M1.7 earthquake 3km ESE of Colton, CA

Magnitude

1.7 (mc), micro

Local time

Mon, May 6, 1985, 1:54 AM PDT

UTC

1985-05-06 08:54:22 UTC

Depth

14.2 km (8.8 mi), shallow

Epicenter

34.069° N, 117.286° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

117°

Stations used

0

• Colton, CaliforniaPopulation 54,621. Forecast3 kmESE
• San Bernardino, CaliforniaPopulation 216,108. Forecast4 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast88 kmE

After

1. 1.712km NNE of Idyllwild, CASat, Jun 8, 4:01 AM PDT · 15081 days ago · 7 km deep · 63 km away
2. 1.74km ENE of Calimesa, CASat, Jun 8, 5:15 AM PDT · 15081 days ago · 18 km deep · 26 km away
3. 1.84km SE of Yucaipa, CASat, Jun 8, 5:15 AM PDT · 15081 days ago · 18 km deep · 26 km away
4. 1.54km WNW of Anza, CASat, Jun 8, 7:43 AM PDT · 15081 days ago · 5 km deep · 77 km away
5. 1.812km N of Banning, CASun, Jun 9, 1:16 AM PDT · 15081 days ago · 17 km deep · 37 km away
6. 2.012km N of Banning, CASun, Jun 9, 1:16 AM PDT · 15081 days ago · 17 km deep · 37 km away
7. 1.810km N of Banning, CASun, Jun 9, 1:27 AM PDT · 15081 days ago · 5 km deep · 37 km away
8. 1.934km SW of Ludlow, CASun, Jun 9, 2:35 PM PDT · 15080 days ago · 5 km deep · 93 km away
9. 3.36km SSE of Big Bear City, CASun, Jun 9, 5:58 PM PDT · 15080 days ago · 9 km deep · 46 km away
10. 2.37km SSE of Big Bear City, CASun, Jun 9, 6:04 PM PDT · 15080 days ago · 6 km deep · 45 km away
11. 1.87km SSE of Big Bear City, CASun, Jun 9, 7:06 PM PDT · 15080 days ago · 4 km deep · 46 km away
12. 1.72km NE of Beaumont, CASun, Jun 9, 7:36 PM PDT · 15080 days ago · 12 km deep · 33 km away
13. 2.12km W of Big Bear City, CASun, Jun 9, 8:55 PM PDT · 15080 days ago · 8 km deep · 44 km away
14. 1.716km SE of Anza, CASun, Jun 9, 9:39 PM PDT · 15080 days ago · 12 km deep · 96 km away
15. 1.67km SSE of Big Bear City, CASun, Jun 9, 11:10 PM PDT · 15080 days ago · 7 km deep · 46 km away
16. 1.610km E of Yucaipa, CAMon, Jun 10, 1:31 AM PDT · 15080 days ago · 4 km deep · 32 km away
17. 1.83km NNW of Big Bear City, CAMon, Jun 10, 4:14 AM PDT · 15079 days ago · 9 km deep · 47 km away
18. 3.06km WNW of Lake Elsinore, CAMon, Jun 10, 5:50 AM PDT · 15079 days ago · 7 km deep · 43 km away
19. 1.77km SW of Idyllwild, CAMon, Jun 10, 8:34 AM PDT · 15079 days ago · 16 km deep · 63 km away
20. 1.613km SSE of Joshua Tree, CAMon, Jun 10, 10:09 AM PDT · 15079 days ago · 4 km deep · 95 km away
21. 2.57km SSE of Big Bear City, CAMon, Jun 10, 10:50 AM PDT · 15079 days ago · 8 km deep · 45 km away
22. 2.16km NNE of Yorba Linda, CAMon, Jun 10, 5:25 PM PDT · 15079 days ago · 12 km deep · 48 km away
23. 1.76km NE of Yorba Linda, CAMon, Jun 10, 5:31 PM PDT · 15079 days ago · 11 km deep · 47 km away
24. 1.85km WNW of Lake Henshaw, CAMon, Jun 10, 5:34 PM PDT · 15079 days ago · 12 km deep · 100 km away
25. 1.92km SSW of Loma Linda, CATue, Jun 11, 12:43 AM PDT · 15079 days ago · 15 km deep · 4 km away
26. 1.87km SSE of Big Bear City, CATue, Jun 11, 7:05 AM PDT · 15078 days ago · 4 km deep · 46 km away
27. 1.99km SSW of Idyllwild, CATue, Jun 11, 10:57 PM PDT · 15078 days ago · 12 km deep · 68 km away
28. 1.58km SW of Idyllwild, CAWed, Jun 12, 1:02 AM PDT · 15078 days ago · 16 km deep · 62 km away
29. 2.24km NNE of Fontana, CAWed, Jun 12, 5:07 AM PDT · 15077 days ago · 8 km deep · 16 km away
30. 1.67km ENE of Nuevo, CAWed, Jun 12, 6:48 AM PDT · 15077 days ago · 14 km deep · 34 km away
31. 1.52km ENE of Muscoy, CAThu, Jun 13, 12:55 AM PDT · 15077 days ago · 5 km deep · 11 km away
32. 1.87km SW of Pearblossum, CAThu, Jun 13, 10:36 AM PDT · 15076 days ago · 7 km deep · 75 km away
33. 1.63km NE of Menifee, CAThu, Jun 13, 3:43 PM PDT · 15076 days ago · 2 km deep · 39 km away
34. 1.89km N of Banning, CAFri, Jun 14, 11:56 AM PDT · 15075 days ago · 13 km deep · 40 km away
35. 2.03km SSW of San Bernardino, CAFri, Jun 14, 5:37 PM PDT · 15075 days ago · 5 km deep · 4 km away
36. 1.66km W of Desert Hot Springs, CAFri, Jun 14, 11:53 PM PDT · 15075 days ago · 5 km deep · 67 km away
37. 1.62km E of Cabazon, CASat, Jun 15, 2:35 AM PDT · 15074 days ago · 15 km deep · 50 km away
38. 1.97km ENE of Cabazon, CASat, Jun 15, 12:22 PM PDT · 15074 days ago · 13 km deep · 55 km away
39. 2.16km SE of Valle Vista, CASat, Jun 15, 12:35 PM PDT · 15074 days ago · 16 km deep · 57 km away
40. 2.01km N of Loma Linda, CASat, Jun 15, 1:09 PM PDT · 15074 days ago · 13 km deep · 3 km away
41. 1.91km N of Loma Linda, CASat, Jun 15, 1:18 PM PDT · 15074 days ago · 15 km deep · 2 km away
42. 1.81km ENE of Loma Linda, CASat, Jun 15, 9:25 PM PDT · 15074 days ago · 19 km deep · 4 km away
43. 2.43km S of San Dimas, CASat, Jun 15, 10:28 PM PDT · 15074 days ago · 10 km deep · 48 km away
44. 2.12km NNE of Huntington Beach, CASat, Jun 15, 10:55 PM PDT · 15074 days ago · 6 km deep · 77 km away
45. 1.71km NE of Loma Linda, CASun, Jun 16, 4:11 AM PDT · 15073 days ago · 11 km deep · 3 km away
46. 1.64km N of Aguanga, CASun, Jun 16, 4:34 AM PDT · 15073 days ago · 8 km deep · 76 km away
47. 1.912km W of Anza, CASun, Jun 16, 7:03 AM PDT · 15073 days ago · 2 km deep · 74 km away
48. 2.07km SSE of Big Bear City, CASun, Jun 16, 9:39 AM PDT · 15073 days ago · 8 km deep · 46 km away
49. 2.111km S of Idyllwild, CASun, Jun 16, 2:27 PM PDT · 15073 days ago · 13 km deep · 69 km away
50. 1.810km SW of Idyllwild, CASun, Jun 16, 5:40 PM PDT · 15073 days ago · 10 km deep · 63 km away
51. 1.810km S of Cabazon, CASun, Jun 16, 8:40 PM PDT · 15073 days ago · 13 km deep · 55 km away
52. 1.610km W of Anza, CASun, Jun 16, 10:29 PM PDT · 15073 days ago · 3 km deep · 75 km away
53. 1.77km ESE of Valle Vista, CASun, Jun 16, 10:53 PM PDT · 15073 days ago · 14 km deep · 58 km away
54. 1.511km NW of Big Bear Lake, CAMon, Jun 17, 2:32 AM PDT · 15072 days ago · 10 km deep · 38 km away
55. 1.64km NW of Cabazon, CAMon, Jun 17, 2:43 AM PDT · 15072 days ago · 18 km deep · 45 km away
56. 1.85km SSW of Idyllwild, CAMon, Jun 17, 1:18 PM PDT · 15072 days ago · 14 km deep · 64 km away
57. 1.515km S of Anza, CATue, Jun 18, 6:31 AM PDT · 15071 days ago · 12 km deep · 91 km away
58. 1.712km ESE of Anza, CATue, Jun 18, 10:29 AM PDT · 15071 days ago · 12 km deep · 91 km away
59. 2.17km SSE of Big Bear City, CATue, Jun 18, 11:47 AM PDT · 15071 days ago · 10 km deep · 46 km away
60. 1.93km SW of San Bernardino, CAWed, Jun 19, 4:11 AM PDT · 15070 days ago · 1 km deep · 5 km away

The first 60 of 179.

From the USGS Earthquake Hazards Program and its partner networks, event ci65761. Read Tue, Sep 22, 2026, 8:51 PM UTC.