M2.2 earthquake 29 km SE of Adin, California

Magnitude

2.2 (md), micro

Local time

Mon, Oct 28, 1985, 5:01 PM PST

UTC

1985-10-29 01:01:54 UTC

Depth

3.0 km (1.9 mi), shallow

Epicenter

40.993° N, 120.712° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.5 km horizontally, 15.3 km in depth

Magnitude uncertainty

±0.11

Depth from

From location

Station coverage gap

292°, poorly surrounded by stations

Stations used

6

• California Pines, CaliforniaPopulation 520. Forecast46 kmS
• Susanville, CaliforniaPopulation 15,247. Forecast64 kmN
• Chico, CaliforniaPopulation 121,345. Forecast170 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast802 kmNNW

After

1. 2.28 km ENE of Likely, CaliforniaMon, Oct 28, 9:26 PM PST · 14939 days ago · 3 km deep · 39 km away
2. 1.913 km E of Mineral, CaliforniaTue, Oct 29, 4:52 PM PST · 14938 days ago · 3 km deep · 93 km away
3. 1.712 km SSW of Old Station, CaliforniaTue, Oct 29, 4:53 PM PST · 14938 days ago · 3 km deep · 81 km away
4. 3.525 km S of Eagleville, CaliforniaTue, Oct 29, 7:24 PM PST · 14938 days ago · 5 km deep · 47 km away
5. 1.90 km N of Susanville, CaliforniaWed, Oct 30, 7:57 PM PST · 14937 days ago · -1 km deep · 64 km away
6. 1.64 km SSW of Prattville, CaliforniaSun, Nov 3, 3:24 AM PST · 14933 days ago · 6 km deep · 99 km away
7. 1.89 km W of Lake Almanor West, CaliforniaFri, Nov 8, 11:13 PM PST · 14928 days ago · 10 km deep · 99 km away
8. 1.810 km NNE of Mineral, CaliforniaMon, Nov 11, 1:48 PM PST · 14925 days ago · 7 km deep · 94 km away
9. 1.910 km NNE of Mineral, CaliforniaMon, Nov 11, 1:55 PM PST · 14925 days ago · 6 km deep · 94 km away
10. 1.934 km NW of Susanville, CaliforniaMon, Nov 18, 3:10 AM PST · 14918 days ago · 3 km deep · 43 km away
11. 2.332 km NNW of Susanville, CaliforniaWed, Nov 20, 5:18 AM PST · 14916 days ago · 4 km deep · 37 km away
12. 1.62 km NNW of Greenville, CaliforniaMon, Nov 25, 3:32 PM PST · 14911 days ago · 0 km deep · 95 km away
13. 1.74 km WNW of Greenville, CaliforniaThu, Dec 12, 2:27 PM PST · 14894 days ago · 0 km deep · 97 km away
14. 2.113 km NNE of Mineral, CaliforniaFri, Dec 13, 10:22 PM PST · 14893 days ago · 3 km deep · 92 km away
15. 2.33 km SE of Canyondam, CaliforniaMon, Dec 16, 7:53 PM PST · 14890 days ago · 4 km deep · 98 km away
16. 1.713 km NNE of Old Station, CaliforniaMon, Dec 23, 9:22 PM PST · 14883 days ago · 3 km deep · 59 km away
17. 1.53 km N of Lake Almanor West, CaliforniaTue, Dec 24, 9:43 AM PST · 14882 days ago · 5 km deep · 91 km away
18. 1.61 km NW of Lake Almanor West, CaliforniaTue, Dec 24, 9:59 AM PST · 14882 days ago · 2 km deep · 94 km away

Before

1. 3.014km WSW of Reederville, NVMon, Oct 28, 4:23 PM PST · 14939 days ago · 2 km deep · 51 km away
2. 1.99 km NNW of Cassel, CaliforniaFri, Oct 25, 7:02 AM PDT · 14942 days ago · 16 km deep · 74 km away
3. 1.83 km SSW of Susanville, CaliforniaWed, Oct 23, 2:20 AM PDT · 14944 days ago · 2 km deep · 67 km away
4. 2.31 km NNE of Susanville, CaliforniaWed, Oct 23, 2:02 AM PDT · 14945 days ago · 0 km deep · 63 km away
5. 1.59 km NW of Chester, CaliforniaSun, Oct 20, 4:22 AM PDT · 14947 days ago · 8 km deep · 85 km away
6. 1.614 km NNW of Mineral, CaliforniaSun, Oct 20, 4:21 AM PDT · 14947 days ago · 4 km deep · 98 km away
7. 1.514 km NNE of Mineral, CaliforniaSun, Oct 20, 4:19 AM PDT · 14947 days ago · 12 km deep · 90 km away
8. 3.09 km WNW of Chester, CaliforniaSat, Oct 19, 3:20 AM PDT · 14948 days ago · 0 km deep · 89 km away
9. 2.03 km WNW of Greenville, CaliforniaFri, Oct 18, 2:07 PM PDT · 14949 days ago · 0 km deep · 96 km away
10. 1.524 km NNW of Susanville, CaliforniaTue, Oct 15, 8:29 PM PDT · 14952 days ago · 2 km deep · 44 km away
11. 2.010 km NE of Greenville, CaliforniaMon, Oct 14, 4:10 PM PDT · 14953 days ago · 7 km deep · 89 km away
12. 1.56 km N of Old Station, CaliforniaSat, Oct 12, 12:08 PM PDT · 14955 days ago · 16 km deep · 67 km away
13. 2.03 km ENE of Canyondam, CaliforniaWed, Oct 9, 5:37 PM PDT · 14958 days ago · 3 km deep · 94 km away
14. 2.98 km N of Old Station, CaliforniaWed, Oct 9, 9:45 AM PDT · 14958 days ago · 7 km deep · 66 km away
15. 2.25km S of Likely, CASun, Oct 6, 4:05 PM PDT · 14961 days ago · 14 km deep · 28 km away
16. 2.313 km SSW of Likely, CaliforniaSun, Oct 6, 4:03 PM PDT · 14961 days ago · 22 km deep · 18 km away
17. 1.52 km ESE of Prattville, CaliforniaTue, Oct 1, 1:19 PM PDT · 14966 days ago · 14 km deep · 95 km away
18. 2.12 km ESE of Hamilton Branch, CaliforniaMon, Sep 30, 5:39 AM PDT · 14967 days ago · 7 km deep · 87 km away
19. 1.54 km NNW of Lake Almanor Peninsula, CaliforniaSun, Sep 29, 3:14 AM PDT · 14968 days ago · 16 km deep · 85 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc57832. Read Tue, Sep 22, 2026, 8:49 PM UTC.