M1.5 earthquake 7km WSW of Big Bear Lake, CA

Magnitude

1.5 (mh), micro

Local time

Tue, Oct 25, 1977, 6:16 AM PDT

UTC

1977-10-25 13:16:43 UTC

Depth

9.7 km (6.0 mi), shallow

Epicenter

34.218° N, 116.982° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.9 km in depth

Depth from

From location

Station coverage gap

70°

Stations used

10

• Big Bear Lake, CaliforniaPopulation 5,213. Forecast7 kmWSW
• Big Bear City, CaliforniaPopulation 12,304. Forecast14 kmWSW
• San Bernardino, CaliforniaPopulation 216,108. Forecast31 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast118 kmE

After

1. 2.57km S of Morongo Valley, CAFri, Oct 28, 9:00 AM PDT · 17861 days ago · 10 km deep · 45 km away
2. 1.77km S of Morongo Valley, CAFri, Oct 28, 9:04 AM PDT · 17861 days ago · 11 km deep · 45 km away
3. 1.811km SE of Anza, CASat, Oct 29, 7:35 AM PDT · 17860 days ago · 9 km deep · 90 km away
4. 1.510km NNE of Cabazon, CASat, Oct 29, 8:41 PM PDT · 17859 days ago · 16 km deep · 34 km away
5. 3.016km NNW of Yucca Valley, CASat, Oct 29, 11:31 PM PDT · 17859 days ago · 8 km deep · 45 km away
6. 1.610km NNE of Yucaipa, CASun, Oct 30, 1:43 AM PDT · 17859 days ago · 4 km deep · 11 km away
7. 1.57km W of Desert Hot Springs, CASun, Oct 30, 4:48 AM PST · 17859 days ago · 9 km deep · 47 km away
8. 1.710km NNE of Running Springs, CASun, Oct 30, 4:44 PM PST · 17858 days ago · 10 km deep · 11 km away
9. 1.616km NNW of Yucca Valley, CASun, Oct 30, 6:25 PM PST · 17858 days ago · 10 km deep · 46 km away
10. 1.519km SSE of Joshua Tree, CATue, Nov 1, 6:39 PM PST · 17856 days ago · 6 km deep · 74 km away
11. 2.019km ESE of Anza, CAWed, Nov 2, 12:24 AM PST · 17856 days ago · 11 km deep · 95 km away
12. 1.716km SE of Big Bear City, CAWed, Nov 2, 3:02 AM PST · 17856 days ago · 4 km deep · 24 km away
13. 2.016km NNW of Yucca Valley, CAWed, Nov 2, 3:10 AM PST · 17856 days ago · 9 km deep · 46 km away
14. 1.512km NNE of Cabazon, CAWed, Nov 2, 5:38 AM PST · 17856 days ago · 11 km deep · 32 km away
15. 1.910km NE of Desert Hot Springs, CAWed, Nov 2, 8:56 AM PST · 17856 days ago · 1 km deep · 57 km away
16. 2.311km WNW of Big Bear Lake, CAThu, Nov 3, 7:27 PM PST · 17854 days ago · 7 km deep · 9 km away
17. 1.811km NW of Big Bear Lake, CAThu, Nov 3, 8:17 PM PST · 17854 days ago · 8 km deep · 10 km away
18. 2.48km SW of Morongo Valley, CAFri, Nov 4, 4:14 AM PST · 17854 days ago · 14 km deep · 41 km away
19. 1.810km NNW of Big Bear City, CAFri, Nov 4, 2:17 PM PST · 17853 days ago · 1 km deep · 17 km away
20. 2.110km SSW of Idyllwild, CAFri, Nov 4, 3:18 PM PST · 17853 days ago · 13 km deep · 66 km away
21. 1.54km NW of Calimesa, CASat, Nov 5, 7:45 AM PST · 17853 days ago · 16 km deep · 24 km away
22. 1.61km SW of Yorba Linda, CASun, Nov 6, 3:31 PM PST · 17851 days ago · 11 km deep · 86 km away
23. 2.715km ESE of Anza, CASun, Nov 6, 10:50 PM PST · 17851 days ago · 7 km deep · 90 km away
24. 1.811km SE of Anza, CAMon, Nov 7, 3:26 AM PST · 17851 days ago · 6 km deep · 90 km away
25. 3.31km ESE of Fullerton, CATue, Nov 8, 2:52 AM PST · 17850 days ago · 8 km deep · 94 km away
26. 1.92km SSE of Brea, CATue, Nov 8, 3:33 AM PST · 17850 days ago · 12 km deep · 91 km away
27. 1.56km N of Beaumont, CATue, Nov 8, 4:33 AM PST · 17850 days ago · 15 km deep · 26 km away
28. 1.76km NE of Morongo Valley, CATue, Nov 8, 8:15 PM PST · 17849 days ago · 6 km deep · 43 km away
29. 2.09km N of Big Bear Lake, CAWed, Nov 9, 11:57 AM PST · 17849 days ago · 2 km deep · 13 km away
30. 1.811km NNE of Cabazon, CAThu, Nov 10, 3:02 AM PST · 17848 days ago · 11 km deep · 30 km away
31. 2.117km SSE of Joshua Tree, CAThu, Nov 10, 5:29 AM PST · 17848 days ago · 0 km deep · 71 km away
32. 1.72km WNW of Fontana, CAThu, Nov 10, 11:31 AM PST · 17848 days ago · 7 km deep · 47 km away
33. 2.05km S of Morongo Valley, CAFri, Nov 11, 6:19 AM PST · 17847 days ago · 9 km deep · 44 km away
34. 1.95km S of Morongo Valley, CAFri, Nov 11, 6:19 AM PST · 17847 days ago · 11 km deep · 44 km away
35. 1.88km WSW of Aguanga, CAFri, Nov 11, 5:29 PM PST · 17846 days ago · 5 km deep · 90 km away
36. 2.935km SSE of Fort Irwin, CAFri, Nov 11, 9:09 PM PST · 17846 days ago · 0 km deep · 92 km away
37. 2.46km NE of Lake Arrowhead, CASat, Nov 12, 2:37 AM PST · 17846 days ago · 4 km deep · 16 km away
38. 1.96km NE of Lake Arrowhead, CASat, Nov 12, 2:39 AM PST · 17846 days ago · 5 km deep · 16 km away
39. 2.728km N of Adelanto, CASat, Nov 12, 3:55 AM PST · 17846 days ago · 6 km deep · 79 km away
40. 1.514km ESE of Anza, CASat, Nov 12, 3:09 PM PST · 17845 days ago · 11 km deep · 88 km away
41. 2.16km SW of Idyllwild, CASun, Nov 13, 12:18 PM PST · 17845 days ago · 16 km deep · 61 km away
42. 1.519km NNW of Joshua Tree, CASun, Nov 13, 2:59 PM PST · 17844 days ago · 1 km deep · 58 km away
43. 1.67km ENE of Villa Park, CASun, Nov 13, 5:50 PM PST · 17844 days ago · 3 km deep · 81 km away
44. 2.311km SW of Lucerne Valley, CAMon, Nov 14, 12:15 PM PST · 17844 days ago · 3 km deep · 18 km away
45. 2.617km NNW of Yucca Valley, CATue, Nov 15, 3:51 AM PST · 17843 days ago · 2 km deep · 43 km away
46. 1.618km NNW of Yucca Valley, CATue, Nov 15, 9:40 AM PST · 17843 days ago · 3 km deep · 43 km away
47. 1.811km SE of Anza, CATue, Nov 15, 3:24 PM PST · 17842 days ago · 9 km deep · 90 km away
48. 1.618km NNW of Yucca Valley, CATue, Nov 15, 7:21 PM PST · 17842 days ago · 3 km deep · 43 km away
49. 1.63km N of Big Bear City, CAThu, Nov 17, 2:50 AM PST · 17841 days ago · 8 km deep · 15 km away
50. 1.811km NNE of Cabazon, CAThu, Nov 17, 4:27 AM PST · 17841 days ago · 13 km deep · 33 km away
51. 1.818km NNW of Yucca Valley, CAThu, Nov 17, 7:14 AM PST · 17841 days ago · 2 km deep · 43 km away
52. 1.62km E of Placentia, CAThu, Nov 17, 3:11 PM PST · 17840 days ago · 10 km deep · 88 km away
53. 1.810km SW of Lucerne Valley, CAFri, Nov 18, 5:12 AM PST · 17840 days ago · 2 km deep · 19 km away
54. 2.310km SW of Lucerne Valley, CAFri, Nov 18, 5:36 AM PST · 17840 days ago · 1 km deep · 19 km away
55. 1.810km SW of Lucerne Valley, CAFri, Nov 18, 5:47 AM PST · 17840 days ago · 2 km deep · 19 km away
56. 1.510km SW of Lucerne Valley, CAFri, Nov 18, 6:44 AM PST · 17840 days ago · 4 km deep · 19 km away
57. 2.63km SSE of Devore, CAFri, Nov 18, 10:32 AM PST · 17840 days ago · 9 km deep · 38 km away
58. 1.610km SW of Lucerne Valley, CAFri, Nov 18, 8:12 PM PST · 17839 days ago · 5 km deep · 20 km away
59. 2.516km NNE of Indio, CASat, Nov 19, 11:26 AM PST · 17839 days ago · 0 km deep · 85 km away
60. 2.621km NE of Warner Springs, CASat, Nov 19, 4:35 PM PST · 17838 days ago · 11 km deep · 98 km away

The first 60 of 149.

From the USGS Earthquake Hazards Program and its partner networks, event ci3335607. Read Tue, Sep 22, 2026, 8:20 AM UTC.