M1.6 earthquake 3km NW of Altadena, CA

Magnitude

1.6 (mc), micro

Local time

Thu, Nov 24, 1983, 11:57 PM PST

UTC

1983-11-25 07:57:56 UTC

Depth

10.3 km (6.4 mi), shallow

Epicenter

34.213° N, 118.154° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

72°

Stations used

0

• Altadena, CaliforniaPopulation 42,777. Forecast3 kmNW
• Pasadena, CaliforniaPopulation 142,250. Forecast7 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast20 kmNNE

After

1. 2.41km ESE of Loma Linda, CAFri, Nov 25, 12:23 AM PST · 15644 days ago · 16 km deep · 85 km away
2. 1.69km SW of Lytle Creek, CAFri, Nov 25, 7:29 AM PST · 15644 days ago · 7 km deep · 53 km away
3. 2.01km SE of Loma Linda, CASat, Nov 26, 9:56 PM PST · 15642 days ago · 14 km deep · 85 km away
4. 2.17km SSW of Littlerock, CASun, Nov 27, 11:48 AM PST · 15642 days ago · 7 km deep · 31 km away
5. 2.38km NNW of Santa Paula, CASun, Nov 27, 10:18 PM PST · 15641 days ago · 13 km deep · 90 km away
6. 2.20km SSE of Loma Linda, CAMon, Nov 28, 12:21 AM PST · 15641 days ago · 14 km deep · 84 km away
7. 1.71km SSW of Loma Linda, CAMon, Nov 28, 12:22 AM PST · 15641 days ago · 15 km deep · 84 km away
8. 2.01km S of Valencia, CAMon, Nov 28, 11:38 PM PST · 15640 days ago · 3 km deep · 46 km away
9. 2.04km NNW of Signal Hill, CATue, Nov 29, 5:23 AM PST · 15640 days ago · 5 km deep · 42 km away
10. 1.86km SSE of Loma Linda, CAThu, Dec 1, 9:20 PM PST · 15637 days ago · 17 km deep · 88 km away
11. 2.47km WSW of Lake Hughes, CASun, Dec 4, 1:28 PM PST · 15635 days ago · 9 km deep · 58 km away
12. 1.69km NE of Moreno Valley, CATue, Dec 6, 5:31 AM PST · 15633 days ago · 13 km deep · 95 km away
13. 2.112km WNW of Lakeland Village, CATue, Dec 6, 12:12 PM PST · 15633 days ago · 7 km deep · 87 km away
14. 2.42km SE of Yorba Linda, CAWed, Dec 7, 4:42 AM PST · 15632 days ago · 6 km deep · 49 km away
15. 1.98km S of Redlands, CAFri, Dec 9, 6:22 AM PST · 15630 days ago · 16 km deep · 92 km away
16. 1.717km S of Malibu Beach, CASat, Dec 10, 8:07 AM PST · 15629 days ago · 5 km deep · 62 km away
17. 1.64km S of Loma Linda, CASun, Dec 11, 3:37 AM PST · 15628 days ago · 7 km deep · 85 km away
18. 2.09km WNW of Castaic, CAMon, Dec 12, 2:02 PM PST · 15627 days ago · 11 km deep · 61 km away
19. 2.23km ENE of Montebello, CAWed, Dec 14, 5:04 PM PST · 15624 days ago · 4 km deep · 23 km away
20. 2.17km NW of Crestline, CAFri, Dec 16, 12:55 PM PST · 15623 days ago · 1 km deep · 74 km away
21. 2.02km NW of Loma Linda, CAFri, Dec 16, 1:40 PM PST · 15623 days ago · 15 km deep · 82 km away
22. 2.18km NW of Crestline, CAFri, Dec 16, 2:05 PM PST · 15623 days ago · 1 km deep · 74 km away
23. 1.82km SE of Anaheim, CASun, Dec 18, 4:10 AM PST · 15621 days ago · 9 km deep · 51 km away
24. 1.83km SSE of Anaheim, CASun, Dec 18, 4:13 AM PST · 15621 days ago · 9 km deep · 51 km away
25. 2.12km NW of Orange, CASun, Dec 18, 5:11 AM PST · 15621 days ago · 5 km deep · 52 km away
26. 1.711km NNE of Lake Arrowhead, CASun, Dec 18, 7:28 AM PST · 15621 days ago · 6 km deep · 95 km away
27. 2.43km SE of Anaheim, CAMon, Dec 19, 7:18 AM PST · 15620 days ago · 8 km deep · 51 km away
28. 2.25km WNW of Wrightwood, CAMon, Dec 19, 9:06 AM PST · 15620 days ago · 5 km deep · 47 km away
29. 1.51km ESE of San Marino, CAMon, Dec 19, 8:28 PM PST · 15619 days ago · 5 km deep · 12 km away
30. 2.12km N of Corona, CATue, Dec 20, 2:10 AM PST · 15619 days ago · 8 km deep · 65 km away
31. 2.42km N of Corona, CATue, Dec 20, 2:11 AM PST · 15619 days ago · 5 km deep · 65 km away
32. 1.53km ENE of Montebello, CAWed, Dec 21, 4:00 AM PST · 15618 days ago · 4 km deep · 23 km away
33. 1.62km NNE of Fontana, CAWed, Dec 21, 2:55 PM PST · 15618 days ago · 6 km deep · 65 km away
34. 1.817km E of Grapevine, CAWed, Dec 21, 5:39 PM PST · 15617 days ago · 6 km deep · 99 km away
35. 2.526km SSE of Malibu, CAWed, Dec 21, 10:35 PM PST · 15617 days ago · 5 km deep · 68 km away
36. 2.32km SSW of San Dimas, CAWed, Dec 21, 11:56 PM PST · 15617 days ago · 12 km deep · 34 km away
37. 2.45km SE of Loma Linda, CAThu, Dec 22, 5:53 PM PST · 15616 days ago · 11 km deep · 89 km away
38. 1.61km SE of Phelan, CAThu, Dec 22, 11:42 PM PST · 15616 days ago · 6 km deep · 59 km away
39. 1.88km S of Lytle Creek, CAFri, Dec 23, 9:51 AM PST · 15616 days ago · 5 km deep · 59 km away
40. 1.816km SW of Wrightwood, CAFri, Dec 23, 2:12 PM PST · 15616 days ago · 5 km deep · 39 km away
41. 1.82km SSE of Loma Linda, CASat, Dec 24, 5:57 AM PST · 15615 days ago · 5 km deep · 86 km away
42. 2.310km W of Corona, CASun, Dec 25, 9:39 AM PST · 15614 days ago · 5 km deep · 58 km away
43. 1.60km SSE of Inglewood, CASun, Dec 25, 6:53 PM PST · 15613 days ago · 5 km deep · 34 km away
44. 2.93km WSW of Rancho Cucamonga, CAMon, Dec 26, 7:46 AM PST · 15613 days ago · 6 km deep · 51 km away
45. 2.40km ENE of Loma Linda, CATue, Dec 27, 1:09 PM PST · 15612 days ago · 16 km deep · 85 km away
46. 2.02km NW of Muscoy, CAWed, Dec 28, 2:37 AM PST · 15611 days ago · 8 km deep · 74 km away
47. 3.62km NNW of Muscoy, CAThu, Dec 29, 11:46 AM PST · 15610 days ago · 7 km deep · 74 km away
48. 2.92km NW of Muscoy, CAThu, Dec 29, 11:49 AM PST · 15610 days ago · 5 km deep · 73 km away
49. 2.92km N of Muscoy, CAThu, Dec 29, 11:50 AM PST · 15610 days ago · 7 km deep · 74 km away
50. 2.12km NW of Muscoy, CAThu, Dec 29, 12:18 PM PST · 15610 days ago · 5 km deep · 73 km away
51. 1.61km NW of Muscoy, CAThu, Dec 29, 12:31 PM PST · 15610 days ago · 3 km deep · 74 km away
52. 2.32km N of Muscoy, CAThu, Dec 29, 12:38 PM PST · 15610 days ago · 7 km deep · 74 km away
53. 1.81km NW of Muscoy, CAThu, Dec 29, 3:53 PM PST · 15610 days ago · 2 km deep · 74 km away
54. 2.22km NW of Muscoy, CAThu, Dec 29, 4:47 PM PST · 15609 days ago · 7 km deep · 73 km away
55. 2.92km NNW of Muscoy, CAThu, Dec 29, 5:51 PM PST · 15609 days ago · 4 km deep · 74 km away
56. 1.73km NW of Muscoy, CAThu, Dec 29, 7:55 PM PST · 15609 days ago · 6 km deep · 73 km away
57. 1.73km NW of Muscoy, CAThu, Dec 29, 8:17 PM PST · 15609 days ago · 7 km deep · 72 km away
58. 1.61km NNW of Muscoy, CAFri, Dec 30, 2:02 AM PST · 15609 days ago · 2 km deep · 74 km away
59. 1.82km NNE of Lakewood, CAFri, Dec 30, 5:04 AM PST · 15609 days ago · 5 km deep · 38 km away
60. 1.91km ENE of Loma Linda, CASat, Dec 31, 4:25 PM PST · 15607 days ago · 13 km deep · 85 km away

The first 60 of 106.

Before

1. 1.93km N of Fontana, CAThu, Nov 24, 6:55 AM PST · 15645 days ago · 8 km deep · 65 km away
2. 1.53km NNE of Fontana, CAWed, Nov 23, 7:16 PM PST · 15645 days ago · 10 km deep · 66 km away
3. 2.85km WNW of Santa Monica, CAWed, Nov 23, 4:01 AM PST · 15646 days ago · 12 km deep · 42 km away
4. 2.42km SW of San Juan Capistrano, CATue, Nov 22, 9:51 PM PST · 15646 days ago · 6 km deep · 91 km away
5. 1.67km SSW of Redlands, CATue, Nov 22, 9:08 PM PST · 15646 days ago · 16 km deep · 90 km away
6. 1.54km SE of Rancho Cucamonga, CASun, Nov 20, 10:17 AM PST · 15649 days ago · 15 km deep · 57 km away
7. 1.87km NNE of Crestline, CASat, Nov 19, 6:48 PM PST · 15649 days ago · 8 km deep · 83 km away
8. 2.93km ESE of Loma Linda, CASat, Nov 19, 1:44 PM PST · 15650 days ago · 15 km deep · 87 km away
9. 1.62km ESE of Loma Linda, CASat, Nov 19, 4:21 AM PST · 15650 days ago · 16 km deep · 87 km away
10. 2.019km W of Rancho Palos Verdes, CAFri, Nov 18, 6:02 PM PST · 15650 days ago · 5 km deep · 65 km away
11. 3.16km SSW of Redlands, CAFri, Nov 18, 1:55 AM PST · 15651 days ago · 14 km deep · 90 km away
12. 1.96km S of Redlands, CAThu, Nov 17, 5:31 PM PST · 15651 days ago · 14 km deep · 92 km away
13. 1.76km SSW of Redlands, CAThu, Nov 17, 2:10 PM PST · 15652 days ago · 15 km deep · 90 km away
14. 1.92km NW of Highland, CAThu, Nov 17, 2:56 AM PST · 15652 days ago · 3 km deep · 86 km away
15. 1.82km NW of Highland, CAThu, Nov 17, 2:30 AM PST · 15652 days ago · 5 km deep · 86 km away
16. 1.62km S of Devore, CAWed, Nov 16, 5:16 PM PST · 15652 days ago · 12 km deep · 69 km away
17. 1.74km W of Huntington Beach, CAWed, Nov 16, 12:02 AM PST · 15653 days ago · 5 km deep · 59 km away
18. 2.16km WNW of Castaic, CATue, Nov 15, 9:56 AM PST · 15654 days ago · 15 km deep · 59 km away
19. 1.911km NNE of Lake Arrowhead, CAMon, Nov 14, 10:52 PM PST · 15654 days ago · 8 km deep · 95 km away
20. 2.13km ENE of Loma Linda, CAMon, Nov 14, 2:32 PM PST · 15655 days ago · 5 km deep · 86 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci25321. Read Thu, Sep 24, 2026, 11:29 AM UTC.