M1.5 earthquake 11km N of Castaic, CA

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Jan 19, 2003, 8:13 AM PST

UTC

2003-01-19 16:13:19 UTC

Depth

9.5 km (5.9 mi), shallow

Epicenter

34.590° N, 118.616° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 1.0 km in depth

Magnitude uncertainty

±0.32

Depth from

From location

Station coverage gap

102°

Stations used

10

• Castaic, CaliforniaPopulation 19,015. Forecast11 kmN
• Valencia, CaliforniaPopulation 148,456. Forecast16 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast69 kmNNW

After

1. 1.517km NE of Arvin, CAMon, Jan 20, 4:41 AM PST · 8659 days ago · 4 km deep · 80 km away
2. 1.820km NE of Arvin, CAMon, Jan 20, 12:15 PM PST · 8658 days ago · 0 km deep · 83 km away
3. 1.518km NE of Arvin, CAMon, Jan 20, 12:18 PM PST · 8658 days ago · 4 km deep · 81 km away
4. 2.20km ENE of Baldwin Hills, CAMon, Jan 20, 4:20 PM PST · 8658 days ago · 15 km deep · 69 km away
5. 2.09km N of Pacoima, CATue, Jan 21, 12:32 AM PST · 8658 days ago · 7 km deep · 30 km away
6. 1.98km N of Pacoima, CATue, Jan 21, 12:33 AM PST · 8658 days ago · 4 km deep · 31 km away
7. 1.71km SW of Encino, CATue, Jan 21, 5:46 AM PST · 8658 days ago · 10 km deep · 49 km away
8. 3.013km WSW of El Segundo, CAWed, Jan 22, 12:28 PM PST · 8656 days ago · 13 km deep · 77 km away · felt by 2
9. 1.91km NNW of Baldwin Hills, CAThu, Jan 23, 5:09 PM PST · 8655 days ago · 9 km deep · 68 km away
10. 2.018km NE of Arvin, CAFri, Jan 24, 11:54 PM PST · 8654 days ago · 5 km deep · 82 km away
11. 1.818km NE of Arvin, CAFri, Jan 24, 11:56 PM PST · 8654 days ago · 5 km deep · 82 km away
12. 2.720km NE of Arvin, CASat, Jan 25, 12:01 AM PST · 8654 days ago · 3 km deep · 82 km away
13. 1.719km NE of Arvin, CASat, Jan 25, 12:03 AM PST · 8654 days ago · 5 km deep · 82 km away
14. 2.020km NE of Arvin, CASat, Jan 25, 12:03 AM PST · 8654 days ago · 5 km deep · 82 km away
15. 2.620km NE of Arvin, CASat, Jan 25, 12:10 AM PST · 8654 days ago · 5 km deep · 83 km away
16. 2.420km NE of Arvin, CASat, Jan 25, 12:55 AM PST · 8654 days ago · 5 km deep · 82 km away
17. 2.018km NE of Arvin, CASat, Jan 25, 1:06 AM PST · 8654 days ago · 5 km deep · 82 km away
18. 3.920km NE of Arvin, CASat, Jan 25, 1:11 AM PST · 8654 days ago · 5 km deep · 82 km away
19. 4.520km NE of Arvin, CASat, Jan 25, 1:16 AM PST · 8654 days ago · 5 km deep · 81 km away · felt by 11
20. 1.622km NE of Arvin, CASat, Jan 25, 1:19 AM PST · 8654 days ago · 5 km deep · 81 km away
21. 2.120km NE of Arvin, CASat, Jan 25, 1:20 AM PST · 8654 days ago · 5 km deep · 81 km away
22. 2.020km NE of Arvin, CASat, Jan 25, 1:20 AM PST · 8654 days ago · 4 km deep · 81 km away
23. 1.720km NE of Arvin, CaliforniaSat, Jan 25, 1:28 AM PST · 8654 days ago · 5 km deep · 82 km away
24. 1.819km NE of Arvin, CASat, Jan 25, 1:29 AM PST · 8654 days ago · 5 km deep · 81 km away
25. 2.320km NE of Arvin, CASat, Jan 25, 1:51 AM PST · 8654 days ago · 5 km deep · 81 km away
26. 2.419km NE of Arvin, CASat, Jan 25, 2:11 AM PST · 8654 days ago · 4 km deep · 81 km away
27. 2.021km NE of Arvin, CASat, Jan 25, 2:20 AM PST · 8654 days ago · 4 km deep · 81 km away
28. 2.421km NE of Arvin, CASat, Jan 25, 3:09 AM PST · 8654 days ago · 3 km deep · 81 km away
29. 1.719km NE of Arvin, CASat, Jan 25, 3:47 AM PST · 8654 days ago · 4 km deep · 80 km away
30. 1.720km NE of Arvin, CASat, Jan 25, 3:54 AM PST · 8654 days ago · 4 km deep · 80 km away
31. 1.819km NE of Arvin, CASat, Jan 25, 4:10 AM PST · 8654 days ago · 5 km deep · 81 km away
32. 1.621km NE of Arvin, CASat, Jan 25, 4:37 AM PST · 8654 days ago · 5 km deep · 81 km away
33. 1.818km NE of Arvin, CASat, Jan 25, 6:30 AM PST · 8654 days ago · 4 km deep · 79 km away
34. 1.821km NE of Arvin, CASat, Jan 25, 9:28 AM PST · 8654 days ago · 5 km deep · 81 km away
35. 2.120km NE of Arvin, CASat, Jan 25, 12:30 PM PST · 8653 days ago · 5 km deep · 81 km away
36. 1.719km NE of Arvin, CASat, Jan 25, 1:55 PM PST · 8653 days ago · 4 km deep · 82 km away
37. 2.018km NE of Arvin, CASat, Jan 25, 2:58 PM PST · 8653 days ago · 4 km deep · 83 km away
38. 3.020km NE of Arvin, CASat, Jan 25, 9:30 PM PST · 8653 days ago · 3 km deep · 81 km away
39. 2.820km NE of Arvin, CASat, Jan 25, 9:32 PM PST · 8653 days ago · 5 km deep · 81 km away
40. 2.019km NE of Arvin, CASat, Jan 25, 9:37 PM PST · 8653 days ago · 4 km deep · 81 km away
41. 2.019km NE of Arvin, CASat, Jan 25, 10:11 PM PST · 8653 days ago · 4 km deep · 81 km away
42. 1.519km NE of Arvin, CASat, Jan 25, 10:14 PM PST · 8653 days ago · 4 km deep · 83 km away
43. 2.420km NE of Arvin, CASat, Jan 25, 10:18 PM PST · 8653 days ago · 5 km deep · 81 km away
44. 1.920km NE of Arvin, CASat, Jan 25, 10:27 PM PST · 8653 days ago · 5 km deep · 82 km away
45. 2.920km NE of Arvin, CASat, Jan 25, 10:29 PM PST · 8653 days ago · 2 km deep · 80 km away
46. 2.520km NE of Arvin, CASat, Jan 25, 11:36 PM PST · 8653 days ago · 3 km deep · 80 km away
47. 1.719km NE of Arvin, CASun, Jan 26, 1:32 AM PST · 8653 days ago · 4 km deep · 81 km away
48. 1.911km NE of Simi Valley, CASun, Jan 26, 3:30 AM PST · 8653 days ago · 14 km deep · 27 km away
49. 1.820km NE of Arvin, CaliforniaSun, Jan 26, 4:37 AM PST · 8653 days ago · 5 km deep · 81 km away
50. 1.812km SW of Marina del Rey, CASun, Jan 26, 5:59 PM PST · 8652 days ago · 15 km deep · 76 km away
51. 1.720km NE of Arvin, CAMon, Jan 27, 1:55 AM PST · 8652 days ago · 4 km deep · 82 km away
52. 1.521km NE of Arvin, CAMon, Jan 27, 2:19 AM PST · 8652 days ago · 0 km deep · 83 km away
53. 1.619km NE of Arvin, CAMon, Jan 27, 3:28 AM PST · 8652 days ago · 4 km deep · 81 km away
54. 1.621km NE of Arvin, CaliforniaMon, Jan 27, 3:28 AM PST · 8652 days ago · 5 km deep · 82 km away
55. 1.521km NE of Arvin, CAMon, Jan 27, 3:39 AM PST · 8652 days ago · 0 km deep · 83 km away
56. 1.519km NE of Arvin, CAMon, Jan 27, 7:19 AM PST · 8652 days ago · 5 km deep · 82 km away
57. 1.619km NE of Arvin, CAMon, Jan 27, 7:30 AM PST · 8652 days ago · 1 km deep · 80 km away
58. 1.518km NE of Arvin, CAMon, Jan 27, 10:38 AM PST · 8652 days ago · 4 km deep · 84 km away
59. 1.520km NE of Arvin, CAMon, Jan 27, 12:02 PM PST · 8651 days ago · 4 km deep · 82 km away
60. 1.518km NE of Arvin, CAMon, Jan 27, 12:06 PM PST · 8651 days ago · 5 km deep · 83 km away

The first 60 of 193.

Before

1. 1.518km NE of Arvin, CASun, Jan 19, 7:12 AM PST · 8660 days ago · 1 km deep · 83 km away
2. 1.68km SSW of Arvin, CASat, Jan 18, 7:14 PM PST · 8660 days ago · 7 km deep · 66 km away
3. 3.15km NNE of Chatsworth, CASat, Jan 18, 2:43 AM PST · 8661 days ago · 2 km deep · 32 km away · felt by 2
4. 1.720km NE of Arvin, CASat, Jan 18, 1:56 AM PST · 8661 days ago · 3 km deep · 83 km away
5. 2.219km NE of Arvin, CAFri, Jan 17, 9:13 PM PST · 8661 days ago · 1 km deep · 81 km away
6. 1.819km NE of Arvin, CAFri, Jan 17, 8:59 PM PST · 8661 days ago · 1 km deep · 81 km away
7. 1.612km NNE of Simi Valley, CAFri, Jan 17, 5:13 PM PST · 8661 days ago · 14 km deep · 26 km away
8. 1.618km NE of Arvin, CAFri, Jan 17, 4:22 PM PST · 8661 days ago · 5 km deep · 82 km away
9. 2.017km NNW of Fillmore, CAFri, Jan 17, 4:05 PM PST · 8661 days ago · 26 km deep · 38 km away
10. 1.720km NE of Arvin, CAFri, Jan 17, 8:45 AM PST · 8662 days ago · 2 km deep · 81 km away
11. 1.619km NE of Arvin, CAFri, Jan 17, 8:35 AM PST · 8662 days ago · 4 km deep · 82 km away
12. 1.518km NE of Arvin, CAFri, Jan 17, 5:58 AM PST · 8662 days ago · 4 km deep · 81 km away
13. 2.120km NE of Arvin, CAFri, Jan 17, 4:21 AM PST · 8662 days ago · 1 km deep · 82 km away
14. 2.420km NE of Arvin, CAFri, Jan 17, 4:18 AM PST · 8662 days ago · 1 km deep · 82 km away
15. 2.019km NE of Arvin, CAFri, Jan 17, 3:48 AM PST · 8662 days ago · 1 km deep · 82 km away
16. 1.61km E of Baldwin Hills, CAFri, Jan 17, 2:53 AM PST · 8662 days ago · 15 km deep · 69 km away
17. 2.719km NE of Arvin, CAFri, Jan 17, 2:09 AM PST · 8662 days ago · 1 km deep · 81 km away
18. 2.820km NE of Arvin, CAFri, Jan 17, 2:05 AM PST · 8662 days ago · 1 km deep · 81 km away
19. 1.92km SSW of Lakewood, CAFri, Jan 17, 1:47 AM PST · 8662 days ago · 16 km deep · 95 km away
20. 2.121km ENE of Arvin, CAFri, Jan 17, 12:05 AM PST · 8662 days ago · 1 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9881221. Read Mon, Oct 5, 2026, 6:47 AM UTC.