M2.3 earthquake 4km SW of Devore, CA

Magnitude

2.3 (ml), micro

Local time

Fri, Dec 16, 1977, 12:57 AM PST

UTC

1977-12-16 08:57:18 UTC

Depth

9.2 km (5.7 mi), shallow

Epicenter

34.200° N, 117.436° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

66°

Stations used

28

• Lytle Creek, CaliforniaPopulation 701. Forecast9 kmSE
• Muscoy, CaliforniaPopulation 10,644. Forecast10 kmWNW
• Fontana, CaliforniaPopulation 212,704. Forecast12 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast76 kmENE

After

1. 1.74km NE of Lake Arrowhead, CATue, Jan 3, 5:59 PM PST · 17794 days ago · 9 km deep · 27 km away
2. 1.67km NNW of Pacoima, CAWed, Jan 4, 9:12 AM PST · 17793 days ago · 2 km deep · 97 km away
3. 2.78km ESE of Santa Clarita, CAWed, Jan 4, 12:50 PM PST · 17793 days ago · 6 km deep · 94 km away
4. 1.59km SSW of Agua Dulce, CAWed, Jan 4, 8:02 PM PST · 17793 days ago · 11 km deep · 87 km away
5. 1.76km ESE of Valle Vista, CAThu, Jan 5, 6:09 PM PST · 17792 days ago · 16 km deep · 77 km away
6. 1.68km ENE of Moreno Valley, CAFri, Jan 6, 4:57 AM PST · 17791 days ago · 16 km deep · 39 km away
7. 1.87km ESE of Santa Clarita, CASat, Jan 7, 8:43 PM PST · 17789 days ago · 2 km deep · 95 km away
8. 2.07km ESE of Santa Clarita, CASat, Jan 7, 9:07 PM PST · 17789 days ago · 8 km deep · 94 km away
9. 2.02km E of San Jacinto, CASun, Jan 8, 12:39 AM PST · 17789 days ago · 5 km deep · 65 km away
10. 2.07km ESE of Santa Clarita, CASun, Jan 8, 12:10 PM PST · 17789 days ago · 7 km deep · 94 km away
11. 1.65km SSW of Redlands, CASun, Jan 8, 9:06 PM PST · 17788 days ago · 15 km deep · 30 km away
12. 1.64km ESE of Loma Linda, CAMon, Jan 9, 2:41 AM PST · 17788 days ago · 17 km deep · 27 km away
13. 2.27km ESE of Santa Clarita, CAMon, Jan 9, 11:53 AM PST · 17788 days ago · 7 km deep · 94 km away
14. 2.511km SW of Morongo Valley, CAMon, Jan 9, 11:54 AM PST · 17788 days ago · 17 km deep · 74 km away
15. 1.62km S of Colton, CAMon, Jan 9, 3:32 PM PST · 17788 days ago · 1 km deep · 19 km away
16. 2.510km E of Santa Clarita, CATue, Jan 10, 11:39 AM PST · 17787 days ago · 10 km deep · 92 km away
17. 1.81km WNW of Yucaipa, CATue, Jan 10, 4:17 PM PST · 17787 days ago · 3 km deep · 39 km away
18. 2.09km W of Anza, CATue, Jan 10, 7:31 PM PST · 17787 days ago · 5 km deep · 95 km away
19. 2.710km SSW of Idyllwild, CAWed, Jan 11, 2:33 AM PST · 17786 days ago · 11 km deep · 86 km away
20. 1.510km S of Idyllwild, CAWed, Jan 11, 8:36 PM PST · 17785 days ago · 14 km deep · 89 km away
21. 2.09km SSE of Redlands, CAFri, Jan 13, 9:56 AM PST · 17784 days ago · 9 km deep · 36 km away
22. 1.610km N of Victorville, CAFri, Jan 13, 2:29 PM PST · 17784 days ago · 5 km deep · 49 km away
23. 1.62km N of Loma Linda, CAFri, Jan 13, 3:12 PM PST · 17784 days ago · 6 km deep · 22 km away
24. 2.63km SSE of Loma Linda, CAFri, Jan 13, 6:33 PM PST · 17784 days ago · 9 km deep · 26 km away
25. 1.75km E of Calimesa, CAFri, Jan 13, 9:07 PM PST · 17783 days ago · 9 km deep · 46 km away
26. 1.85km E of Calimesa, CAFri, Jan 13, 9:08 PM PST · 17783 days ago · 8 km deep · 46 km away
27. 1.711km NNE of Cabazon, CASat, Jan 14, 6:00 AM PST · 17783 days ago · 20 km deep · 69 km away
28. 1.87km ENE of Running Springs, CASun, Jan 15, 5:11 AM PST · 17782 days ago · 3 km deep · 37 km away
29. 1.69km SSE of Wrightwood, CASun, Jan 15, 5:04 PM PST · 17782 days ago · 5 km deep · 18 km away
30. 1.65km SW of Cabazon, CATue, Jan 17, 12:19 AM PST · 17780 days ago · 17 km deep · 67 km away
31. 2.08km N of Lake Arrowhead, CATue, Jan 17, 3:18 PM PST · 17780 days ago · 3 km deep · 27 km away
32. 1.59km NW of San Jacinto, CAWed, Jan 18, 12:11 AM PST · 17779 days ago · 15 km deep · 55 km away
33. 1.58km WNW of San Jacinto, CAWed, Jan 18, 12:13 AM PST · 17779 days ago · 15 km deep · 56 km away
34. 1.54km N of Pacoima, CAWed, Jan 18, 11:50 AM PST · 17779 days ago · 0 km deep · 93 km away
35. 1.59km N of Cabazon, CAWed, Jan 18, 2:20 PM PST · 17779 days ago · 13 km deep · 63 km away
36. 2.53km SE of Redlands, CAWed, Jan 18, 2:57 PM PST · 17779 days ago · 14 km deep · 31 km away
37. 2.28km NNW of Anza, CAWed, Jan 18, 4:55 PM PST · 17779 days ago · 13 km deep · 92 km away
38. 2.27km SW of Idyllwild, CAThu, Jan 19, 3:27 AM PST · 17778 days ago · 16 km deep · 82 km away
39. 1.76km S of Idyllwild, CAThu, Jan 19, 9:24 AM PST · 17778 days ago · 16 km deep · 87 km away
40. 2.05km ESE of Ladera Ranch, CAThu, Jan 19, 12:30 PM PST · 17778 days ago · 1 km deep · 73 km away
41. 2.311km SW of Corona, CAThu, Jan 19, 8:55 PM PST · 17777 days ago · 1 km deep · 48 km away
42. 1.912km WNW of Garnet, CAFri, Jan 20, 12:46 AM PST · 17777 days ago · 12 km deep · 77 km away
43. 1.812km WNW of Garnet, CAFri, Jan 20, 6:09 AM PST · 17777 days ago · 10 km deep · 77 km away
44. 1.98km NE of Yucca Valley, CASat, Jan 21, 2:05 AM PST · 17776 days ago · 1 km deep · 97 km away
45. 1.95km ENE of Yucaipa, CASat, Jan 21, 2:21 AM PST · 17776 days ago · 11 km deep · 44 km away
46. 1.93km ESE of Yucaipa, CASat, Jan 21, 4:04 AM PST · 17776 days ago · 18 km deep · 43 km away
47. 1.88km WNW of Joshua Tree, CASat, Jan 21, 5:29 AM PST · 17776 days ago · 4 km deep · 97 km away
48. 1.67km WNW of Joshua Tree, CASat, Jan 21, 6:17 AM PST · 17776 days ago · 3 km deep · 97 km away
49. 2.25km NW of San Jacinto, CASat, Jan 21, 6:43 AM PST · 17776 days ago · 12 km deep · 59 km away
50. 2.47km NE of Yucca Valley, CASat, Jan 21, 7:56 AM PST · 17776 days ago · 4 km deep · 97 km away
51. 1.67km NE of Yucca Valley, CASat, Jan 21, 8:00 AM PST · 17776 days ago · 5 km deep · 97 km away
52. 2.17km NE of Yucca Valley, CASat, Jan 21, 9:32 AM PST · 17776 days ago · 1 km deep · 97 km away
53. 1.67km WNW of Joshua Tree, CASat, Jan 21, 10:12 AM PST · 17776 days ago · 6 km deep · 97 km away
54. 1.512km NE of Cabazon, CASat, Jan 21, 1:51 PM PST · 17776 days ago · 14 km deep · 72 km away
55. 2.510km E of Santa Clarita, CASat, Jan 21, 3:05 PM PST · 17776 days ago · 6 km deep · 92 km away
56. 2.09km NE of Aguanga, CASat, Jan 21, 4:18 PM PST · 17776 days ago · 5 km deep · 98 km away
57. 2.27km NE of Yucca Valley, CASat, Jan 21, 9:54 PM PST · 17775 days ago · 0 km deep · 97 km away
58. 1.87km WNW of Joshua Tree, CASun, Jan 22, 4:04 AM PST · 17775 days ago · 1 km deep · 97 km away
59. 1.98km NE of Yucca Valley, CASun, Jan 22, 4:04 AM PST · 17775 days ago · 6 km deep · 97 km away
60. 2.06km NE of Yucca Valley, CASun, Jan 22, 5:33 AM PST · 17775 days ago · 1 km deep · 97 km away

The first 60 of 144.

From the USGS Earthquake Hazards Program and its partner networks, event ci3336946. Read Tue, Sep 22, 2026, 3:53 PM UTC.