M1.9 earthquake 4km NW of Willowbrook, CA

Magnitude

1.9 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Dec 18, 1985, 7:01 PM PST

UTC

1985-12-19 03:01:14 UTC

Depth

0.5 km (0.3 mi), shallow

Epicenter

33.946° N, 118.281° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

113°

Stations used

0

• Westmont, CaliforniaPopulation 31,853. Forecast2 kmENE
• Inglewood, CaliforniaPopulation 111,666. Forecast7 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast12 kmSSW

After

1. 2.72km N of Santa Monica, CAThu, Dec 19, 5:03 AM PST · 14896 days ago · 15 km deep · 22 km away
2. 1.71km E of Muscoy, CAThu, Dec 19, 6:11 AM PST · 14896 days ago · 5 km deep · 91 km away
3. 1.99km NW of Fillmore, CAFri, Dec 20, 11:34 AM PST · 14895 days ago · 3 km deep · 86 km away
4. 2.03km E of El Segundo, CAFri, Dec 20, 4:39 PM PST · 14895 days ago · 14 km deep · 10 km away
5. 1.63km NNW of Mira Loma, CASat, Dec 21, 12:32 AM PST · 14895 days ago · 2 km deep · 70 km away
6. 2.118km NE of Avalon, CASun, Dec 22, 9:54 AM PST · 14893 days ago · 12 km deep · 54 km away
7. 2.46km W of Malibu Beach, CAMon, Dec 23, 11:03 AM PST · 14892 days ago · 8 km deep · 44 km away
8. 1.615km SSW of Gorman, CAMon, Dec 23, 8:23 PM PST · 14892 days ago · 17 km deep · 100 km away
9. 1.74km NW of Mira Loma, CATue, Dec 24, 12:29 AM PST · 14892 days ago · 3 km deep · 69 km away
10. 2.18km SSE of Llano, CATue, Dec 24, 12:30 AM PST · 14892 days ago · 5 km deep · 72 km away
11. 1.73km WNW of Wrightwood, CATue, Dec 24, 10:44 PM PST · 14891 days ago · 9 km deep · 74 km away
12. 2.416km NNW of Fillmore, CAWed, Dec 25, 5:02 AM PST · 14890 days ago · 13 km deep · 91 km away
13. 1.812km WSW of Lake Hughes, CAWed, Dec 25, 11:33 PM PST · 14890 days ago · 8 km deep · 83 km away
14. 1.97km NNW of Pacoima, CAThu, Dec 26, 3:54 PM PST · 14889 days ago · 5 km deep · 47 km away
15. 1.66km SSE of Loma Linda, CAFri, Dec 27, 9:28 AM PST · 14888 days ago · 18 km deep · 96 km away
16. 1.91km ENE of Loma Linda, CAFri, Dec 27, 11:38 PM PST · 14888 days ago · 15 km deep · 96 km away
17. 1.64km NW of Mira Loma, CASun, Dec 29, 12:37 PM PST · 14886 days ago · 3 km deep · 69 km away
18. 1.72km E of Castaic, CASun, Dec 29, 6:41 PM PST · 14886 days ago · 14 km deep · 67 km away
19. 1.616km N of Fillmore, CATue, Dec 31, 12:22 AM PST · 14885 days ago · 18 km deep · 90 km away
20. 2.13km SW of Lytle Creek, CATue, Dec 31, 12:56 PM PST · 14884 days ago · 9 km deep · 77 km away
21. 1.72km SSE of Loma Linda, CAWed, Jan 1, 2:47 AM PST · 14884 days ago · 18 km deep · 95 km away
22. 2.22km ENE of Chino Hills, CAWed, Jan 1, 3:59 AM PST · 14883 days ago · 3 km deep · 50 km away
23. 2.08km SSE of Llano, CAWed, Jan 1, 5:59 AM PST · 14883 days ago · 5 km deep · 73 km away
24. 2.04km S of Yorba Linda, CAWed, Jan 1, 9:26 PM PST · 14883 days ago · 5 km deep · 45 km away
25. 1.81km SW of Colton, CAThu, Jan 2, 7:52 PM PST · 14882 days ago · 17 km deep · 90 km away
26. 1.93km NW of Muscoy, CAThu, Jan 2, 11:11 PM PST · 14882 days ago · 14 km deep · 87 km away
27. 2.06km SSW of Redlands, CAFri, Jan 3, 5:47 PM PST · 14881 days ago · 17 km deep · 100 km away
28. 1.66km NW of Mira Loma, CASat, Jan 4, 2:59 AM PST · 14880 days ago · 10 km deep · 68 km away
29. 2.37km NNW of Moreno Valley, CASat, Jan 4, 8:10 AM PST · 14880 days ago · 12 km deep · 96 km away
30. 1.910km W of Corona, CASat, Jan 4, 2:16 PM PST · 14880 days ago · 2 km deep · 56 km away
31. 1.97km WSW of Woodcrest, CASun, Jan 5, 7:35 PM PST · 14879 days ago · 11 km deep · 80 km away
32. 1.84km W of Devore, CAMon, Jan 6, 4:09 AM PST · 14878 days ago · 6 km deep · 83 km away
33. 2.37km SSE of Santa Clarita, CATue, Jan 7, 11:32 AM PST · 14877 days ago · 1 km deep · 49 km away
34. 2.48km NNW of Fontana, CATue, Jan 7, 6:16 PM PST · 14877 days ago · 6 km deep · 77 km away
35. 1.99km N of Rancho Cucamonga, CAWed, Jan 8, 8:54 PM PST · 14876 days ago · 6 km deep · 71 km away
36. 1.62km WSW of Pasadena, CAThu, Jan 9, 4:32 AM PST · 14875 days ago · 14 km deep · 25 km away
37. 1.52km N of South Pasadena, CAThu, Jan 9, 6:16 AM PST · 14875 days ago · 13 km deep · 24 km away
38. 2.22km NE of Huntington Park, CAThu, Jan 9, 10:02 PM PST · 14875 days ago · 13 km deep · 8 km away
39. 2.01km NNW of Granada Hills, CASat, Jan 11, 10:23 AM PST · 14873 days ago · 7 km deep · 43 km away
40. 2.21km NW of Granada Hills, CASat, Jan 11, 11:25 AM PST · 14873 days ago · 8 km deep · 42 km away
41. 2.00km N of Baldwin Hills, CASat, Jan 11, 10:14 PM PST · 14873 days ago · 13 km deep · 11 km away
42. 1.82km SSE of Loma Linda, CASun, Jan 12, 12:37 AM PST · 14873 days ago · 14 km deep · 96 km away
43. 1.74km E of Vincent, CASun, Jan 12, 7:59 PM PST · 14872 days ago · 10 km deep · 64 km away
44. 2.05km ESE of Ontario, CATue, Jan 14, 8:02 PM PST · 14870 days ago · 9 km deep · 66 km away
45. 1.99km ENE of Villa Park, CAWed, Jan 15, 1:58 PM PST · 14869 days ago · 0 km deep · 52 km away
46. 1.65km SSW of Valencia, CAWed, Jan 15, 2:47 PM PST · 14869 days ago · 3 km deep · 60 km away
47. 1.82km ESE of Muscoy, CASat, Jan 18, 2:26 AM PST · 14867 days ago · 10 km deep · 91 km away
48. 2.08km WSW of Corona, CASat, Jan 18, 2:28 AM PST · 14867 days ago · 2 km deep · 60 km away
49. 1.92km SW of Loma Linda, CASat, Jan 18, 4:02 PM PST · 14866 days ago · 18 km deep · 93 km away
50. 1.83km E of Grand Terrace, CASun, Jan 19, 4:23 AM PST · 14865 days ago · 17 km deep · 92 km away
51. 2.08km ESE of Malibu, CASun, Jan 19, 12:28 PM PST · 14865 days ago · 9 km deep · 42 km away
52. 2.73km SE of Loma Linda, CAMon, Jan 20, 12:03 AM PST · 14865 days ago · 15 km deep · 97 km away
53. 1.73km NNE of Rancho Cucamonga, CAMon, Jan 20, 3:29 AM PST · 14864 days ago · 14 km deep · 69 km away
54. 2.68km WSW of Corona, CAMon, Jan 20, 6:05 AM PST · 14864 days ago · 1 km deep · 60 km away
55. 1.74km SSE of Pearblossum, CATue, Jan 21, 4:47 PM PST · 14863 days ago · 6 km deep · 68 km away
56. 2.14km W of Lytle Creek, CAWed, Jan 22, 1:54 AM PST · 14863 days ago · 13 km deep · 76 km away
57. 3.425km NNW of Santa Barbara Is., CAWed, Jan 22, 8:26 AM PST · 14862 days ago · 6 km deep · 84 km away
58. 1.72km NNW of Sierra Madre, CAThu, Jan 23, 7:50 AM PST · 14861 days ago · 13 km deep · 33 km away
59. 1.82km WNW of West Hills, CAThu, Jan 23, 6:40 PM PST · 14861 days ago · 6 km deep · 45 km away
60. 1.98km NNW of Fontana, CAThu, Jan 23, 8:13 PM PST · 14861 days ago · 10 km deep · 78 km away

The first 60 of 111.

Before

1. 2.532km W of Avalon, CAWed, Dec 18, 6:14 PM PST · 14897 days ago · 6 km deep · 73 km away
2. 1.81km NW of Colton, CAWed, Dec 18, 12:58 AM PST · 14898 days ago · 17 km deep · 90 km away
3. 2.12km ESE of Muscoy, CATue, Dec 17, 3:11 AM PST · 14898 days ago · 5 km deep · 91 km away
4. 1.76km SW of Malibu, CATue, Dec 17, 1:44 AM PST · 14899 days ago · 14 km deep · 53 km away
5. 2.01km WSW of Ontario, CAMon, Dec 16, 5:46 AM PST · 14899 days ago · 12 km deep · 60 km away
6. 1.85km SSE of Lytle Creek, CASun, Dec 15, 5:25 AM PST · 14900 days ago · 13 km deep · 81 km away
7. 1.62km NNW of Colton, CASat, Dec 14, 8:24 PM PST · 14901 days ago · 10 km deep · 90 km away
8. 2.08km W of Rancho Palos Verdes, CAFri, Dec 13, 6:59 PM PST · 14902 days ago · 0 km deep · 29 km away
9. 2.024km SSE of Port Hueneme, CAFri, Dec 13, 5:12 AM PST · 14902 days ago · 1 km deep · 76 km away
10. 2.323km SSE of Port Hueneme, CAFri, Dec 13, 4:57 AM PST · 14902 days ago · -1 km deep · 75 km away
11. 2.18km SSE of Santa Clarita, CAThu, Dec 12, 4:52 PM PST · 14903 days ago · 5 km deep · 48 km away
12. 1.86km ENE of Santa Clarita, CAWed, Dec 11, 9:29 AM PST · 14904 days ago · 8 km deep · 56 km away
13. 2.12km NW of Loma Linda, CATue, Dec 10, 2:02 PM PST · 14905 days ago · 15 km deep · 94 km away
14. 2.06km SSE of Loma Linda, CAMon, Dec 9, 6:54 PM PST · 14906 days ago · 18 km deep · 96 km away
15. 1.72km NW of Colton, CAMon, Dec 9, 3:50 AM PST · 14906 days ago · 10 km deep · 89 km away
16. 1.71km NW of Colton, CASun, Dec 8, 11:12 PM PST · 14907 days ago · 11 km deep · 90 km away
17. 1.82km NNW of Colton, CASun, Dec 8, 10:18 PM PST · 14907 days ago · 10 km deep · 90 km away
18. 3.39km WSW of Santa Barbara Is., CASun, Dec 8, 6:56 PM PST · 14907 days ago · 6 km deep · 98 km away
19. 1.52km NNW of Colton, CASun, Dec 8, 3:45 PM PST · 14907 days ago · 10 km deep · 90 km away
20. 1.92km NNW of Colton, CASun, Dec 8, 8:57 AM PST · 14907 days ago · 10 km deep · 90 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci110999. Read Thu, Oct 1, 2026, 10:23 PM UTC.