M1.6 earthquake 6 km WSW of Eldridge, California

Magnitude

1.6 (md), micro

Local time

Tue, Oct 19, 1982, 5:34 PM PDT

UTC

1982-10-20 00:34:58 UTC

Depth

8.3 km (5.1 mi), shallow

Epicenter

38.318° N, 122.577° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.55

Depth from

From location

Station coverage gap

179°

Stations used

7

• Eldridge, CaliforniaPopulation 1,233. Forecast7 kmWSW
• Agua Caliente, CaliforniaPopulation 27,090. Forecast8 kmW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast18 kmSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast613 kmNW

After

1. 1.67 km WSW of Cobb, CaliforniaWed, Oct 20, 4:05 PM PDT · 16051 days ago · 3 km deep · 58 km away
2. 1.66 km S of Calistoga, CaliforniaThu, Oct 21, 5:38 AM PDT · 16050 days ago · 6 km deep · 22 km away
3. 1.76 km E of Geyserville, CaliforniaThu, Oct 21, 9:24 AM PDT · 16050 days ago · 6 km deep · 49 km away
4. 2.08 km WSW of Cobb, CaliforniaThu, Oct 21, 12:15 PM PDT · 16050 days ago · 0 km deep · 57 km away
5. 1.94 km WSW of Cobb, CaliforniaFri, Oct 22, 10:42 AM PDT · 16049 days ago · 1 km deep · 57 km away
6. 2.06 km W of Cobb, CaliforniaFri, Oct 22, 12:05 PM PDT · 16049 days ago · 2 km deep · 59 km away
7. 1.56 km W of Cobb, CaliforniaFri, Oct 22, 1:01 PM PDT · 16049 days ago · -1 km deep · 58 km away
8. 1.66 km W of Cobb, CaliforniaSun, Oct 24, 5:16 AM PDT · 16047 days ago · 1 km deep · 60 km away
9. 2.34 km S of Cobb, CaliforniaSun, Oct 24, 11:44 AM PDT · 16047 days ago · 2 km deep · 53 km away
10. 1.74 km S of Cobb, CaliforniaMon, Oct 25, 6:05 PM PDT · 16046 days ago · 0 km deep · 53 km away
11. 1.710 km ESE of Hidden Valley Lake, CaliforniaMon, Oct 25, 9:05 PM PDT · 16046 days ago · 6 km deep · 52 km away
12. 2.02 km SW of Geyserville, CaliforniaMon, Oct 25, 11:49 PM PDT · 16046 days ago · -1 km deep · 52 km away
13. 2.4Northern CaliforniaTue, Oct 26, 5:52 AM PDT · 16045 days ago · 5 km deep · 84 km away
14. 2.34 km S of Cobb, CaliforniaTue, Oct 26, 8:56 AM PDT · 16045 days ago · 2 km deep · 53 km away
15. 1.610 km S of Muir Beach, CaliforniaTue, Oct 26, 10:55 AM PDT · 16045 days ago · 13 km deep · 61 km away
16. 1.77 km W of Cobb, CaliforniaThu, Oct 28, 7:37 AM PDT · 16043 days ago · 1 km deep · 58 km away
17. 2.37 km W of Cobb, CaliforniaThu, Oct 28, 8:35 AM PDT · 16043 days ago · 1 km deep · 59 km away
18. 1.78 km WSW of Cobb, CaliforniaThu, Oct 28, 6:25 PM PDT · 16043 days ago · -1 km deep · 57 km away
19. 1.85 km SW of Cobb, CaliforniaFri, Oct 29, 2:39 PM PDT · 16042 days ago · -1 km deep · 54 km away
20. 1.76 km W of Cobb, CaliforniaFri, Oct 29, 4:01 PM PDT · 16042 days ago · 1 km deep · 58 km away
21. 2.96 km W of Cobb, CaliforniaSat, Oct 30, 7:38 PM PDT · 16041 days ago · 1 km deep · 58 km away
22. 2.46 km W of Cobb, CaliforniaSat, Oct 30, 7:39 PM PDT · 16041 days ago · 1 km deep · 58 km away
23. 1.76 km W of Cobb, CaliforniaSun, Oct 31, 9:43 PM PST · 16040 days ago · 3 km deep · 59 km away
24. 2.06 km W of Cobb, CaliforniaMon, Nov 1, 12:00 AM PST · 16040 days ago · -1 km deep · 60 km away
25. 1.76 km W of Cobb, CaliforniaMon, Nov 1, 12:00 AM PST · 16040 days ago · -1 km deep · 60 km away
26. 2.13 km SSW of Green Valley, CaliforniaWed, Nov 3, 6:33 PM PST · 16037 days ago · 11 km deep · 37 km away
27. 3.23 km W of Moskowite Corner, CaliforniaThu, Nov 4, 7:10 AM PST · 16036 days ago · 8 km deep · 33 km away
28. 1.97 km W of Cobb, CaliforniaThu, Nov 4, 7:19 PM PST · 16036 days ago · 1 km deep · 58 km away
29. 1.56 km SW of Cobb, CaliforniaFri, Nov 5, 12:14 PM PST · 16035 days ago · 3 km deep · 55 km away
30. 2.53 km W of Livermore, CaliforniaFri, Nov 5, 12:50 PM PST · 16035 days ago · 15 km deep · 98 km away
31. 2.28 km WSW of Cobb, CaliforniaFri, Nov 5, 4:36 PM PST · 16035 days ago · 0 km deep · 57 km away
32. 2.03 km W of Livermore, CaliforniaFri, Nov 5, 8:56 PM PST · 16035 days ago · 14 km deep · 98 km away
33. 1.77 km WSW of Cobb, CaliforniaSat, Nov 6, 9:52 AM PST · 16034 days ago · 0 km deep · 58 km away
34. 2.03 km W of Livermore, CaliforniaSat, Nov 6, 1:28 PM PST · 16034 days ago · 15 km deep · 98 km away
35. 2.06 km W of Cobb, CaliforniaSat, Nov 6, 3:26 PM PST · 16034 days ago · 1 km deep · 58 km away
36. 1.66 km W of Cobb, CaliforniaSat, Nov 6, 3:27 PM PST · 16034 days ago · 2 km deep · 58 km away
37. 1.612 km ESE of Hidden Valley Lake, CaliforniaTue, Nov 9, 5:01 AM PST · 16031 days ago · 3 km deep · 51 km away
38. 2.55 km SW of Cobb, CaliforniaTue, Nov 9, 8:09 PM PST · 16031 days ago · -1 km deep · 55 km away
39. 3.35 km WSW of Cobb, CaliforniaTue, Nov 9, 8:17 PM PST · 16031 days ago · 0 km deep · 56 km away
40. 1.65 km SW of Cobb, CaliforniaTue, Nov 9, 8:22 PM PST · 16031 days ago · 0 km deep · 55 km away
41. 1.6Northern CaliforniaWed, Nov 10, 1:50 AM PST · 16030 days ago · -1 km deep · 60 km away
42. 1.9Northern CaliforniaWed, Nov 10, 2:00 PM PST · 16030 days ago · 3 km deep · 76 km away
43. 1.61 km ENE of East Richmond Heights, CaliforniaWed, Nov 10, 2:02 PM PST · 16030 days ago · 7 km deep · 48 km away
44. 2.86 km W of Cobb, CaliforniaThu, Nov 11, 4:35 AM PST · 16029 days ago · 3 km deep · 59 km away
45. 2.13 km SE of Larkfield-Wikiup, CaliforniaThu, Nov 11, 11:49 AM PST · 16029 days ago · 3 km deep · 23 km away
46. 1.56 km WNW of Cobb, CaliforniaThu, Nov 11, 12:33 PM PST · 16029 days ago · 0 km deep · 61 km away
47. 1.67 km WSW of Cobb, CaliforniaFri, Nov 12, 12:49 PM PST · 16028 days ago · -1 km deep · 57 km away
48. 1.87 km W of Cobb, CaliforniaSat, Nov 13, 4:43 AM PST · 16027 days ago · 0 km deep · 59 km away
49. 1.57 km W of Cobb, CaliforniaSat, Nov 13, 4:45 AM PST · 16027 days ago · 0 km deep · 60 km away
50. 1.86 km W of Cobb, CaliforniaSat, Nov 13, 9:40 PM PST · 16027 days ago · 2 km deep · 58 km away
51. 2.06 km W of Cobb, CaliforniaSat, Nov 13, 10:32 PM PST · 16027 days ago · 2 km deep · 59 km away
52. 2.24 km WSW of Cobb, CaliforniaSun, Nov 14, 6:15 AM PST · 16026 days ago · 0 km deep · 56 km away
53. 1.711 km SW of Brentwood, CaliforniaMon, Nov 15, 1:22 AM PST · 16025 days ago · 15 km deep · 88 km away
54. 1.56 km WSW of Cobb, CaliforniaTue, Nov 16, 2:21 AM PST · 16024 days ago · 0 km deep · 57 km away
55. 1.78 km WSW of Cobb, CaliforniaTue, Nov 16, 4:36 PM PST · 16024 days ago · -1 km deep · 57 km away
56. 1.66 km W of Cobb, CaliforniaTue, Nov 16, 5:37 PM PST · 16024 days ago · 0 km deep · 58 km away
57. 1.67 km WSW of Cobb, CaliforniaWed, Nov 17, 1:55 AM PST · 16023 days ago · 1 km deep · 58 km away
58. 2.04 km ESE of Clearlake Oaks, CaliforniaWed, Nov 17, 6:17 PM PST · 16023 days ago · 1 km deep · 77 km away
59. 1.57 km SSW of Calistoga, CaliforniaThu, Nov 18, 3:08 AM PST · 16022 days ago · 5 km deep · 23 km away
60. 1.76 km WSW of Cobb, CaliforniaFri, Nov 19, 6:24 PM PST · 16021 days ago · 0 km deep · 58 km away

The first 60 of 119.

Before

1. 2.212 km WSW of Byron, CaliforniaTue, Oct 19, 1:13 PM PDT · 16052 days ago · 10 km deep · 91 km away
2. 1.78 km WSW of Cobb, CaliforniaTue, Oct 19, 12:19 PM PDT · 16052 days ago · 0 km deep · 56 km away
3. 2.44 km WSW of Cobb, CaliforniaTue, Oct 19, 7:49 AM PDT · 16052 days ago · 1 km deep · 57 km away
4. 2.94 km WSW of Cobb, CaliforniaTue, Oct 19, 7:21 AM PDT · 16052 days ago · 1 km deep · 56 km away
5. 1.86 km WSW of Cobb, CaliforniaTue, Oct 19, 6:18 AM PDT · 16052 days ago · 3 km deep · 57 km away
6. 1.56 km W of Cobb, CaliforniaTue, Oct 19, 12:30 AM PDT · 16053 days ago · 2 km deep · 59 km away
7. 1.610 km E of Blackhawk, CaliforniaMon, Oct 18, 4:58 PM PDT · 16053 days ago · 16 km deep · 88 km away
8. 1.55 km WSW of Hopland, CaliforniaMon, Oct 18, 6:31 AM PDT · 16053 days ago · 3 km deep · 87 km away
9. 2.41 km NE of Danville, CaliforniaSun, Oct 17, 12:20 PM PDT · 16054 days ago · 7 km deep · 75 km away
10. 1.96 km ESE of Roseland, CaliforniaSat, Oct 16, 11:11 PM PDT · 16055 days ago · 9 km deep · 11 km away
11. 1.79 km SW of Clear Lake Riviera, CaliforniaSat, Oct 16, 3:12 PM PDT · 16055 days ago · -1 km deep · 66 km away
12. 1.67 km W of Cobb, CaliforniaThu, Oct 14, 11:45 PM PDT · 16057 days ago · 2 km deep · 59 km away
13. 1.94 km N of Kenwood, CaliforniaThu, Oct 14, 10:57 PM PDT · 16057 days ago · 5 km deep · 16 km away
14. 2.36 km NE of Hopland, CaliforniaThu, Oct 14, 6:46 PM PDT · 16057 days ago · 2 km deep · 88 km away
15. 1.56 km W of Cobb, CaliforniaThu, Oct 14, 1:46 AM PDT · 16057 days ago · 2 km deep · 59 km away
16. 1.73 km ENE of Alamo, CaliforniaTue, Oct 12, 10:47 PM PDT · 16059 days ago · 10 km deep · 72 km away
17. 2.04 km NNE of Fremont, CaliforniaSat, Oct 9, 3:59 AM PDT · 16062 days ago · 9 km deep · 98 km away
18. 1.68 km ESE of Hidden Valley Lake, CaliforniaFri, Oct 8, 11:58 PM PDT · 16063 days ago · 7 km deep · 53 km away
19. 1.811 km SSW of Hopland, CaliforniaFri, Oct 8, 5:45 PM PDT · 16063 days ago · 19 km deep · 80 km away
20. 1.71 km NE of Pacheco, CaliforniaFri, Oct 8, 6:05 AM PDT · 16063 days ago · 14 km deep · 57 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1080520. Read Wed, Sep 30, 2026, 8:01 PM UTC.