M1.8 earthquake 2km SE of Colton, CA

Magnitude

1.8 (mc), micro

Local time

Wed, Jul 28, 1982, 3:52 AM PDT

UTC

1982-07-28 10:52:58 UTC

Depth

14.3 km (8.9 mi), shallow

Epicenter

34.061° N, 117.299° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

46°

Stations used

0

• Colton, CaliforniaPopulation 54,621. Forecast2 kmSE
• San Bernardino, CaliforniaPopulation 216,108. Forecast5 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast87 kmE

After

1. 1.95km SE of Loma Linda, CAWed, Jul 28, 12:00 PM PDT · 16127 days ago · 16 km deep · 8 km away
2. 1.67km ENE of Lake Arrowhead, CAWed, Jul 28, 1:47 PM PDT · 16127 days ago · 1 km deep · 29 km away
3. 1.81km NNE of Anza, CAThu, Jul 29, 4:55 AM PDT · 16126 days ago · 9 km deep · 80 km away
4. 1.92km ENE of Anza, CAFri, Jul 30, 7:07 PM PDT · 16125 days ago · 10 km deep · 81 km away
5. 1.78km NNE of Running Springs, CASat, Jul 31, 6:12 AM PDT · 16124 days ago · 2 km deep · 32 km away
6. 1.518km NW of Yucca Valley, CASat, Jul 31, 9:58 AM PDT · 16124 days ago · 7 km deep · 68 km away
7. 1.72km NW of San Bernardino, CASat, Jul 31, 1:49 PM PDT · 16124 days ago · 7 km deep · 9 km away
8. 2.13km SSE of Yorba Linda, CASat, Jul 31, 4:42 PM PDT · 16124 days ago · 7 km deep · 51 km away
9. 1.612km N of Big Bear City, CASun, Aug 1, 5:03 AM PDT · 16123 days ago · 3 km deep · 54 km away
10. 1.75km ENE of Cabazon, CAMon, Aug 2, 8:45 AM PDT · 16122 days ago · 16 km deep · 53 km away
11. 1.53km ENE of Anza, CATue, Aug 3, 4:50 AM PDT · 16121 days ago · 12 km deep · 81 km away
12. 1.66km SE of Ontario, CATue, Aug 3, 6:18 PM PDT · 16121 days ago · 5 km deep · 26 km away
13. 1.910km SSW of Idyllwild, CAWed, Aug 4, 2:09 PM PDT · 16120 days ago · 13 km deep · 65 km away
14. 1.613km NNE of Cabazon, CAWed, Aug 4, 2:32 PM PDT · 16120 days ago · 17 km deep · 53 km away
15. 2.618km ESE of Anza, CAWed, Aug 4, 5:56 PM PDT · 16120 days ago · 11 km deep · 97 km away
16. 2.04km ESE of Running Springs, CAThu, Aug 5, 3:37 AM PDT · 16119 days ago · 1 km deep · 26 km away
17. 1.74km SE of Running Springs, CAThu, Aug 5, 11:32 AM PDT · 16119 days ago · 0 km deep · 25 km away
18. 1.91km E of Anza, CAThu, Aug 5, 8:39 PM PDT · 16119 days ago · 7 km deep · 81 km away
19. 1.840km ENE of Lucerne Valley, CAFri, Aug 6, 4:16 PM PDT · 16118 days ago · 5 km deep · 86 km away
20. 2.38km NE of North Tustin, CASat, Aug 7, 6:33 PM PDT · 16117 days ago · 11 km deep · 48 km away
21. 2.09km E of Villa Park, CASat, Aug 7, 7:01 PM PDT · 16117 days ago · 10 km deep · 47 km away
22. 2.118km NW of Yucca Valley, CASat, Aug 7, 10:23 PM PDT · 16117 days ago · 7 km deep · 67 km away
23. 2.10km SSE of Anza, CASun, Aug 8, 3:12 AM PDT · 16116 days ago · 7 km deep · 81 km away
24. 1.62km SSE of Loma Linda, CASun, Aug 8, 8:04 AM PDT · 16116 days ago · 18 km deep · 5 km away
25. 2.21km SE of Anza, CASun, Aug 8, 12:06 PM PDT · 16116 days ago · 9 km deep · 81 km away
26. 1.95km W of Anza, CASun, Aug 8, 10:24 PM PDT · 16116 days ago · 3 km deep · 78 km away
27. 1.64km W of Anza, CAMon, Aug 9, 2:30 PM PDT · 16115 days ago · 4 km deep · 78 km away
28. 1.612km SE of Anza, CAMon, Aug 9, 2:38 PM PDT · 16115 days ago · 11 km deep · 93 km away
29. 1.99km SSE of Llano, CAMon, Aug 9, 4:18 PM PDT · 16115 days ago · 8 km deep · 57 km away
30. 2.29km SSE of Llano, CAMon, Aug 9, 4:27 PM PDT · 16115 days ago · 6 km deep · 57 km away
31. 1.536km NNW of Joshua Tree, CAMon, Aug 9, 4:53 PM PDT · 16115 days ago · 2 km deep · 90 km away
32. 2.07km WNW of San Jacinto, CAMon, Aug 9, 6:24 PM PDT · 16115 days ago · 13 km deep · 37 km away
33. 1.84km S of Anaheim, CATue, Aug 10, 12:41 AM PDT · 16115 days ago · 5 km deep · 62 km away
34. 1.97km SSW of Pearblossum, CATue, Aug 10, 7:17 AM PDT · 16114 days ago · 10 km deep · 73 km away
35. 1.95km NNW of Mira Loma, CATue, Aug 10, 6:35 PM PDT · 16114 days ago · 9 km deep · 22 km away
36. 2.13km S of Idyllwild, CATue, Aug 10, 11:19 PM PDT · 16114 days ago · 14 km deep · 66 km away
37. 1.921km ESE of Anza, CAWed, Aug 11, 7:08 AM PDT · 16113 days ago · 6 km deep · 99 km away
38. 1.921km SW of La Quinta, CAWed, Aug 11, 4:33 PM PDT · 16113 days ago · 7 km deep · 99 km away
39. 1.65km N of Moreno Valley, CAWed, Aug 11, 7:06 PM PDT · 16113 days ago · 12 km deep · 12 km away
40. 2.216km S of Joshua Tree, CAThu, Aug 12, 1:43 AM PDT · 16113 days ago · 2 km deep · 89 km away
41. 1.81km NE of Anza, CAThu, Aug 12, 2:15 AM PDT · 16113 days ago · 11 km deep · 81 km away
42. 2.04km NE of San Bernardino, CAThu, Aug 12, 4:26 AM PDT · 16112 days ago · 2 km deep · 11 km away
43. 2.14km NE of San Bernardino, CAThu, Aug 12, 4:32 AM PDT · 16112 days ago · 2 km deep · 11 km away
44. 2.121km ESE of Anza, CAThu, Aug 12, 6:32 AM PDT · 16112 days ago · 7 km deep · 100 km away
45. 2.87km SSW of Pearblossum, CAThu, Aug 12, 2:01 PM PDT · 16112 days ago · 10 km deep · 73 km away
46. 1.97km SSW of Littlerock, CAThu, Aug 12, 8:01 PM PDT · 16112 days ago · 8 km deep · 79 km away
47. 1.712km SE of Anza, CAThu, Aug 12, 10:15 PM PDT · 16112 days ago · 11 km deep · 93 km away
48. 1.69km SSW of Big Bear Lake, CAFri, Aug 13, 6:24 PM PDT · 16111 days ago · 11 km deep · 33 km away
49. 2.92km N of Muscoy, CAFri, Aug 13, 7:37 PM PDT · 16111 days ago · 4 km deep · 13 km away
50. 1.75km ENE of Banning, CASat, Aug 14, 2:41 AM PDT · 16110 days ago · 10 km deep · 45 km away
51. 2.211km SSE of San Pedro, CASat, Aug 14, 6:45 AM PDT · 16110 days ago · 9 km deep · 100 km away
52. 1.91km ENE of Anza, CASat, Aug 14, 8:40 AM PDT · 16110 days ago · 10 km deep · 81 km away
53. 1.712km E of Yucaipa, CASat, Aug 14, 11:08 AM PDT · 16110 days ago · 19 km deep · 36 km away
54. 1.71km WSW of Garnet, CASun, Aug 15, 2:50 PM PDT · 16109 days ago · 11 km deep · 71 km away
55. 2.50km SE of Anza, CASun, Aug 15, 7:12 PM PDT · 16109 days ago · 7 km deep · 81 km away
56. 1.814km SE of Anza, CASun, Aug 15, 9:29 PM PDT · 16109 days ago · 10 km deep · 95 km away
57. 1.52km NNE of Muscoy, CAMon, Aug 16, 5:03 AM PDT · 16108 days ago · 3 km deep · 13 km away
58. 1.92km N of Muscoy, CAMon, Aug 16, 11:42 AM PDT · 16108 days ago · 4 km deep · 13 km away
59. 2.07km S of Idyllwild, CAMon, Aug 16, 2:22 PM PDT · 16108 days ago · 15 km deep · 68 km away
60. 1.91km ENE of Anza, CAMon, Aug 16, 3:37 PM PDT · 16108 days ago · 8 km deep · 81 km away

The first 60 of 182.

Before

1. 1.92km NNE of Muscoy, CAWed, Jul 28, 2:01 AM PDT · 16128 days ago · 2 km deep · 13 km away
2. 1.76km SSW of Redlands, CAWed, Jul 28, 1:13 AM PDT · 16128 days ago · 14 km deep · 11 km away
3. 2.28km WSW of Corona, CATue, Jul 27, 2:29 AM PDT · 16128 days ago · 3 km deep · 40 km away
4. 1.838km SW of Ludlow, CATue, Jul 27, 1:24 AM PDT · 16129 days ago · 5 km deep · 89 km away
5. 2.01km ENE of Anza, CAMon, Jul 26, 6:03 PM PDT · 16129 days ago · 8 km deep · 81 km away
6. 2.513km ESE of Lucerne Valley, CAMon, Jul 26, 5:11 AM PDT · 16129 days ago · 6 km deep · 59 km away
7. 1.71km WNW of Fontana, CAMon, Jul 26, 4:36 AM PDT · 16129 days ago · 4 km deep · 16 km away
8. 1.71km E of Winchester, CASun, Jul 25, 6:47 PM PDT · 16130 days ago · 10 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci505808. Read Tue, Sep 22, 2026, 8:58 PM UTC.