M2.1 earthquake 9km WNW of Corona, CA

Magnitude

2.1 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Jul 28, 1985, 12:56 PM PDT

UTC

1985-07-28 19:56:05 UTC

Depth

2.0 km (1.2 mi), shallow

Epicenter

33.902° N, 117.662° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

70°

Stations used

0

• Los Serranos, CaliforniaPopulation 7,099. Forecast9 kmSSE
• Corona, CaliforniaPopulation 164,226. Forecast9 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast56 kmESE

After

1. 1.68km S of Idyllwild, CAMon, Jul 29, 3:26 AM PDT · 15042 days ago · 14 km deep · 92 km away
2. 1.63km SSE of San Bernardino, CAMon, Jul 29, 6:17 PM PDT · 15042 days ago · 5 km deep · 42 km away
3. 1.75km SSE of Beaumont, CAMon, Jul 29, 9:38 PM PDT · 15042 days ago · 15 km deep · 66 km away
4. 1.711km WSW of Anza, CAMon, Jul 29, 10:15 PM PDT · 15042 days ago · 2 km deep · 91 km away
5. 2.011km N of Cabazon, CATue, Jul 30, 4:07 AM PDT · 15041 days ago · 14 km deep · 82 km away
6. 1.813km NW of Aguanga, CATue, Jul 30, 5:08 AM PDT · 15041 days ago · 12 km deep · 76 km away
7. 1.74km SSW of Morongo Valley, CATue, Jul 30, 7:34 AM PDT · 15041 days ago · 8 km deep · 98 km away
8. 1.511km W of Anza, CATue, Jul 30, 8:49 AM PDT · 15041 days ago · 3 km deep · 89 km away
9. 1.58km NE of San Jacinto, CATue, Jul 30, 4:46 PM PDT · 15041 days ago · 11 km deep · 72 km away
10. 1.74km SSW of Idyllwild, CATue, Jul 30, 10:50 PM PDT · 15040 days ago · 16 km deep · 89 km away
11. 2.01km NW of Colton, CATue, Jul 30, 11:45 PM PDT · 15040 days ago · 15 km deep · 37 km away
12. 1.91km NE of Grand Terrace, CAWed, Jul 31, 3:14 AM PDT · 15040 days ago · 15 km deep · 36 km away
13. 2.22km E of Colton, CAWed, Jul 31, 3:39 AM PDT · 15040 days ago · 13 km deep · 40 km away
14. 2.311km W of Anza, CAWed, Jul 31, 9:34 AM PDT · 15040 days ago · 4 km deep · 90 km away
15. 2.112km W of Anza, CAWed, Jul 31, 12:32 PM PDT · 15040 days ago · 2 km deep · 89 km away
16. 1.510km WSW of Anza, CAWed, Jul 31, 3:58 PM PDT · 15040 days ago · 2 km deep · 91 km away
17. 1.811km W of Anza, CAWed, Jul 31, 5:06 PM PDT · 15040 days ago · 2 km deep · 89 km away
18. 2.09km NE of Aguanga, CAWed, Jul 31, 11:18 PM PDT · 15039 days ago · 1 km deep · 91 km away
19. 2.526km SSW of Dana Point, CAThu, Aug 1, 4:14 AM PDT · 15039 days ago · 6 km deep · 74 km away
20. 1.99km NE of Aguanga, CAThu, Aug 1, 11:08 AM PDT · 15039 days ago · 3 km deep · 92 km away
21. 1.89km SSW of Idyllwild, CAThu, Aug 1, 3:19 PM PDT · 15039 days ago · 11 km deep · 88 km away
22. 1.69km SSW of Idyllwild, CAThu, Aug 1, 11:47 PM PDT · 15038 days ago · 11 km deep · 88 km away
23. 1.813km NNE of Cabazon, CAFri, Aug 2, 3:55 AM PDT · 15038 days ago · 14 km deep · 86 km away
24. 1.85km SSW of Redlands, CAFri, Aug 2, 4:24 AM PDT · 15038 days ago · 12 km deep · 44 km away
25. 1.510km NE of Aguanga, CAFri, Aug 2, 6:33 PM PDT · 15038 days ago · 4 km deep · 94 km away
26. 2.13km W of Palomar Observatory, CAFri, Aug 2, 11:44 PM PDT · 15037 days ago · 4 km deep · 93 km away
27. 2.13km ESE of Cabazon, CASat, Aug 3, 3:36 AM PDT · 15037 days ago · 17 km deep · 84 km away
28. 1.84km ESE of Cabazon, CASat, Aug 3, 3:36 AM PDT · 15037 days ago · 16 km deep · 84 km away
29. 2.24km SSE of Redlands, CASat, Aug 3, 9:00 AM PDT · 15037 days ago · 16 km deep · 47 km away
30. 1.99km NW of San Jacinto, CASat, Aug 3, 11:46 AM PDT · 15037 days ago · 12 km deep · 58 km away
31. 2.21km N of Loma Linda, CASat, Aug 3, 2:01 PM PDT · 15037 days ago · 13 km deep · 41 km away
32. 1.77km S of Idyllwild, CASat, Aug 3, 4:50 PM PDT · 15037 days ago · 14 km deep · 89 km away
33. 2.611km NE of Cabazon, CASat, Aug 3, 10:03 PM PDT · 15037 days ago · 12 km deep · 89 km away
34. 1.79km SSW of Idyllwild, CASun, Aug 4, 3:10 AM PDT · 15036 days ago · 11 km deep · 88 km away
35. 2.010km WSW of Anza, CASun, Aug 4, 5:49 AM PDT · 15036 days ago · 2 km deep · 92 km away
36. 1.93km N of Beaumont, CASun, Aug 4, 3:12 PM PDT · 15036 days ago · 14 km deep · 64 km away
37. 3.18km NE of Banning, CAMon, Aug 5, 9:08 AM PDT · 15035 days ago · 18 km deep · 78 km away
38. 1.810km WSW of Anza, CATue, Aug 6, 2:26 AM PDT · 15034 days ago · 4 km deep · 92 km away
39. 1.611km NE of Aguanga, CATue, Aug 6, 10:57 PM PDT · 15033 days ago · -1 km deep · 91 km away
40. 1.88km SE of Winchester, CATue, Aug 6, 11:32 PM PDT · 15033 days ago · 10 km deep · 65 km away
41. 1.611km W of Anza, CAWed, Aug 7, 5:14 AM PDT · 15033 days ago · 3 km deep · 89 km away
42. 1.811km W of Anza, CAWed, Aug 7, 1:57 PM PDT · 15033 days ago · 4 km deep · 89 km away
43. 2.010km WSW of Anza, CAWed, Aug 7, 3:17 PM PDT · 15033 days ago · 4 km deep · 91 km away
44. 1.910km W of Anza, CAWed, Aug 7, 5:17 PM PDT · 15033 days ago · 4 km deep · 90 km away
45. 1.68km E of Big Bear City, CAWed, Aug 7, 9:38 PM PDT · 15033 days ago · 11 km deep · 92 km away
46. 2.112km NNE of Trabuco Canyon, CAWed, Aug 7, 11:29 PM PDT · 15032 days ago · 6 km deep · 21 km away
47. 1.69km S of Idyllwild, CAThu, Aug 8, 2:35 AM PDT · 15032 days ago · 13 km deep · 90 km away
48. 1.98km SE of Big Bear Lake, CAFri, Aug 9, 1:40 AM PDT · 15031 days ago · 11 km deep · 80 km away
49. 2.35km WSW of Anza, CAFri, Aug 9, 3:53 PM PDT · 15031 days ago · 2 km deep · 96 km away
50. 1.639km SSW of San Clemente, CAFri, Aug 9, 9:05 PM PDT · 15031 days ago · 5 km deep · 89 km away
51. 2.110km NE of Cabazon, CASat, Aug 10, 6:11 PM PDT · 15030 days ago · 14 km deep · 88 km away
52. 1.89km SSW of Idyllwild, CASat, Aug 10, 10:32 PM PDT · 15030 days ago · 10 km deep · 88 km away
53. 1.66km S of Idyllwild, CASun, Aug 11, 8:05 AM PDT · 15029 days ago · 13 km deep · 89 km away
54. 1.610km W of Anza, CASun, Aug 11, 1:20 PM PDT · 15029 days ago · 3 km deep · 91 km away
55. 2.311km ESE of Cabazon, CAMon, Aug 12, 8:55 AM PDT · 15028 days ago · 14 km deep · 91 km away
56. 3.546km WSW of Carlsbad, CAMon, Aug 12, 2:01 PM PDT · 15028 days ago · 5 km deep · 97 km away
57. 2.03km SE of Big Bear Lake, CAMon, Aug 12, 2:43 PM PDT · 15028 days ago · 7 km deep · 80 km away
58. 1.511km W of Anza, CATue, Aug 13, 2:01 AM PDT · 15027 days ago · 3 km deep · 89 km away
59. 1.67km NNE of Beaumont, CATue, Aug 13, 3:15 AM PDT · 15027 days ago · 17 km deep · 65 km away
60. 2.07km W of Anza, CATue, Aug 13, 6:28 PM PDT · 15027 days ago · 4 km deep · 92 km away

The first 60 of 156.

Before

1. 1.910km WSW of Anza, CASun, Jul 28, 6:34 AM PDT · 15043 days ago · 1 km deep · 92 km away
2. 1.68km E of Cabazon, CASun, Jul 28, 1:22 AM PDT · 15043 days ago · 15 km deep · 89 km away
3. 1.910km WNW of Morongo Valley, CASat, Jul 27, 7:58 PM PDT · 15044 days ago · 7 km deep · 93 km away
4. 1.66km WSW of Morongo Valley, CASat, Jul 27, 10:49 AM PDT · 15044 days ago · 10 km deep · 95 km away
5. 1.710km W of Anza, CAFri, Jul 26, 11:16 PM PDT · 15044 days ago · 4 km deep · 90 km away
6. 2.05km W of Aguanga, CAFri, Jul 26, 10:23 PM PDT · 15045 days ago · -1 km deep · 85 km away
7. 1.813km WNW of Anza, CAFri, Jul 26, 10:17 PM PDT · 15045 days ago · 5 km deep · 86 km away
8. 2.18km NW of Lytle Creek, CAFri, Jul 26, 7:52 AM PDT · 15045 days ago · 9 km deep · 47 km away
9. 1.68km NNW of Cabazon, CAFri, Jul 26, 7:12 AM PDT · 15045 days ago · 11 km deep · 78 km away
10. 1.611km NE of Aguanga, CAFri, Jul 26, 6:26 AM PDT · 15045 days ago · 5 km deep · 91 km away
11. 2.32km SSW of Westminster, CAFri, Jul 26, 4:24 AM PDT · 15045 days ago · 6 km deep · 37 km away
12. 1.96km E of Temecula, CAFri, Jul 26, 3:39 AM PDT · 15045 days ago · 5 km deep · 71 km away
13. 1.66km NNW of Beaumont, CAFri, Jul 26, 2:14 AM PDT · 15045 days ago · 12 km deep · 62 km away
14. 1.812km NNE of Banning, CAThu, Jul 25, 8:40 PM PDT · 15046 days ago · 14 km deep · 77 km away
15. 1.913km NNE of Cabazon, CAThu, Jul 25, 4:31 PM PDT · 15046 days ago · 14 km deep · 85 km away
16. 1.911km NE of Aguanga, CAThu, Jul 25, 4:18 AM PDT · 15046 days ago · 1 km deep · 91 km away
17. 1.610km NNE of Yucaipa, CAThu, Jul 25, 12:34 AM PDT · 15046 days ago · 4 km deep · 66 km away
18. 1.85km ENE of Beaumont, CAWed, Jul 24, 11:49 PM PDT · 15046 days ago · 19 km deep · 68 km away
19. 2.110km NNE of Yucaipa, CAWed, Jul 24, 7:09 PM PDT · 15047 days ago · 4 km deep · 65 km away
20. 1.87km SSE of Idyllwild, CAWed, Jul 24, 2:32 PM PDT · 15047 days ago · 14 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci71504. Read Sun, Oct 4, 2026, 5:09 PM UTC.