California earthquakes

M2.1 earthquake 9km N of Castaic, CA

A magnitude 2.1 earthquake struck 9km N of Castaic, CA on Fri, Nov 16, 2001, 2:49 PM PST (22:49 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.9 21km NE of Arvin, CA. This one was a foreshock.

Castaic 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
2.1 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2001-11-16 22:49:14 UTC
Depth
18.2 km (11.3 mi), shallow
Epicenter
34.566° N, 118.613° 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, 1.0 km in depth
Magnitude uncertainty
±0.30
Depth from
From location
Station coverage gap
49°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 104 in the 60 days after this one and 137 in the 30 days before it.

After

  1. 2.121km ENE of Arvin, California · 9088 days ago · 4 km deep · 82 km away
  2. 1.73km WSW of Rossmoor, California · 9087 days ago · 20 km deep · 99 km away
  3. 2.18km SW of Carpinteria, California · 9086 days ago · 12 km deep · 92 km away
  4. 1.51km W of La Verne, CA · 9086 days ago · 13 km deep · 92 km away
  5. 2.013km WSW of Marina del Rey, CA · 9086 days ago · 14 km deep · 72 km away
  6. 1.615km SW of Maricopa, California · 9086 days ago · 9 km deep · 95 km away
  7. 1.616km NNE of Pine Mountain Club, California · 9086 days ago · 19 km deep · 66 km away
  8. 1.74km S of Charter Oak, CA · 9085 days ago · 13 km deep · 89 km away
  9. 1.98km SSW of Pearblossum, CA · 9084 days ago · 10 km deep · 63 km away
  10. 2.921km NE of Arvin, CA · 9084 days ago · 2 km deep · 87 km away
  11. 2.521km NE of Arvin, CA · 9084 days ago · 1 km deep · 86 km away
  12. 1.55km WSW of Valencia, CA · 9084 days ago · 10 km deep · 15 km away
  13. 1.50km WNW of Pacoima, CA · 9084 days ago · 5 km deep · 35 km away
  14. 1.85km SW of Valencia, CA · 9083 days ago · 10 km deep · 15 km away
  15. 1.720km NE of Arvin, CA · 9083 days ago · 2 km deep · 87 km away
  16. 1.820km NE of Arvin, CA · 9083 days ago · 4 km deep · 86 km away
  17. 1.68km SSW of Pearblossum, CA · 9083 days ago · 11 km deep · 63 km away
  18. 1.921km NE of Arvin, CA · 9081 days ago · 3 km deep · 86 km away
  19. 2.821km NE of Arvin, CA · 9080 days ago · 5 km deep · 87 km away
  20. 1.813km WNW of Mojave, California · 9080 days ago · 7 km deep · 66 km away
  21. 1.620km N of Mojave, California · 9079 days ago · 3 km deep · 83 km away
  22. 1.53km NNE of Lake View Terrace, CA · 9077 days ago · 5 km deep · 38 km away
  23. 1.70km SSW of Simi Valley, California · 9077 days ago · 22 km deep · 35 km away
  24. 1.71km ESE of Simi Valley, CA · 9077 days ago · 22 km deep · 35 km away
  25. 2.31km SE of Simi Valley, CA · 9077 days ago · 23 km deep · 35 km away
  26. 2.11km SE of Simi Valley, CA · 9077 days ago · 23 km deep · 35 km away
  27. 1.71km WSW of Simi Valley, CA · 9077 days ago · 22 km deep · 35 km away
  28. 1.61km WSW of Simi Valley, California · 9077 days ago · 22 km deep · 36 km away
  29. 2.018km SSE of Santa Barbara, California · 9076 days ago · 1 km deep · 100 km away
  30. 1.51km ESE of Simi Valley, California · 9076 days ago · 22 km deep · 35 km away
  31. 1.511km W of Tehachapi, CA · 9075 days ago · 6 km deep · 62 km away
  32. 1.90km ESE of Simi Valley, CA · 9075 days ago · 22 km deep · 35 km away
  33. 1.91km SSE of Simi Valley, CA · 9074 days ago · 25 km deep · 36 km away
  34. 1.64km NE of Granada Hills, CA · 9074 days ago · 12 km deep · 33 km away
  35. 1.716km SE of Maricopa, California · 9074 days ago · -1 km deep · 75 km away
  36. 2.32km ESE of Simi Valley, CA · 9074 days ago · 22 km deep · 35 km away
  37. 1.68km N of Grapevine, CA · 9073 days ago · 13 km deep · 57 km away
  38. 2.12km NNW of Pacoima, CA · 9072 days ago · 8 km deep · 33 km away
  39. 1.916km S of Camarillo, CA · 9072 days ago · 17 km deep · 66 km away
  40. 1.88km SSW of Pearblossum, CA · 9071 days ago · 10 km deep · 62 km away
  41. 1.623km ENE of Arvin, CA · 9071 days ago · 6 km deep · 82 km away
  42. 2.02km SW of Granada Hills, CA · 9071 days ago · 14 km deep · 35 km away
  43. 1.912km SSW of Arvin, California · 9070 days ago · 17 km deep · 67 km away
  44. 1.916km SE of Maricopa, California · 9070 days ago · -1 km deep · 75 km away
  45. 1.66km E of Santa Clarita, CA · 9069 days ago · 14 km deep · 23 km away
  46. 1.95km NW of Malibu, CA · 9069 days ago · 10 km deep · 63 km away
  47. 2.616km SE of Maricopa, CA · 9069 days ago · 1 km deep · 74 km away
  48. 2.216km SE of Maricopa, CA · 9069 days ago · 2 km deep · 74 km away
  49. 1.71km ESE of Beverly Hills, CA · 9069 days ago · 5 km deep · 59 km away
  50. 2.027km NNW of Tehachapi, California · 9068 days ago · 4 km deep · 87 km away
  51. 1.916km NNW of Piru, California · 9067 days ago · 12 km deep · 22 km away
  52. 1.73km E of East Los Angeles, CA · 9066 days ago · 14 km deep · 74 km away
  53. 1.54km ESE of Wrightwood, CA · 9065 days ago · 8 km deep · 97 km away
  54. 1.63km WNW of Rossmoor, CA · 9065 days ago · 17 km deep · 97 km away
  55. 2.25km SSW of Rancho Palos Verdes, CA · 9064 days ago · 4 km deep · 97 km away
  56. 1.72km WSW of West Hills, CA · 9064 days ago · 6 km deep · 42 km away
  57. 1.920km ENE of Arvin, CA · 9063 days ago · 7 km deep · 77 km away
  58. 1.920km NW of Tehachapi, CA · 9063 days ago · 4 km deep · 77 km away
  59. 2.120km NW of Tehachapi, CA · 9062 days ago · 4 km deep · 78 km away
  60. 1.815km WNW of Ventura, CA · 9062 days ago · 18 km deep · 77 km away

The first 60 of 104.

Before

  1. 1.918km W of Tehachapi, CA · 9088 days ago · 6 km deep · 62 km away
  2. 1.69km WSW of Tehachapi, California · 9089 days ago · 3 km deep · 60 km away
  3. 1.67km NNE of Moorpark, California · 9090 days ago · 15 km deep · 33 km away
  4. 1.65km WSW of Valencia, CA · 9090 days ago · 8 km deep · 15 km away
  5. 2.426km SSW of Bodfish, CA · 9092 days ago · 5 km deep · 88 km away
  6. 2.011km W of Manhattan Beach, CA · 9093 days ago · 15 km deep · 78 km away
  7. 1.611km NNW of Grapevine, California · 9094 days ago · 14 km deep · 61 km away
  8. 1.822km NNW of Tehachapi, CA · 9094 days ago · 5 km deep · 84 km away
  9. 1.520km NE of Arvin, CA · 9094 days ago · 4 km deep · 86 km away
  10. 1.82km N of Chatsworth, CA · 9094 days ago · 15 km deep · 32 km away
  11. 1.713km NW of Grapevine, California · 9095 days ago · 15 km deep · 64 km away
  12. 1.97km NW of Boron, CA · 9096 days ago · 6 km deep · 100 km away
  13. 1.614km SW of Maricopa, California · 9096 days ago · 16 km deep · 93 km away
  14. 2.120km SSW of Maricopa, CA · 9096 days ago · 16 km deep · 86 km away
  15. 1.820km NE of Arvin, CA · 9097 days ago · 4 km deep · 87 km away
  16. 1.914km NW of Grapevine, California · 9097 days ago · 15 km deep · 65 km away
  17. 1.813km N of Castaic, CA · 9098 days ago · 11 km deep · 5 km away
  18. 1.521km NE of Arvin, CA · 9098 days ago · 5 km deep · 85 km away
  19. 2.311km WSW of Grapevine, CA · 9098 days ago · 16 km deep · 55 km away
  20. 1.81km WNW of Baldwin Hills, CA · 9098 days ago · 16 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9723621. Read Mon, Oct 5, 2026, 7:12 AM UTC.