M1.8 earthquake 73 km SSW of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Sat, Sep 12, 2026, 10:28 PM HADT

UTC

2026-09-13 07:28:46 UTC

Depth

49.8 km (30.9 mi), shallow

Epicenter

51.299° N, 177.165° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 20.7 km horizontally, 16.0 km in depth

Magnitude uncertainty

±0.10

Station coverage gap

267°, poorly surrounded by stations

Stations used

14

After

1. 2.7123 km SW of Adak, AlaskaSat, Sep 12, 10:46 PM HADT · 10 days ago · 21 km deep · 67 km away
2. 2.1123 km SW of Adak, AlaskaSat, Sep 12, 11:08 PM HADT · 10 days ago · 23 km deep · 66 km away
3. 2.1135 km SW of Adak, AlaskaSat, Sep 12, 11:28 PM HADT · 10 days ago · 23 km deep · 63 km away
4. 3.5134 km SW of Adak, AlaskaSun, Sep 13, 1:02 AM HADT · 10 days ago · 20 km deep · 67 km away
5. 2.173 km SSW of Adak, AlaskaSun, Sep 13, 4:33 AM HADT · 9 days ago · 29 km deep · 12 km away
6. 2.2138 km SW of Adak, AlaskaSun, Sep 13, 7:45 AM HADT · 9 days ago · 27 km deep · 75 km away
7. 1.946 km SSE of Adak, AlaskaSun, Sep 13, 8:17 AM HADT · 9 days ago · 34 km deep · 60 km away
8. 1.759 km SSW of Adak, AlaskaSun, Sep 13, 8:31 AM HADT · 9 days ago · 36 km deep · 26 km away
9. 2.3158 km SW of Adak, AlaskaSun, Sep 13, 12:56 PM HADT · 9 days ago · 15 km deep · 97 km away
10. 1.837 km ESE of Adak, AlaskaSun, Sep 13, 2:34 PM HADT · 9 days ago · 67 km deep · 82 km away
11. 2.0122 km SW of Adak, AlaskaSun, Sep 13, 3:05 PM HADT · 9 days ago · 36 km deep · 63 km away
12. 2.077 km SSW of Adak, AlaskaSun, Sep 13, 3:42 PM HADT · 9 days ago · 32 km deep · 12 km away
13. 2.679 km SSE of Adak, AlaskaSun, Sep 13, 7:38 PM HADT · 9 days ago · 10 km deep · 56 km away
14. 2.156 km SW of Adak, AlaskaMon, Sep 14, 7:43 AM HADT · 8 days ago · 18 km deep · 20 km away
15. 2.555 km SE of Adak, AlaskaMon, Sep 14, 3:35 PM HADT · 8 days ago · 37 km deep · 75 km away
16. 3.0134 km SW of Adak, AlaskaMon, Sep 14, 4:41 PM HADT · 8 days ago · 15 km deep · 63 km away
17. 1.813 km SW of Adak, AlaskaTue, Sep 15, 12:40 AM HADT · 8 days ago · 86 km deep · 60 km away
18. 3.1113 km SW of Adak, AlaskaTue, Sep 15, 2:50 AM HADT · 7 days ago · 35 km deep · 53 km away
19. 3.048 km SE of Adak, AlaskaTue, Sep 15, 10:46 PM HADT · 7 days ago · 56 km deep · 81 km away
20. 2.4134 km WSW of Adak, AlaskaWed, Sep 16, 5:21 AM HADT · 6 days ago · 29 km deep · 89 km away
21. 2.2103 km WSW of Adak, AlaskaWed, Sep 16, 9:37 AM HADT · 6 days ago · 20 km deep · 56 km away
22. 3.0132 km WSW of Adak, AlaskaWed, Sep 16, 9:49 AM HADT · 6 days ago · 36 km deep · 79 km away
23. 2.5135 km SW of Adak, AlaskaWed, Sep 16, 10:40 AM HADT · 6 days ago · 20 km deep · 76 km away
24. 2.666 km SE of Adak, AlaskaWed, Sep 16, 11:07 AM HADT · 6 days ago · 35 km deep · 96 km away
25. 2.9125 km WSW of Adak, AlaskaWed, Sep 16, 11:32 AM HADT · 6 days ago · 11 km deep · 72 km away
26. 2.4143 km SW of Adak, AlaskaThu, Sep 17, 12:43 AM HADT · 6 days ago · 33 km deep · 80 km away
27. 2.274 km SE of Adak, AlaskaThu, Sep 17, 5:12 AM HADT · 5 days ago · 27 km deep · 89 km away
28. 2.368 km S of Adak, AlaskaThu, Sep 17, 12:16 PM HADT · 5 days ago · 35 km deep · 29 km away
29. 3.5148 km WSW of Adak, AlaskaMon, Sep 21, 8:49 PM HADT · 17 hr ago · 0 km deep · 95 km away

Before

1. 2.084 km SSE of Adak, AlaskaSat, Sep 12, 10:10 PM HADT · 10 days ago · 7 km deep · 80 km away
2. 1.876 km SW of Adak, AlaskaSat, Sep 12, 9:02 PM HADT · 10 days ago · 34 km deep · 27 km away
3. 2.169 km SE of Adak, AlaskaSat, Sep 12, 8:42 PM HADT · 10 days ago · 38 km deep · 98 km away
4. 2.4130 km WSW of Adak, AlaskaSat, Sep 12, 6:54 PM HADT · 10 days ago · 28 km deep · 74 km away
5. 2.052 km SSE of Adak, AlaskaSat, Sep 12, 5:54 PM HADT · 10 days ago · 29 km deep · 61 km away
6. 3.9150 km WSW of Adak, AlaskaSat, Sep 12, 5:08 PM HADT · 10 days ago · 39 km deep · 95 km away
7. 1.7121 km WSW of Adak, AlaskaSat, Sep 12, 4:02 PM HADT · 10 days ago · 31 km deep · 79 km away
8. 2.071 km SSE of Adak, AlaskaSat, Sep 12, 11:08 AM HADT · 10 days ago · 23 km deep · 73 km away
9. 2.1116 km WSW of Adak, AlaskaSat, Sep 12, 7:19 AM HADT · 10 days ago · 17 km deep · 67 km away
10. 1.970 km SW of Adak, AlaskaSat, Sep 12, 7:15 AM HADT · 10 days ago · 21 km deep · 15 km away
11. 2.173 km SE of Adak, AlaskaSat, Sep 12, 2:09 AM HADT · 10 days ago · 27 km deep · 81 km away
12. 2.166 km S of Adak, AlaskaSat, Sep 12, 12:25 AM HADT · 11 days ago · 21 km deep · 46 km away
13. 2.7105 km SSE of Adak, AlaskaFri, Sep 11, 10:50 PM HADT · 11 days ago · 11 km deep · 82 km away
14. 2.6102 km SSE of Adak, AlaskaFri, Sep 11, 10:50 PM HADT · 11 days ago · 17 km deep · 80 km away
15. 3.248 km SSE of Adak, AlaskaFri, Sep 11, 10:16 PM HADT · 11 days ago · 26 km deep · 53 km away
16. 3.5151 km SW of Adak, AlaskaFri, Sep 11, 6:43 PM HADT · 11 days ago · 19 km deep · 92 km away
17. 2.3149 km WSW of Adak, AlaskaFri, Sep 11, 6:27 PM HADT · 11 days ago · 26 km deep · 91 km away
18. 2.287 km SW of Adak, AlaskaFri, Sep 11, 2:00 PM HADT · 11 days ago · 17 km deep · 27 km away
19. 2.6150 km SW of Adak, AlaskaFri, Sep 11, 12:41 PM HADT · 11 days ago · 15 km deep · 88 km away
20. 2.478 km SSE of Adak, AlaskaFri, Sep 11, 9:53 AM HADT · 11 days ago · 12 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event aka2026sdoofa. Read Tue, Sep 22, 2026, 10:30 PM UTC.