M2.3 earthquake 2 km NE of Anderson, California

Magnitude

2.3 (md), micro

Local time

Tue, Sep 10, 1985, 12:30 PM PDT

UTC

1985-09-10 19:30:53 UTC

Depth

61.5 km (38.2 mi), shallow

Epicenter

40.465° N, 122.279° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 2.3 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

171°

Stations used

10

• Anderson, CaliforniaPopulation 10,217. Forecast2 kmNE
• Chico, CaliforniaPopulation 121,345. Forecast90 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast797 kmNNW

After

1. 2.214 km SW of Trinity Center, CaliforniaWed, Sep 11, 4:52 AM PDT · 14986 days ago · 8 km deep · 67 km away
2. 2.27 km SE of Millville, CaliforniaThu, Sep 12, 9:15 PM PDT · 14985 days ago · 19 km deep · 15 km away
3. 1.713 km SE of Millville, CaliforniaFri, Sep 13, 7:49 AM PDT · 14984 days ago · 4 km deep · 18 km away
4. 1.619 km NNE of Shingletown, CaliforniaSun, Sep 15, 12:12 AM PDT · 14983 days ago · 13 km deep · 48 km away
5. 2.37 km SSE of Trinity Center, CaliforniaThu, Sep 19, 11:53 AM PDT · 14978 days ago · 4 km deep · 60 km away
6. 1.71 km SE of Chester, CaliforniaFri, Sep 20, 2:20 AM PDT · 14978 days ago · 3 km deep · 92 km away
7. 2.010 km NW of Cohasset, CaliforniaTue, Sep 24, 3:56 PM PDT · 14973 days ago · 5 km deep · 66 km away
8. 2.312 km NE of Vina, CaliforniaWed, Sep 25, 4:02 PM PDT · 14972 days ago · 0 km deep · 59 km away
9. 1.54 km NNW of Lake Almanor Peninsula, CaliforniaSun, Sep 29, 3:14 AM PDT · 14968 days ago · 16 km deep · 96 km away
10. 1.52 km ESE of Paynes Creek, CaliforniaSun, Sep 29, 5:33 AM PDT · 14968 days ago · 9 km deep · 36 km away
11. 1.813 km N of French Gulch, CaliforniaMon, Sep 30, 7:19 PM PDT · 14967 days ago · 40 km deep · 50 km away
12. 3.329 km SE of Ruth, CaliforniaTue, Oct 1, 4:59 AM PDT · 14966 days ago · 42 km deep · 77 km away
13. 2.19 km NE of Vina, CaliforniaTue, Oct 1, 4:42 PM PDT · 14966 days ago · 0 km deep · 59 km away
14. 2.115 km SE of McCloud, CaliforniaWed, Oct 2, 5:13 PM PDT · 14965 days ago · 11 km deep · 80 km away
15. 2.27 km NE of Redding, CaliforniaFri, Oct 4, 7:49 AM PDT · 14963 days ago · 29 km deep · 18 km away
16. 2.98 km N of Old Station, CaliforniaWed, Oct 9, 9:45 AM PDT · 14958 days ago · 7 km deep · 79 km away
17. 1.814 km WNW of Cohasset, CaliforniaWed, Oct 9, 4:10 PM PDT · 14958 days ago · 5 km deep · 63 km away
18. 1.56 km N of Old Station, CaliforniaSat, Oct 12, 12:08 PM PDT · 14955 days ago · 16 km deep · 78 km away
19. 2.610 km ENE of Artois, CaliforniaSat, Oct 12, 11:06 PM PDT · 14955 days ago · 22 km deep · 93 km away
20. 1.631 km WNW of Paskenta, CaliforniaMon, Oct 14, 1:51 AM PDT · 14954 days ago · 10 km deep · 69 km away
21. 2.26 km W of Mineral, CaliforniaMon, Oct 14, 12:20 PM PDT · 14953 days ago · 2 km deep · 53 km away
22. 3.09 km WNW of Chester, CaliforniaSat, Oct 19, 3:20 AM PDT · 14948 days ago · 0 km deep · 81 km away
23. 1.514 km NNE of Mineral, CaliforniaSun, Oct 20, 4:19 AM PDT · 14947 days ago · 12 km deep · 64 km away
24. 1.614 km NNW of Mineral, CaliforniaSun, Oct 20, 4:21 AM PDT · 14947 days ago · 4 km deep · 53 km away
25. 1.59 km NW of Chester, CaliforniaSun, Oct 20, 4:22 AM PDT · 14947 days ago · 8 km deep · 84 km away
26. 2.25 km NNW of Belden, CaliforniaTue, Oct 22, 9:04 AM PDT · 14945 days ago · 8 km deep · 97 km away
27. 2.410 km SSE of Hamilton City, CaliforniaThu, Oct 24, 10:21 PM PDT · 14943 days ago · 21 km deep · 94 km away
28. 1.99 km NNW of Cassel, CaliforniaFri, Oct 25, 7:02 AM PDT · 14942 days ago · 16 km deep · 82 km away
29. 2.34 km WSW of Chico, CaliforniaFri, Oct 25, 1:48 PM PDT · 14942 days ago · 22 km deep · 90 km away
30. 2.127 km E of Ruth, CaliforniaTue, Oct 29, 5:57 AM PST · 14938 days ago · 25 km deep · 65 km away
31. 1.913 km E of Mineral, CaliforniaTue, Oct 29, 4:52 PM PST · 14938 days ago · 3 km deep · 72 km away
32. 1.712 km SSW of Old Station, CaliforniaTue, Oct 29, 4:53 PM PST · 14938 days ago · 3 km deep · 67 km away
33. 2.61 km ESE of Lakehead, CaliforniaThu, Oct 31, 9:56 PM PST · 14936 days ago · 19 km deep · 49 km away
34. 2.05 km SSE of Red Bluff, CaliforniaFri, Nov 1, 6:10 AM PST · 14935 days ago · 6 km deep · 37 km away
35. 2.81 km ENE of Lakehead, CaliforniaFri, Nov 1, 9:53 AM PST · 14935 days ago · 18 km deep · 50 km away
36. 1.64 km SSW of Prattville, CaliforniaSun, Nov 3, 3:24 AM PST · 14933 days ago · 6 km deep · 99 km away
37. 3.30 km WSW of Tehama, CaliforniaSun, Nov 3, 5:02 AM PST · 14933 days ago · 71 km deep · 51 km away
38. 1.521 km W of Trinity Center, CaliforniaSun, Nov 3, 8:07 PM PST · 14933 days ago · 20 km deep · 79 km away
39. 2.025 km W of Paskenta, CaliforniaThu, Nov 7, 5:00 AM PST · 14929 days ago · -1 km deep · 79 km away
40. 1.89 km W of Lake Almanor West, CaliforniaFri, Nov 8, 11:13 PM PST · 14928 days ago · 10 km deep · 86 km away

Before

1. 1.721 km SW of Edgewood, CaliforniaMon, Sep 9, 2:03 PM PDT · 14988 days ago · 4 km deep · 98 km away
2. 1.74 km SE of Montgomery Creek, CaliforniaSun, Sep 8, 10:43 PM PDT · 14989 days ago · 17 km deep · 52 km away
3. 1.613 km NNE of Mineral, CaliforniaThu, Sep 5, 1:18 AM PDT · 14993 days ago · 2 km deep · 62 km away
4. 1.613 km NNE of Mineral, CaliforniaWed, Sep 4, 11:23 PM PDT · 14993 days ago · 2 km deep · 62 km away
5. 2.613 km NNE of Mineral, CaliforniaWed, Sep 4, 11:22 PM PDT · 14993 days ago · 2 km deep · 62 km away
6. 2.114 km NNE of Mineral, CaliforniaWed, Sep 4, 11:22 PM PDT · 14993 days ago · 2 km deep · 62 km away
7. 1.69 km WNW of Anderson, CaliforniaWed, Sep 4, 3:16 AM PDT · 14993 days ago · 6 km deep · 11 km away
8. 1.813 km ESE of Mineral, CaliforniaTue, Sep 3, 5:33 PM PDT · 14994 days ago · 8 km deep · 73 km away
9. 1.63 km NNW of Belden, CaliforniaMon, Sep 2, 1:01 AM PDT · 14996 days ago · 1 km deep · 99 km away
10. 1.99 km NNW of Old Station, CaliforniaMon, Aug 26, 9:11 AM PDT · 15002 days ago · 6 km deep · 74 km away
11. 1.64 km N of Belden, CaliforniaSun, Aug 25, 8:01 PM PDT · 15003 days ago · 4 km deep · 99 km away
12. 3.24 km N of Belden, CaliforniaSun, Aug 25, 3:28 AM PDT · 15003 days ago · 0 km deep · 99 km away
13. 1.94 km NW of Lake Almanor Country Club, CaliforniaFri, Aug 23, 10:14 PM PDT · 15005 days ago · 5 km deep · 95 km away
14. 1.99 km WNW of Cohasset, CaliforniaThu, Aug 22, 4:22 PM PDT · 15006 days ago · 16 km deep · 68 km away
15. 1.96km ESE of Millville, CAThu, Aug 22, 8:09 AM PDT · 15006 days ago · 17 km deep · 16 km away
16. 2.08 km NE of Vina, CaliforniaFri, Aug 16, 3:33 PM PDT · 15012 days ago · 1 km deep · 59 km away
17. 2.39 km SE of Rancho Tehama Reserve, CaliforniaTue, Aug 13, 12:24 AM PDT · 15016 days ago · 5 km deep · 56 km away
18. 2.18km NNW of French Gulch, CAMon, Aug 12, 9:48 PM PDT · 15016 days ago · 19 km deep · 47 km away
19. 1.84 km S of Hamilton City, CaliforniaMon, Aug 12, 7:10 PM PDT · 15016 days ago · 5 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc55747. Read Tue, Sep 22, 2026, 8:50 PM UTC.