M1.7 earthquake 8km NNE of Running Springs, CA

Magnitude

1.7 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, Jul 31, 1982, 6:12 AM PDT

UTC

1982-07-31 13:12:04 UTC

Depth

2.2 km (1.4 mi), shallow

Epicenter

34.279° N, 117.079° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

50°

Stations used

0

• Running Springs, CaliforniaPopulation 4,862. Forecast8 kmNNE
• Lake Arrowhead, CaliforniaPopulation 12,424. Forecast11 kmENE
• San Bernardino, CaliforniaPopulation 216,108. Forecast27 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast110 kmENE

After

1. 1.518km NW of Yucca Valley, CASat, Jul 31, 9:58 AM PDT · 16134 days ago · 7 km deep · 46 km away
2. 1.72km NW of San Bernardino, CASat, Jul 31, 1:49 PM PDT · 16134 days ago · 7 km deep · 26 km away
3. 2.13km SSE of Yorba Linda, CASat, Jul 31, 4:42 PM PDT · 16134 days ago · 7 km deep · 81 km away
4. 1.517km WSW of Ludlow, CASat, Jul 31, 6:58 PM PDT · 16134 days ago · 5 km deep · 80 km away
5. 1.612km N of Big Bear City, CASun, Aug 1, 5:03 AM PDT · 16133 days ago · 3 km deep · 24 km away
6. 1.75km ENE of Cabazon, CAMon, Aug 2, 8:45 AM PDT · 16132 days ago · 16 km deep · 49 km away
7. 1.53km ENE of Anza, CATue, Aug 3, 4:50 AM PDT · 16131 days ago · 12 km deep · 88 km away
8. 1.66km SE of Ontario, CATue, Aug 3, 6:18 PM PDT · 16131 days ago · 5 km deep · 54 km away
9. 1.910km SSW of Idyllwild, CAWed, Aug 4, 2:09 PM PDT · 16130 days ago · 13 km deep · 74 km away
10. 1.613km NNE of Cabazon, CAWed, Aug 4, 2:32 PM PDT · 16130 days ago · 17 km deep · 44 km away
11. 2.04km ESE of Running Springs, CAThu, Aug 5, 3:37 AM PDT · 16129 days ago · 1 km deep · 10 km away
12. 1.74km SE of Running Springs, CAThu, Aug 5, 11:32 AM PDT · 16129 days ago · 0 km deep · 10 km away
13. 1.91km E of Anza, CAThu, Aug 5, 8:39 PM PDT · 16128 days ago · 7 km deep · 89 km away
14. 1.840km ENE of Lucerne Valley, CAFri, Aug 6, 4:16 PM PDT · 16128 days ago · 5 km deep · 56 km away
15. 2.38km NE of North Tustin, CASat, Aug 7, 6:33 PM PDT · 16127 days ago · 11 km deep · 79 km away
16. 2.09km E of Villa Park, CASat, Aug 7, 7:01 PM PDT · 16127 days ago · 10 km deep · 78 km away
17. 2.118km NW of Yucca Valley, CASat, Aug 7, 10:23 PM PDT · 16126 days ago · 7 km deep · 45 km away
18. 2.10km SSE of Anza, CASun, Aug 8, 3:12 AM PDT · 16126 days ago · 7 km deep · 89 km away
19. 1.62km SSE of Loma Linda, CASun, Aug 8, 8:04 AM PDT · 16126 days ago · 18 km deep · 32 km away
20. 2.21km SE of Anza, CASun, Aug 8, 12:06 PM PDT · 16126 days ago · 9 km deep · 89 km away
21. 1.95km W of Anza, CASun, Aug 8, 10:24 PM PDT · 16125 days ago · 3 km deep · 87 km away
22. 1.64km W of Anza, CAMon, Aug 9, 2:30 PM PDT · 16125 days ago · 4 km deep · 87 km away
23. 1.99km SSE of Llano, CAMon, Aug 9, 4:18 PM PDT · 16125 days ago · 8 km deep · 63 km away
24. 2.29km SSE of Llano, CAMon, Aug 9, 4:27 PM PDT · 16125 days ago · 6 km deep · 63 km away
25. 1.536km NNW of Joshua Tree, CAMon, Aug 9, 4:53 PM PDT · 16125 days ago · 2 km deep · 62 km away
26. 2.07km WNW of San Jacinto, CAMon, Aug 9, 6:24 PM PDT · 16125 days ago · 13 km deep · 52 km away
27. 1.84km S of Anaheim, CATue, Aug 10, 12:41 AM PDT · 16124 days ago · 5 km deep · 92 km away
28. 1.97km SSW of Pearblossum, CATue, Aug 10, 7:17 AM PDT · 16124 days ago · 10 km deep · 81 km away
29. 1.95km NNW of Mira Loma, CATue, Aug 10, 6:35 PM PDT · 16124 days ago · 9 km deep · 50 km away
30. 2.13km S of Idyllwild, CATue, Aug 10, 11:19 PM PDT · 16123 days ago · 14 km deep · 71 km away
31. 1.65km N of Moreno Valley, CAWed, Aug 11, 7:06 PM PDT · 16123 days ago · 12 km deep · 36 km away
32. 2.216km S of Joshua Tree, CAThu, Aug 12, 1:43 AM PDT · 16122 days ago · 2 km deep · 75 km away
33. 1.81km NE of Anza, CAThu, Aug 12, 2:15 AM PDT · 16122 days ago · 11 km deep · 88 km away
34. 2.04km NE of San Bernardino, CAThu, Aug 12, 4:26 AM PDT · 16122 days ago · 2 km deep · 22 km away
35. 2.14km NE of San Bernardino, CAThu, Aug 12, 4:32 AM PDT · 16122 days ago · 2 km deep · 22 km away
36. 2.87km SSW of Pearblossum, CAThu, Aug 12, 2:01 PM PDT · 16122 days ago · 10 km deep · 81 km away
37. 1.97km SSW of Littlerock, CAThu, Aug 12, 8:01 PM PDT · 16122 days ago · 8 km deep · 88 km away
38. 1.69km SSW of Big Bear Lake, CAFri, Aug 13, 6:24 PM PDT · 16121 days ago · 11 km deep · 16 km away
39. 2.92km N of Muscoy, CAFri, Aug 13, 7:37 PM PDT · 16121 days ago · 4 km deep · 27 km away
40. 1.75km ENE of Banning, CASat, Aug 14, 2:41 AM PDT · 16120 days ago · 10 km deep · 44 km away
41. 1.91km ENE of Anza, CASat, Aug 14, 8:40 AM PDT · 16120 days ago · 10 km deep · 89 km away
42. 1.712km E of Yucaipa, CASat, Aug 14, 11:08 AM PDT · 16120 days ago · 19 km deep · 30 km away
43. 1.71km WSW of Garnet, CASun, Aug 15, 2:50 PM PDT · 16119 days ago · 11 km deep · 64 km away
44. 2.50km SE of Anza, CASun, Aug 15, 7:12 PM PDT · 16119 days ago · 7 km deep · 89 km away
45. 1.52km NNE of Muscoy, CAMon, Aug 16, 5:03 AM PDT · 16118 days ago · 3 km deep · 27 km away
46. 1.92km N of Muscoy, CAMon, Aug 16, 11:42 AM PDT · 16118 days ago · 4 km deep · 27 km away
47. 2.07km S of Idyllwild, CAMon, Aug 16, 2:22 PM PDT · 16118 days ago · 15 km deep · 74 km away
48. 1.91km ENE of Anza, CAMon, Aug 16, 3:37 PM PDT · 16118 days ago · 8 km deep · 89 km away
49. 2.27km ENE of Villa Park, CATue, Aug 17, 4:16 AM PDT · 16117 days ago · 9 km deep · 78 km away
50. 1.929km ENE of Lucerne Valley, CATue, Aug 17, 3:44 PM PDT · 16117 days ago · 5 km deep · 47 km away
51. 1.67km NNW of Garnet, CAWed, Aug 18, 1:13 AM PDT · 16116 days ago · 7 km deep · 58 km away
52. 2.017km SSE of Joshua Tree, CAWed, Aug 18, 1:48 PM PDT · 16116 days ago · 2 km deep · 82 km away
53. 1.918km SSE of Joshua Tree, CAWed, Aug 18, 1:56 PM PDT · 16116 days ago · 2 km deep · 82 km away
54. 1.78km SW of Idyllwild, CAThu, Aug 19, 3:20 AM PDT · 16115 days ago · 15 km deep · 70 km away
55. 2.11km N of Anza, CASat, Aug 21, 8:47 PM PDT · 16112 days ago · 8 km deep · 88 km away
56. 1.77km NNE of Cabazon, CASun, Aug 22, 7:01 PM PDT · 16112 days ago · 16 km deep · 44 km away
57. 1.736km SW of Ludlow, CAMon, Aug 23, 4:52 AM PDT · 16111 days ago · 4 km deep · 64 km away
58. 1.617km ENE of Thousand Palms, CAMon, Aug 23, 8:10 AM PDT · 16111 days ago · 0 km deep · 89 km away
59. 2.55km N of Banning, CAMon, Aug 23, 11:00 AM PDT · 16111 days ago · 17 km deep · 39 km away
60. 1.518km N of Joshua Tree, CAMon, Aug 23, 6:48 PM PDT · 16111 days ago · 5 km deep · 68 km away

The first 60 of 160.

Before

1. 1.92km ENE of Anza, CAFri, Jul 30, 7:07 PM PDT · 16135 days ago · 10 km deep · 89 km away
2. 2.18km NE of Barstow, CAFri, Jul 30, 1:49 AM PDT · 16135 days ago · 5 km deep · 76 km away
3. 1.81km NNE of Anza, CAThu, Jul 29, 4:55 AM PDT · 16136 days ago · 9 km deep · 88 km away
4. 1.67km ENE of Lake Arrowhead, CAWed, Jul 28, 1:47 PM PDT · 16137 days ago · 1 km deep · 4 km away
5. 1.95km SE of Loma Linda, CAWed, Jul 28, 12:00 PM PDT · 16137 days ago · 16 km deep · 33 km away
6. 1.82km SE of Colton, CAWed, Jul 28, 3:52 AM PDT · 16137 days ago · 14 km deep · 32 km away
7. 1.92km NNE of Muscoy, CAWed, Jul 28, 2:01 AM PDT · 16137 days ago · 2 km deep · 26 km away
8. 1.76km SSW of Redlands, CAWed, Jul 28, 1:13 AM PDT · 16137 days ago · 14 km deep · 32 km away
9. 2.28km WSW of Corona, CATue, Jul 27, 2:29 AM PDT · 16138 days ago · 3 km deep · 72 km away
10. 1.838km SW of Ludlow, CATue, Jul 27, 1:24 AM PDT · 16138 days ago · 5 km deep · 59 km away
11. 2.01km ENE of Anza, CAMon, Jul 26, 6:03 PM PDT · 16139 days ago · 8 km deep · 89 km away
12. 2.513km ESE of Lucerne Valley, CAMon, Jul 26, 5:11 AM PDT · 16139 days ago · 6 km deep · 28 km away
13. 1.71km WNW of Fontana, CAMon, Jul 26, 4:36 AM PDT · 16139 days ago · 4 km deep · 41 km away
14. 1.98km NE of Barstow, CASun, Jul 25, 9:24 PM PDT · 16139 days ago · 5 km deep · 75 km away
15. 1.71km E of Winchester, CASun, Jul 25, 6:47 PM PDT · 16140 days ago · 10 km deep · 63 km away
16. 1.98km ENE of Lake Arrowhead, CASun, Jul 25, 8:31 AM PDT · 16140 days ago · 1 km deep · 3 km away
17. 1.83km ESE of Loma Linda, CASun, Jul 25, 4:23 AM PDT · 16140 days ago · 15 km deep · 30 km away
18. 1.64km SSE of Garnet, CASat, Jul 24, 3:32 PM PDT · 16141 days ago · 14 km deep · 68 km away
19. 1.510km WNW of Garnet, CASat, Jul 24, 11:48 AM PDT · 16141 days ago · 15 km deep · 55 km away
20. 1.95km SE of Loma Linda, CASat, Jul 24, 8:48 AM PDT · 16141 days ago · 17 km deep · 33 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci505921. Read Fri, Oct 2, 2026, 2:57 PM UTC.