M1.7 earthquake 14 km N of Brooktrails, California

Magnitude

1.7 (md), micro

Local time

Wed, Jul 14, 1982, 11:20 AM PDT

UTC

1982-07-14 18:20:42 UTC

Depth

9.9 km (6.1 mi), shallow

Epicenter

39.571° N, 123.393° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.02

Depth from

From location

Station coverage gap

72°

Stations used

12

• Brooktrails, CaliforniaPopulation 3,235. Forecast14 kmN
• Ukiah, CaliforniaPopulation 15,917. Forecast49 kmNNW
• Chico, CaliforniaPopulation 121,345. Forecast134 kmW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast766 kmNW

After

1. 1.812 km W of Paskenta, CaliforniaWed, Jul 14, 2:32 PM PDT · 16141 days ago · 4 km deep · 70 km away
2. 1.87 km W of Cobb, CaliforniaSat, Jul 17, 12:54 PM PDT · 16138 days ago · 3 km deep · 98 km away
3. 3.29 km NNW of Paskenta, CaliforniaSat, Jul 17, 6:28 PM PDT · 16138 days ago · 5 km deep · 83 km away
4. 1.56 km W of Cobb, CaliforniaSat, Jul 17, 6:57 PM PDT · 16138 days ago · 3 km deep · 99 km away
5. 2.09 km SSE of Laytonville, CaliforniaSun, Jul 18, 8:02 AM PDT · 16138 days ago · 8 km deep · 5 km away
6. 2.06 km NE of Cloverdale, CaliforniaSun, Jul 18, 9:16 AM PDT · 16138 days ago · 4 km deep · 88 km away
7. 2.514 km W of Rancho Tehama Reserve, CaliforniaSun, Jul 18, 3:32 PM PDT · 16137 days ago · -1 km deep · 86 km away
8. 2.115 km W of Paskenta, CaliforniaSun, Jul 18, 3:42 PM PDT · 16137 days ago · 5 km deep · 68 km away
9. 3.714 km W of Rancho Tehama Reserve, CaliforniaSun, Jul 18, 3:45 PM PDT · 16137 days ago · -1 km deep · 87 km away
10. 2.42 km NW of Paskenta, CaliforniaSun, Jul 18, 10:37 PM PDT · 16137 days ago · 5 km deep · 80 km away
11. 2.68 km NNW of Paskenta, CaliforniaMon, Jul 19, 4:37 PM PDT · 16136 days ago · 7 km deep · 80 km away
12. 2.216 km NW of Paskenta, CaliforniaMon, Jul 19, 9:44 PM PDT · 16136 days ago · 8 km deep · 79 km away
13. 2.414 km W of Rancho Tehama Reserve, CaliforniaTue, Jul 20, 7:42 PM PDT · 16135 days ago · 0 km deep · 87 km away
14. 2.09 km WNW of Cobb, CaliforniaWed, Jul 21, 2:11 AM PDT · 16135 days ago · 1 km deep · 94 km away
15. 1.57 km WSW of Cobb, CaliforniaFri, Jul 23, 12:30 PM PDT · 16132 days ago · 3 km deep · 99 km away
16. 2.419 km NW of Paskenta, CaliforniaFri, Jul 23, 7:55 PM PDT · 16132 days ago · 2 km deep · 80 km away
17. 2.012 km SSW of Hopland, CaliforniaSat, Jul 24, 8:10 AM PDT · 16132 days ago · 0 km deep · 81 km away
18. 1.84 km E of Point Arena, CaliforniaSun, Jul 25, 3:35 AM PDT · 16131 days ago · 3 km deep · 76 km away
19. 1.59 km WSW of Cobb, CaliforniaSun, Jul 25, 10:06 PM PDT · 16130 days ago · 1 km deep · 99 km away
20. 1.910 km SE of Hopland, CaliforniaMon, Jul 26, 3:51 PM PDT · 16129 days ago · 7 km deep · 80 km away
21. 2.217 km NE of Upper Lake, CaliforniaTue, Jul 27, 3:39 AM PDT · 16129 days ago · 7 km deep · 60 km away
22. 2.124 km E of Covelo, CaliforniaTue, Jul 27, 5:41 AM PDT · 16129 days ago · 4 km deep · 44 km away
23. 1.7Northern CaliforniaTue, Jul 27, 7:16 AM PDT · 16129 days ago · 11 km deep · 38 km away
24. 1.75 km NNE of Clearlake, CaliforniaTue, Jul 27, 8:19 AM PDT · 16129 days ago · 2 km deep · 92 km away
25. 2.117 km WSW of Weott, CaliforniaWed, Jul 28, 12:53 AM PDT · 16128 days ago · 5 km deep · 95 km away
26. 2.48 km SE of Laytonville, CaliforniaWed, Jul 28, 8:04 AM PDT · 16128 days ago · 4 km deep · 6 km away
27. 2.119 km WSW of Weott, CaliforniaWed, Jul 28, 8:21 AM PDT · 16128 days ago · 5 km deep · 99 km away
28. 2.220 km W of Elk Creek, CaliforniaSat, Jul 31, 6:49 PM PDT · 16124 days ago · 5 km deep · 53 km away
29. 1.924 km NE of Potter Valley, CaliforniaSat, Jul 31, 9:22 PM PDT · 16124 days ago · 9 km deep · 39 km away
30. 3.014 km WSW of Elk Creek, CaliforniaSun, Aug 1, 2:43 AM PDT · 16124 days ago · -1 km deep · 60 km away
31. 1.918 km NNE of Upper Lake, CaliforniaSun, Aug 1, 5:08 PM PDT · 16123 days ago · 7 km deep · 56 km away
32. 2.52 km WNW of Cobb, CaliforniaMon, Aug 2, 1:14 AM PDT · 16123 days ago · 2 km deep · 99 km away
33. 1.66 km W of Cobb, CaliforniaTue, Aug 3, 12:08 PM PDT · 16121 days ago · 3 km deep · 98 km away
34. 1.67 km WSW of Cobb, CaliforniaTue, Aug 3, 3:06 PM PDT · 16121 days ago · 3 km deep · 100 km away
35. 2.04 km SE of Clear Lake Riviera, CaliforniaTue, Aug 3, 11:18 PM PDT · 16121 days ago · 2 km deep · 94 km away
36. 2.65 km SE of Clear Lake Riviera, CaliforniaWed, Aug 4, 2:26 AM PDT · 16121 days ago · 0 km deep · 95 km away
37. 2.24 km SE of Clear Lake Riviera, CaliforniaWed, Aug 4, 3:46 AM PDT · 16121 days ago · 2 km deep · 94 km away
38. 3.04 km SE of Clear Lake Riviera, CaliforniaWed, Aug 4, 8:41 AM PDT · 16121 days ago · 3 km deep · 95 km away
39. 1.94 km SE of Clear Lake Riviera, CaliforniaWed, Aug 4, 8:58 AM PDT · 16121 days ago · 1 km deep · 95 km away
40. 1.76 km ENE of Willits, CaliforniaWed, Aug 4, 9:06 AM PDT · 16121 days ago · -1 km deep · 17 km away
41. 2.74 km SE of Clear Lake Riviera, CaliforniaWed, Aug 4, 10:06 AM PDT · 16121 days ago · 3 km deep · 94 km away
42. 1.63 km SSE of Clear Lake Riviera, CaliforniaWed, Aug 4, 10:31 AM PDT · 16121 days ago · -1 km deep · 94 km away
43. 1.84 km SSE of Clear Lake Riviera, CaliforniaWed, Aug 4, 12:10 PM PDT · 16120 days ago · 0 km deep · 94 km away
44. 2.44 km SE of Clear Lake Riviera, CaliforniaWed, Aug 4, 3:32 PM PDT · 16120 days ago · 1 km deep · 95 km away
45. 2.14 km SE of Clear Lake Riviera, CaliforniaWed, Aug 4, 5:39 PM PDT · 16120 days ago · 2 km deep · 95 km away
46. 1.94 km SE of Clear Lake Riviera, CaliforniaThu, Aug 5, 12:45 AM PDT · 16120 days ago · 2 km deep · 95 km away
47. 1.64 km SE of Clear Lake Riviera, CaliforniaThu, Aug 5, 1:00 AM PDT · 16120 days ago · 2 km deep · 94 km away
48. 1.85 km SE of Clear Lake Riviera, CaliforniaThu, Aug 5, 11:11 AM PDT · 16119 days ago · 4 km deep · 95 km away
49. 1.83 km SSE of Clear Lake Riviera, CaliforniaThu, Aug 5, 12:51 PM PDT · 16119 days ago · 1 km deep · 94 km away
50. 1.68 km WSW of Cobb, CaliforniaFri, Aug 6, 2:04 AM PDT · 16119 days ago · 3 km deep · 99 km away
51. 2.86 km W of Cobb, CaliforniaFri, Aug 6, 2:40 AM PDT · 16119 days ago · 3 km deep · 98 km away
52. 2.44 km N of Redway, CaliforniaSat, Aug 7, 4:00 AM PDT · 16118 days ago · 18 km deep · 74 km away
53. 2.76 km W of Cobb, CaliforniaSun, Aug 8, 2:08 AM PDT · 16117 days ago · 4 km deep · 99 km away
54. 2.022 km NE of Potter Valley, CaliforniaSun, Aug 8, 4:49 PM PDT · 16116 days ago · 1 km deep · 40 km away
55. 2.637 km ESE of Ruth, CaliforniaMon, Aug 9, 4:48 AM PDT · 16116 days ago · 10 km deep · 70 km away
56. 2.26 km W of Cobb, CaliforniaTue, Aug 10, 7:21 PM PDT · 16114 days ago · 3 km deep · 99 km away
57. 1.720 km W of Elk Creek, CaliforniaThu, Aug 12, 6:52 AM PDT · 16113 days ago · 4 km deep · 53 km away
58. 1.83 km SE of Clear Lake Riviera, CaliforniaFri, Aug 13, 9:19 PM PDT · 16111 days ago · -1 km deep · 93 km away
59. 2.33 km SSE of Point Arena, CaliforniaSun, Aug 15, 7:04 PM PDT · 16109 days ago · 4 km deep · 81 km away
60. 1.624 km NE of Potter Valley, CaliforniaTue, Aug 17, 2:51 AM PDT · 16108 days ago · 10 km deep · 39 km away

The first 60 of 100.

Before

1. 1.54 km WNW of Ukiah, CaliforniaWed, Jul 14, 3:21 AM PDT · 16142 days ago · 4 km deep · 47 km away
2. 1.64 km WNW of Ukiah, CaliforniaWed, Jul 14, 3:20 AM PDT · 16142 days ago · 5 km deep · 46 km away
3. 2.217 km NNE of Nice, CaliforniaTue, Jul 13, 7:11 PM PDT · 16142 days ago · 13 km deep · 66 km away
4. 2.018 km NNE of Nice, CaliforniaTue, Jul 13, 2:33 PM PDT · 16142 days ago · 8 km deep · 66 km away
5. 2.118 km NNE of Nice, CaliforniaTue, Jul 13, 2:32 PM PDT · 16142 days ago · 6 km deep · 65 km away
6. 1.723 km NNE of Potter Valley, CaliforniaTue, Jul 13, 1:10 PM PDT · 16142 days ago · 4 km deep · 33 km away
7. 2.422 km NNE of Potter Valley, CaliforniaTue, Jul 13, 10:45 AM PDT · 16142 days ago · 1 km deep · 37 km away
8. 2.10 km NE of North Lakeport, CaliforniaMon, Jul 12, 10:38 PM PDT · 16143 days ago · 19 km deep · 68 km away
9. 1.68 km ESE of Cloverdale, CaliforniaMon, Jul 12, 6:41 AM PDT · 16144 days ago · 6 km deep · 96 km away
10. 1.816 km NNE of Upper Lake, CaliforniaSun, Jul 11, 10:15 PM PDT · 16144 days ago · 14 km deep · 59 km away
11. 2.28 km NNW of Geyserville, CaliforniaSun, Jul 11, 8:23 PM PDT · 16144 days ago · 3 km deep · 97 km away
12. 2.38 km ESE of Cloverdale, CaliforniaSun, Jul 11, 8:22 PM PDT · 16144 days ago · 5 km deep · 96 km away
13. 1.67 km NNW of Geyserville, CaliforniaSun, Jul 11, 7:52 PM PDT · 16144 days ago · 3 km deep · 97 km away
14. 2.012 km N of Brooktrails, CaliforniaSun, Jul 11, 4:08 PM PDT · 16144 days ago · 8 km deep · 3 km away
15. 2.48 km SW of Willows, CaliforniaSun, Jul 11, 5:11 AM PDT · 16145 days ago · 25 km deep · 96 km away
16. 1.615 km NE of Potter Valley, CaliforniaSat, Jul 10, 7:17 AM PDT · 16146 days ago · 1 km deep · 38 km away
17. 2.216 km NE of Upper Lake, CaliforniaSat, Jul 10, 6:56 AM PDT · 16146 days ago · 5 km deep · 63 km away
18. 1.79 km SE of Hopland, CaliforniaThu, Jul 8, 4:42 PM PDT · 16147 days ago · 6 km deep · 79 km away
19. 1.924 km SE of Covelo, CaliforniaThu, Jul 8, 2:10 AM PDT · 16148 days ago · 5 km deep · 28 km away
20. 1.84 km SSE of Calpella, CaliforniaWed, Jul 7, 8:39 PM PDT · 16148 days ago · 3 km deep · 46 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1076237. Read Wed, Sep 23, 2026, 5:05 AM UTC.