M2.0 earthquake 9km WNW of Castaic, CA

Magnitude

2.0 (mc), micro

Local time

Mon, Dec 12, 1983, 2:02 PM PST

UTC

1983-12-12 22:02:38 UTC

Depth

11.0 km (6.9 mi), shallow

Epicenter

34.517° N, 118.711° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

0°

Stations used

0

• Castaic, CaliforniaPopulation 19,015. Forecast9 kmWNW
• Valencia, CaliforniaPopulation 148,456. Forecast12 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast67 kmNW

After

1. 1.920km NNW of Tehachapi, CAWed, Dec 14, 2:36 AM PST · 15623 days ago · 5 km deep · 91 km away
2. 2.23km ENE of Montebello, CAWed, Dec 14, 5:04 PM PST · 15623 days ago · 4 km deep · 81 km away
3. 2.712km SE of Carpinteria, CAThu, Dec 15, 1:48 PM PST · 15622 days ago · 10 km deep · 71 km away
4. 2.812km SSE of Carpinteria, CAThu, Dec 15, 2:02 PM PST · 15622 days ago · 0 km deep · 73 km away
5. 2.313km SSE of Carpinteria, CAThu, Dec 15, 4:55 PM PST · 15622 days ago · 11 km deep · 71 km away
6. 2.615km NNE of Montecito, CASun, Dec 18, 8:20 PM PST · 15619 days ago · 2 km deep · 77 km away
7. 2.219km ENE of Maricopa, CASun, Dec 18, 10:14 PM PST · 15619 days ago · 19 km deep · 79 km away
8. 2.25km WNW of Wrightwood, CAMon, Dec 19, 9:06 AM PST · 15618 days ago · 5 km deep · 96 km away
9. 1.51km ESE of San Marino, CAMon, Dec 19, 8:28 PM PST · 15618 days ago · 5 km deep · 72 km away
10. 2.126km SSW of Bodfish, CATue, Dec 20, 2:01 AM PST · 15617 days ago · 4 km deep · 96 km away
11. 1.53km ENE of Montebello, CAWed, Dec 21, 4:00 AM PST · 15616 days ago · 4 km deep · 80 km away
12. 1.817km E of Grapevine, CAWed, Dec 21, 5:39 PM PST · 15616 days ago · 6 km deep · 50 km away
13. 1.89km E of Pine Mountain Club, CAWed, Dec 21, 6:21 PM PST · 15616 days ago · 6 km deep · 48 km away
14. 2.526km SSE of Malibu, CAWed, Dec 21, 10:35 PM PST · 15616 days ago · 5 km deep · 81 km away
15. 2.32km SSW of San Dimas, CAWed, Dec 21, 11:56 PM PST · 15616 days ago · 12 km deep · 95 km away
16. 1.527km NE of Arvin, CAThu, Dec 22, 8:23 PM PST · 15615 days ago · 3 km deep · 94 km away
17. 1.816km SW of Wrightwood, CAFri, Dec 23, 2:12 PM PST · 15614 days ago · 5 km deep · 95 km away
18. 2.37km W of Grapevine, CASat, Dec 24, 2:09 AM PST · 15613 days ago · 10 km deep · 54 km away
19. 1.60km SSE of Inglewood, CASun, Dec 25, 6:53 PM PST · 15612 days ago · 5 km deep · 71 km away
20. 2.014km SW of Lamont, CAThu, Dec 29, 11:01 AM PST · 15608 days ago · 14 km deep · 79 km away
21. 1.720km NW of Tehachapi, CAThu, Dec 29, 6:08 PM PST · 15608 days ago · 5 km deep · 85 km away
22. 1.82km NNE of Lakewood, CAFri, Dec 30, 5:04 AM PST · 15607 days ago · 5 km deep · 90 km away
23. 1.87km NNW of Grapevine, CASat, Dec 31, 6:04 AM PST · 15606 days ago · 9 km deep · 58 km away
24. 1.818km SE of Arvin, CASat, Dec 31, 8:59 AM PST · 15606 days ago · 10 km deep · 64 km away
25. 1.612km SW of Lamont, CASun, Jan 1, 11:28 AM PST · 15605 days ago · 14 km deep · 78 km away
26. 1.713km SW of Lamont, CASun, Jan 1, 11:29 AM PST · 15605 days ago · 17 km deep · 78 km away
27. 2.013km SW of Lamont, CASun, Jan 1, 12:19 PM PST · 15605 days ago · 14 km deep · 79 km away
28. 2.63km S of Montecito, CAMon, Jan 2, 5:26 AM PST · 15604 days ago · 13 km deep · 86 km away
29. 2.44km SSW of Montecito, CAMon, Jan 2, 6:01 AM PST · 15604 days ago · 13 km deep · 86 km away
30. 2.419km SW of Rosedale, CAMon, Jan 2, 10:37 PM PST · 15604 days ago · 5 km deep · 95 km away
31. 1.52km NNE of Frazier Park, CAThu, Jan 5, 5:31 PM PST · 15601 days ago · 15 km deep · 41 km away
32. 1.920km SSE of Arvin, CAThu, Jan 5, 11:33 PM PST · 15601 days ago · 7 km deep · 60 km away
33. 1.78km SSE of Tehachapi, CASat, Jan 7, 10:28 PM PST · 15599 days ago · 9 km deep · 66 km away
34. 2.15km SSW of Castaic, CASun, Jan 8, 4:28 PM PST · 15598 days ago · 9 km deep · 10 km away
35. 1.55km SW of Pearblossum, CATue, Jan 10, 7:45 AM PST · 15596 days ago · 7 km deep · 71 km away
36. 2.49km SSE of Carpinteria, CAWed, Jan 11, 6:38 PM PST · 15595 days ago · 11 km deep · 74 km away
37. 2.512km SSE of Carpinteria, CAWed, Jan 11, 6:45 PM PST · 15595 days ago · -1 km deep · 72 km away
38. 1.920km NE of Arvin, CAFri, Jan 13, 1:02 AM PST · 15594 days ago · 5 km deep · 90 km away
39. 2.318km E of Maricopa, CASun, Jan 15, 10:02 AM PST · 15591 days ago · 8 km deep · 76 km away
40. 1.82km W of South El Monte, CASun, Jan 15, 12:34 PM PST · 15591 days ago · 15 km deep · 79 km away
41. 1.812km S of Arvin, CASun, Jan 15, 10:30 PM PST · 15591 days ago · 17 km deep · 66 km away
42. 1.724km SW of Lamont, CATue, Jan 17, 8:55 PM PST · 15589 days ago · 12 km deep · 75 km away
43. 2.67km N of Granada Hills, CAWed, Jan 18, 1:24 AM PST · 15589 days ago · 11 km deep · 27 km away
44. 1.77km SW of Ojai, CAWed, Jan 18, 8:06 AM PST · 15588 days ago · 12 km deep · 55 km away
45. 1.79km SW of Wrightwood, CAThu, Jan 19, 3:19 PM PST · 15587 days ago · 5 km deep · 95 km away
46. 1.75km SSW of Littlerock, CASat, Jan 21, 12:23 AM PST · 15586 days ago · 6 km deep · 65 km away
47. 1.616km ENE of Grapevine, CASat, Jan 21, 11:40 PM PST · 15585 days ago · 8 km deep · 54 km away
48. 2.77km SSW of Malibu, CAMon, Jan 23, 4:01 AM PST · 15583 days ago · 12 km deep · 65 km away
49. 1.98km WSW of Tehachapi, CAWed, Jan 25, 10:35 AM PST · 15581 days ago · 5 km deep · 68 km away
50. 2.220km NNW of Tehachapi, CAWed, Jan 25, 9:52 PM PST · 15581 days ago · 5 km deep · 87 km away
51. 1.523km NNW of Tehachapi, CAThu, Jan 26, 1:51 PM PST · 15580 days ago · 4 km deep · 92 km away
52. 1.92km WNW of Frazier Park, CAThu, Jan 26, 1:54 PM PST · 15580 days ago · 6 km deep · 42 km away
53. 1.74km ESE of Vincent, CAFri, Jan 27, 2:45 PM PST · 15579 days ago · 10 km deep · 59 km away
54. 2.212km S of Las Flores, CASat, Jan 28, 3:32 AM PST · 15578 days ago · 11 km deep · 66 km away
55. 2.66km SW of Lake Los Angeles, CASat, Jan 28, 3:51 AM PST · 15578 days ago · 8 km deep · 76 km away
56. 1.66km N of Sunland, CASat, Jan 28, 6:37 AM PST · 15578 days ago · 6 km deep · 44 km away
57. 2.67km W of Frazier Park, CASat, Jan 28, 4:05 PM PST · 15578 days ago · 11 km deep · 45 km away
58. 1.814km NNW of Grapevine, CASun, Jan 29, 10:21 AM PST · 15577 days ago · 24 km deep · 65 km away
59. 2.11km ENE of View Park-Windsor Hills, CATue, Jan 31, 4:32 AM PST · 15575 days ago · 12 km deep · 67 km away
60. 2.13km NNW of Frazier Park, CATue, Jan 31, 5:39 AM PST · 15575 days ago · 12 km deep · 43 km away

The first 60 of 80.

Before

1. 1.717km S of Malibu Beach, CASat, Dec 10, 8:07 AM PST · 15627 days ago · 5 km deep · 71 km away
2. 2.217km NNW of Tehachapi, CASat, Dec 10, 12:56 AM PST · 15628 days ago · 5 km deep · 87 km away
3. 1.618km E of Arvin, CATue, Dec 6, 3:51 PM PST · 15631 days ago · 4 km deep · 78 km away
4. 2.47km WSW of Lake Hughes, CASun, Dec 4, 1:28 PM PST · 15633 days ago · 9 km deep · 23 km away
5. 2.27km WNW of Frazier Park, CASun, Dec 4, 1:14 PM PST · 15633 days ago · 12 km deep · 46 km away
6. 2.437km NNW of Santa Barbara Is., CAFri, Dec 2, 11:23 PM PST · 15635 days ago · 6 km deep · 95 km away
7. 1.622km NE of Arvin, CAWed, Nov 30, 1:23 AM PST · 15638 days ago · 5 km deep · 90 km away
8. 2.04km NNW of Signal Hill, CATue, Nov 29, 5:23 AM PST · 15638 days ago · 5 km deep · 90 km away
9. 2.01km S of Valencia, CAMon, Nov 28, 11:38 PM PST · 15639 days ago · 3 km deep · 15 km away
10. 2.38km NNW of Santa Paula, CASun, Nov 27, 10:18 PM PST · 15640 days ago · 13 km deep · 38 km away
11. 2.17km SSW of Littlerock, CASun, Nov 27, 11:48 AM PST · 15640 days ago · 7 km deep · 65 km away
12. 2.59km WSW of Grapevine, CASat, Nov 26, 7:43 PM PST · 15641 days ago · 11 km deep · 51 km away
13. 1.63km NW of Altadena, CAThu, Nov 24, 11:57 PM PST · 15643 days ago · 10 km deep · 61 km away
14. 2.010km NNE of Grapevine, CAThu, Nov 24, 4:43 AM PST · 15643 days ago · 12 km deep · 59 km away
15. 2.412km WNW of Ventura, CAWed, Nov 23, 3:35 PM PST · 15644 days ago · 5 km deep · 63 km away
16. 2.85km WNW of Santa Monica, CAWed, Nov 23, 4:01 AM PST · 15644 days ago · 12 km deep · 56 km away
17. 2.58km NW of Grapevine, CATue, Nov 22, 9:13 PM PST · 15645 days ago · 18 km deep · 59 km away
18. 2.916km S of Santa Barbara, CATue, Nov 22, 8:16 AM PST · 15645 days ago · 2 km deep · 92 km away
19. 2.18km WNW of Grapevine, CAMon, Nov 21, 8:09 AM PST · 15646 days ago · 13 km deep · 56 km away
20. 2.019km W of Rancho Palos Verdes, CAFri, Nov 18, 6:02 PM PST · 15649 days ago · 5 km deep · 85 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci28239. Read Tue, Sep 22, 2026, 9:21 PM UTC.