M1.5 earthquake 8 km NNW of Glennallen, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Sep 20, 2021, 9:56 AM AKDT

UTC

2021-09-20 17:56:44 UTC

Depth

19.9 km (12.4 mi), shallow

Epicenter

62.180° N, 145.584° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

40

• Valdez, AlaskaPopulation 3,870. Forecast123 kmNNE
• Knik-Fairview, AlaskaPopulation 14,923. Forecast223 kmENE
• Anchorage, AlaskaPopulation 289,600. Forecast251 kmENE

After

1. 1.611 km NE of Silver Springs, AlaskaWed, Sep 22, 7:04 PM AKDT · 1836 days ago · 53 km deep · 24 km away
2. 1.649 km W of Tonsina, AlaskaThu, Sep 23, 5:04 PM AKDT · 1835 days ago · 31 km deep · 67 km away
3. 2.141 km NNW of Valdez, AlaskaSat, Sep 25, 1:59 PM AKDT · 1833 days ago · 2 km deep · 92 km away
4. 1.811 km NNW of Glennallen, AlaskaSun, Sep 26, 4:24 AM AKDT · 1833 days ago · 16 km deep · 5 km away
5. 2.047 km SSE of Nelchina, AlaskaTue, Sep 28, 8:07 PM AKDT · 1830 days ago · 26 km deep · 74 km away
6. 1.749 km SSE of Nelchina, AlaskaWed, Sep 29, 8:48 PM AKDT · 1829 days ago · 18 km deep · 77 km away
7. 1.649 km SSE of Nelchina, AlaskaFri, Oct 1, 7:31 AM AKDT · 1828 days ago · 32 km deep · 75 km away
8. 1.646 km N of Valdez, AlaskaFri, Oct 1, 7:50 PM AKDT · 1827 days ago · 20 km deep · 79 km away
9. 1.550 km NNE of Valdez, AlaskaSat, Oct 2, 1:14 AM AKDT · 1827 days ago · 30 km deep · 74 km away
10. 1.537 km NNW of Valdez, AlaskaSun, Oct 3, 3:22 AM AKDT · 1826 days ago · 13 km deep · 95 km away
11. 1.648 km NNW of Valdez, AlaskaMon, Oct 4, 2:18 PM AKDT · 1824 days ago · 12 km deep · 95 km away
12. 1.840 km NNE of Kenny Lake, AlaskaThu, Oct 7, 12:49 AM AKDT · 1822 days ago · 9 km deep · 57 km away
13. 1.745 km NNW of Valdez, AlaskaThu, Oct 7, 7:58 AM AKDT · 1822 days ago · 7 km deep · 98 km away
14. 1.549 km NNW of Valdez, AlaskaThu, Oct 7, 4:04 PM AKDT · 1821 days ago · 19 km deep · 90 km away
15. 1.545 km NNW of Valdez, AlaskaTue, Oct 12, 11:18 AM AKDT · 1816 days ago · 15 km deep · 88 km away
16. 1.948 km N of Valdez, AlaskaWed, Oct 20, 4:57 AM AKDT · 1809 days ago · 17 km deep · 82 km away
17. 2.243 km WSW of Tonsina, AlaskaThu, Oct 21, 8:16 PM AKDT · 1807 days ago · 25 km deep · 72 km away
18. 2.038 km NNW of Valdez, AlaskaThu, Oct 21, 11:29 PM AKDT · 1807 days ago · 12 km deep · 95 km away
19. 1.647 km N of Valdez, AlaskaMon, Oct 25, 10:43 PM AKDT · 1803 days ago · 25 km deep · 86 km away
20. 1.545 km NNW of Valdez, AlaskaWed, Oct 27, 4:17 AM AKDT · 1802 days ago · 43 km deep · 89 km away
21. 2.739 km NNW of Valdez, AlaskaFri, Oct 29, 5:27 AM AKDT · 1800 days ago · 26 km deep · 92 km away
22. 1.740 km NNW of Valdez, AlaskaSat, Oct 30, 11:23 AM AKDT · 1798 days ago · 20 km deep · 94 km away
23. 2.142 km N of Valdez, AlaskaSun, Oct 31, 9:53 PM AKDT · 1797 days ago · 20 km deep · 86 km away
24. 1.844 km NNW of Valdez, AlaskaSat, Nov 6, 10:38 PM AKDT · 1791 days ago · 15 km deep · 89 km away
25. 1.546 km SSE of Nelchina, AlaskaMon, Nov 8, 5:16 AM AKST · 1790 days ago · 25 km deep · 72 km away
26. 2.249 km SSE of Nelchina, AlaskaTue, Nov 9, 8:53 AM AKST · 1788 days ago · 15 km deep · 81 km away
27. 2.244 km SSE of Nelchina, AlaskaWed, Nov 10, 2:29 AM AKST · 1788 days ago · 23 km deep · 81 km away
28. 1.546 km N of Valdez, AlaskaThu, Nov 11, 7:44 AM AKST · 1786 days ago · 36 km deep · 80 km away
29. 2.744 km N of Valdez, AlaskaThu, Nov 11, 3:06 PM AKST · 1786 days ago · 27 km deep · 86 km away
30. 2.038 km N of Valdez, AlaskaThu, Nov 11, 6:12 PM AKST · 1786 days ago · 33 km deep · 91 km away
31. 1.526 km NNE of Valdez, AlaskaMon, Nov 15, 12:01 AM AKST · 1783 days ago · 21 km deep · 97 km away
32. 1.630 km NE of Valdez, AlaskaMon, Nov 15, 2:32 AM AKST · 1783 days ago · 20 km deep · 96 km away

Before

1. 1.525 km S of Eureka Roadhouse, AlaskaFri, Sep 17, 5:58 AM AKDT · 1842 days ago · 30 km deep · 97 km away
2. 2.630 km NNE of Valdez, AlaskaThu, Sep 16, 12:59 PM AKDT · 1842 days ago · 28 km deep · 93 km away
3. 1.613 km NNW of Glennallen, AlaskaTue, Sep 14, 5:26 PM AKDT · 1844 days ago · 16 km deep · 7 km away
4. 3.614 km NW of Glennallen, AlaskaTue, Sep 14, 1:51 PM AKDT · 1844 days ago · 12 km deep · 8 km away · felt by 16
5. 1.548 km N of Valdez, AlaskaSun, Sep 12, 2:48 PM AKDT · 1846 days ago · 30 km deep · 78 km away
6. 2.048 km SSE of Nelchina, AlaskaSun, Sep 12, 2:17 PM AKDT · 1846 days ago · 25 km deep · 76 km away
7. 1.551 km NNE of Chitina, AlaskaSun, Sep 12, 9:51 AM AKDT · 1846 days ago · 7 km deep · 85 km away
8. 1.634 km SSE of Nelchina, AlaskaSat, Sep 11, 5:28 AM AKDT · 1848 days ago · 27 km deep · 74 km away
9. 1.748 km N of Valdez, AlaskaFri, Sep 10, 4:04 PM AKDT · 1848 days ago · 28 km deep · 82 km away
10. 3.347 km SSE of Nelchina, AlaskaThu, Sep 9, 5:26 PM AKDT · 1849 days ago · 13 km deep · 83 km away
11. 1.750 km N of Valdez, AlaskaWed, Sep 8, 7:17 PM AKDT · 1850 days ago · 21 km deep · 77 km away
12. 2.348 km N of Valdez, AlaskaWed, Sep 8, 7:04 AM AKDT · 1851 days ago · 26 km deep · 79 km away
13. 1.946 km N of Valdez, AlaskaTue, Sep 7, 11:53 PM AKDT · 1851 days ago · 20 km deep · 82 km away
14. 1.543 km SSE of Nelchina, AlaskaSun, Sep 5, 4:22 AM AKDT · 1854 days ago · 34 km deep · 72 km away
15. 1.849 km SSE of Eureka Roadhouse, AlaskaFri, Sep 3, 11:17 PM AKDT · 1855 days ago · 8 km deep · 96 km away
16. 1.815 km WNW of Eureka Roadhouse, AlaskaFri, Aug 27, 8:17 PM AKDT · 1862 days ago · 33 km deep · 97 km away
17. 2.448 km N of Valdez, AlaskaThu, Aug 26, 9:29 AM AKDT · 1863 days ago · 14 km deep · 83 km away
18. 1.56 km SW of Eureka Roadhouse, AlaskaWed, Aug 25, 9:41 AM AKDT · 1864 days ago · 27 km deep · 92 km away
19. 1.548 km SSE of Nelchina, AlaskaWed, Aug 25, 3:40 AM AKDT · 1865 days ago · 23 km deep · 74 km away
20. 1.942 km S of Nelchina, AlaskaSun, Aug 22, 9:34 AM AKDT · 1867 days ago · 28 km deep · 85 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021c38sqnn. Read Sat, Oct 3, 2026, 3:39 AM UTC.