95 km away
  45. 1.62km SSW of Simi Valley, CA · 8957 days ago · 14 km deep · 6 km away
  46. 1.74km W of Culver City, CA · 8957 days ago · 13 km deep · 34 km away
  47. 1.73km S of Westwood, CA · 8956 days ago · 13 km deep · 33 km away
  48. 1.511km NNE of Simi Valley, California · 8956 days ago · 14 km deep · 12 km away
  49. 1.67km N of Simi Valley, CA · 8953 days ago · 14 km deep · 11 km away
  50. 1.64km W of Culver City, CA · 8953 days ago · 14 km deep · 34 km away
  51. 2.47km N of Simi Valley, CA · 8953 days ago · 15 km deep · 11 km away
  52. 1.68km E of Camarillo, CA · 8952 days ago · 16 km deep · 25 km away
  53. 1.62km SE of Simi Valley, California · 8952 days ago · 23 km deep · 4 km away
  54. 1.67km SE of Piru, CA · 8952 days ago · 17 km deep · 14 km away
  55. 1.912km NNE of Simi Valley, CA · 8951 days ago · 13 km deep · 13 km away
  56. 1.512km NNE of Simi Valley, CA · 8951 days ago · 14 km deep · 13 km away
  57. 1.610km SSW of Agua Dulce, CA · 8951 days ago · 7 km deep · 33 km away
  58. 1.72km W of Frazier Park, California · 8950 days ago · 13 km deep · 69 km away
  59. 1.92km ENE of Studio City, California · 8949 days ago · 17 km deep · 31 km away
  60. 2.012km S of Malibu Beach, CA · 8948 days ago · 12 km deep · 36 km away

The first 60 of 92.

Before

  1. 2.07km SSW of Seal Beach, California · 8980 days ago · 8 km deep · 80 km away
  2. 1.55km WSW of Carpinteria, California · 8980 days ago · 14 km deep · 83 km away
  3. 1.91km ESE of Beverly Hills, CA · 8980 days ago · 9 km deep · 34 km away
  4. 1.57km SE of Santa Clarita, CA · 8980 days ago · 8 km deep · 27 km away
  5. 1.71km NNW of Beverly Hills, CA · 8981 days ago · 7 km deep · 32 km away
  6. 1.52km E of Century City, CA · 8981 days ago · 7 km deep · 34 km away
  7. 1.67km NNE of Chatsworth, CA · 8982 days ago · 14 km deep · 12 km away
  8. 2.110km N of Grapevine, CA · 8984 days ago · 11 km deep · 90 km away
  9. 1.512km NNE of Simi Valley, California · 8985 days ago · 13 km deep · 13 km away
  10. 1.91km ENE of Placentia, CA · 8985 days ago · 7 km deep · 87 km away
  11. 1.53km NE of Chatsworth, California · 8985 days ago · 12 km deep · 10 km away
  12. 1.52km WNW of Anaheim, California · 8985 days ago · 4 km deep · 85 km away
  13. 1.88km NNW of Santa Paula, California · 8985 days ago · 23 km deep · 42 km away
  14. 1.61km WNW of Anaheim, California · 8987 days ago · 9 km deep · 85 km away
  15. 1.68km SW of Littlerock, CA · 8987 days ago · 6 km deep · 65 km away
  16. 2.41km ENE of Placentia, CA · 8987 days ago · 6 km deep · 87 km away
  17. 1.57km SSW of Littlerock, CA · 8987 days ago · 6 km deep · 65 km away
  18. 1.78km SW of Littlerock, CA · 8987 days ago · 6 km deep · 65 km away
  19. 1.611km NNE of Simi Valley, California · 8987 days ago · 14 km deep · 12 km away
  20. 1.612km NE of Simi Valley, CA · 8988 days ago · 14 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci12472300. Read Sun, Oct 4, 2026, 4:07 PM UTC.