M1.5 earthquake 11km NW of Fillmore, CA

Magnitude

1.5 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Apr 22, 1981, 1:22 AM PST

UTC

1981-04-22 09:22:08 UTC

Depth

1.2 km (0.8 mi), shallow

Epicenter

34.474° N, 118.999° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 2.3 km in depth

Depth from

From location

Station coverage gap

70°

Stations used

12

• Fillmore, CaliforniaPopulation 15,548. Forecast11 kmNW
• Simi Valley, CaliforniaPopulation 126,788. Forecast30 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast84 kmNW

After

1. 1.619km SSW of Lamont, CAWed, Apr 22, 9:24 AM PST · 16600 days ago · 2 km deep · 70 km away
2. 2.56km NW of Santa Cruz Is. (E end), CAFri, Apr 24, 11:53 AM PST · 16598 days ago · 17 km deep · 68 km away
3. 2.25km NW of Santa Cruz Is. (E end), CAFri, Apr 24, 11:56 AM PST · 16598 days ago · 21 km deep · 70 km away
4. 2.019km NW of Grapevine, CASat, Apr 25, 12:09 AM PST · 16597 days ago · -1 km deep · 65 km away
5. 1.54km N of Huntington Park, CAMon, Apr 27, 1:47 PM PDT · 16595 days ago · 11 km deep · 88 km away
6. 1.731km NNE of Santa Barbara Is., CATue, Apr 28, 12:32 PM PDT · 16594 days ago · 6 km deep · 81 km away
7. 1.55km ESE of Santa Clarita, CAWed, Apr 29, 1:18 AM PDT · 16593 days ago · 15 km deep · 51 km away
8. 2.020km SSE of Carpinteria, CAWed, Apr 29, 11:54 AM PDT · 16593 days ago · 12 km deep · 50 km away
9. 1.720km SSE of Carpinteria, CAWed, Apr 29, 12:15 PM PDT · 16593 days ago · 15 km deep · 50 km away
10. 1.79km NNE of Grapevine, CAWed, Apr 29, 11:51 PM PDT · 16592 days ago · 13 km deep · 62 km away
11. 2.012km NNE of Taft, CAThu, Apr 30, 1:13 AM PDT · 16592 days ago · 14 km deep · 93 km away
12. 1.61km SE of MacArthur Park, CAFri, May 1, 4:18 AM PDT · 16591 days ago · 10 km deep · 82 km away
13. 2.028km S of Malibu, CAFri, May 1, 12:14 PM PDT · 16591 days ago · 6 km deep · 81 km away
14. 1.72km SW of Los Angeles, CASat, May 2, 3:40 AM PDT · 16590 days ago · 10 km deep · 83 km away
15. 2.15km N of Sunland, CASun, May 3, 11:44 PM PDT · 16588 days ago · 3 km deep · 66 km away
16. 2.51km WSW of Port Hueneme, CAMon, May 4, 4:10 PM PDT · 16588 days ago · 10 km deep · 42 km away
17. 2.510km S of Tehachapi, CATue, May 5, 12:46 PM PDT · 16587 days ago · 6 km deep · 81 km away
18. 1.917km SW of Lamont, CATue, May 5, 1:11 PM PDT · 16587 days ago · 14 km deep · 74 km away
19. 2.223km ENE of Arvin, CATue, May 5, 2:24 PM PDT · 16587 days ago · 1 km deep · 100 km away
20. 1.913km SSE of Malibu Beach, CAThu, May 7, 3:26 AM PDT · 16585 days ago · 13 km deep · 69 km away
21. 2.13km NNW of Maywood, CAFri, May 8, 1:03 PM PDT · 16584 days ago · 14 km deep · 90 km away
22. 2.511km E of Santa Clarita, CAFri, May 8, 9:38 PM PDT · 16584 days ago · 5 km deep · 56 km away
23. 1.65km NW of Frazier Park, CASun, May 10, 12:01 AM PDT · 16582 days ago · 1 km deep · 43 km away
24. 2.121km NW of Tehachapi, CAMon, May 11, 2:54 PM PDT · 16581 days ago · 3 km deep · 98 km away
25. 2.09km W of Grapevine, CAFri, May 15, 8:41 PM PDT · 16577 days ago · 11 km deep · 53 km away
26. 2.23km SSW of Los Angeles, CASat, May 16, 6:56 PM PDT · 16576 days ago · 4 km deep · 84 km away
27. 1.82km S of MacArthur Park, CAWed, May 20, 10:05 AM PDT · 16572 days ago · 7 km deep · 82 km away
28. 1.922km NNE of Ojai, CAFri, May 22, 8:40 PM PDT · 16570 days ago · 2 km deep · 19 km away
29. 1.51km SW of MacArthur Park, CASat, May 23, 1:39 PM PDT · 16569 days ago · 9 km deep · 81 km away
30. 1.921km N of Pine Mountain Club, CASun, May 24, 2:41 AM PDT · 16568 days ago · 10 km deep · 63 km away
31. 1.51km SSE of MacArthur Park, CASun, May 24, 4:57 AM PDT · 16568 days ago · 8 km deep · 82 km away
32. 2.02km S of Lynwood, CATue, May 26, 3:07 AM PDT · 16566 days ago · 5 km deep · 95 km away
33. 1.910km SW of Santa Barbara, CATue, May 26, 9:44 PM PDT · 16566 days ago · 0 km deep · 73 km away
34. 2.01km NNW of West Hills, CAThu, May 28, 11:36 AM PDT · 16564 days ago · 3 km deep · 44 km away
35. 2.121km SSW of Carpinteria, CAFri, May 29, 5:50 AM PDT · 16563 days ago · 20 km deep · 64 km away
36. 1.720km SSW of Carpinteria, CAFri, May 29, 5:25 PM PDT · 16563 days ago · 5 km deep · 62 km away
37. 2.321km SSW of Carpinteria, CAFri, May 29, 7:20 PM PDT · 16563 days ago · 12 km deep · 64 km away
38. 2.220km SSW of Carpinteria, CAFri, May 29, 7:21 PM PDT · 16563 days ago · 14 km deep · 63 km away
39. 2.619km SSW of Carpinteria, CAFri, May 29, 7:22 PM PDT · 16563 days ago · 16 km deep · 63 km away
40. 1.933km N of Santa Barbara Is., CASun, May 31, 10:55 PM PDT · 16560 days ago · 6 km deep · 78 km away
41. 2.127km WSW of Rancho Palos Verdes, CATue, Jun 2, 11:06 PM PDT · 16558 days ago · 5 km deep · 98 km away
42. 2.131km WSW of Rancho Palos Verdes, CAWed, Jun 3, 4:20 PM PDT · 16558 days ago · 5 km deep · 98 km away
43. 2.34km NE of Carson, CAWed, Jun 3, 11:11 PM PDT · 16557 days ago · 18 km deep · 96 km away
44. 1.81km SSE of Caltech, Pasadena, CASat, Jun 6, 12:14 AM PDT · 16555 days ago · 14 km deep · 89 km away
45. 2.415km NW of Grapevine, CASat, Jun 6, 11:33 PM PDT · 16554 days ago · -1 km deep · 62 km away
46. 1.931km S of Malibu, CASun, Jun 7, 9:23 AM PDT · 16554 days ago · 5 km deep · 85 km away
47. 1.715km SW of Rosedale, CASun, Jun 7, 6:46 PM PDT · 16554 days ago · 5 km deep · 93 km away
48. 1.613km NNW of Grapevine, CASun, Jun 7, 7:24 PM PDT · 16554 days ago · -1 km deep · 65 km away
49. 1.57km ESE of Carpinteria, CATue, Jun 9, 5:01 PM PDT · 16552 days ago · 13 km deep · 43 km away
50. 1.50km E of Compton, CAWed, Jun 10, 7:06 PM PDT · 16551 days ago · 5 km deep · 97 km away
51. 3.28km SSE of Tehachapi, CAThu, Jun 11, 7:58 PM PDT · 16550 days ago · 1 km deep · 85 km away
52. 3.811km NE of Simi Valley, CAThu, Jun 11, 11:06 PM PDT · 16549 days ago · 13 km deep · 33 km away
53. 2.35km WSW of Valencia, CAFri, Jun 12, 8:22 PM PDT · 16549 days ago · 4 km deep · 35 km away
54. 1.83km WSW of Maricopa, CASat, Jun 13, 1:20 PM PDT · 16548 days ago · 0 km deep · 76 km away
55. 1.518km S of Port Hueneme, CAWed, Jun 17, 4:09 AM PDT · 16544 days ago · 1 km deep · 57 km away
56. 1.516km SSE of Port Hueneme, CAWed, Jun 17, 4:20 AM PDT · 16544 days ago · 1 km deep · 53 km away
57. 2.612km SSE of Malibu Beach, CAWed, Jun 17, 10:31 PM PDT · 16544 days ago · 8 km deep · 68 km away
58. 2.010km S of Malibu Beach, CAThu, Jun 18, 1:00 AM PDT · 16543 days ago · 9 km deep · 65 km away

Before

1. 1.719km SSE of Arvin, CATue, Apr 21, 9:06 PM PST · 16601 days ago · 9 km deep · 70 km away
2. 1.88km W of El Segundo, CATue, Apr 21, 4:44 AM PST · 16601 days ago · 10 km deep · 77 km away
3. 2.018km N of Pine Mountain Club, CATue, Apr 14, 8:29 PM PST · 16608 days ago · 1 km deep · 60 km away
4. 1.512km NW of Fillmore, CATue, Apr 14, 5:23 PM PST · 16608 days ago · 4 km deep · 2 km away
5. 1.712km SW of Port Hueneme, CASun, Apr 12, 8:33 PM PST · 16610 days ago · 20 km deep · 52 km away
6. 1.517km S of Santa Barbara, CAThu, Apr 9, 11:50 AM PST · 16613 days ago · -1 km deep · 66 km away
7. 1.710km W of Palos Verdes Estates, CAWed, Apr 8, 6:10 PM PST · 16614 days ago · 10 km deep · 88 km away
8. 1.97km SW of Pearblossum, CAWed, Apr 8, 4:56 AM PST · 16614 days ago · 8 km deep · 96 km away
9. 2.12km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16618 days ago · 24 km deep · 33 km away
10. 1.54km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16618 days ago · 17 km deep · 32 km away
11. 1.514km SSW of Tehachapi, CAThu, Apr 2, 4:53 AM PST · 16620 days ago · 5 km deep · 76 km away
12. 1.68km NE of Santa Clarita, CAWed, Apr 1, 8:06 AM PST · 16621 days ago · 14 km deep · 51 km away
13. 2.316km WNW of Malibu, CATue, Mar 31, 3:36 AM PST · 16622 days ago · 5 km deep · 45 km away
14. 2.08km SSW of Malibu Beach, CAFri, Mar 27, 4:57 PM PST · 16626 days ago · 15 km deep · 62 km away
15. 2.14km NNW of Vincent, CAMon, Mar 23, 8:06 AM PST · 16630 days ago · 0 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci514804. Read Sat, Oct 3, 2026, 5:24 PM UTC.