M1.7 earthquake 39 km NE of Adak, Alaska
A magnitude 1.7 earthquake struck 39 km NE of Adak, Alaska on Wed, Sep 8, 2021, 3:11 AM HADT (12:11 UTC), 132 km (82 mi) below the surface.
A larger quake followed: M3.6 89 km SW of Atka, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (ml), micro
- Local time
- UTC
- 2021-09-08 12:11:21 UTC
- Depth
- 131.8 km (81.9 mi), intermediate-depth
- Epicenter
- 52.109° N, 176.212° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 27
Nearby
Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 87 in the 30 days before it.
After
- 1.651 km E of Adak, Alaska · 1841 days ago · 93 km deep · 27 km away
- 3.689 km SW of Atka, Alaska · 1840 days ago · 35 km deep · 98 km away
- 3.7101 km ESE of Adak, Alaska · 1840 days ago · 35 km deep · 96 km away
- 2.957 km SSE of Adak, Alaska · 1838 days ago · 35 km deep · 74 km away
- 1.553 km SW of Adak, Alaska · 1836 days ago · 46 km deep · 92 km away
- 1.756 km SE of Adak, Alaska · 1835 days ago · 13 km deep · 72 km away
- 1.660 km SE of Adak, Alaska · 1835 days ago · 13 km deep · 76 km away
- 3.224 km SSW of Adak, Alaska · 1832 days ago · 77 km deep · 61 km away
- 1.644 km SSW of Adak, Alaska · 1830 days ago · 36 km deep · 79 km away
- 1.777 km SE of Adak, Alaska · 1830 days ago · 23 km deep · 79 km away
- 1.541 km SSE of Adak, Alaska · 1830 days ago · 36 km deep · 63 km away
- 1.557 km ESE of Adak, Alaska · 1830 days ago · 44 km deep · 55 km away
- 1.883 km E of Adak, Alaska · 1830 days ago · 64 km deep · 63 km away
- 1.561 km ESE of Adak, Alaska · 1830 days ago · 44 km deep · 55 km away
- 2.970 km NE of Adak, Alaska · 1829 days ago · 228 km deep · 33 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1829 days ago · 36 km deep · 96 km away
- 2.182 km ENE of Adak, Alaska · 1829 days ago · 90 km deep · 48 km away
- 2.753 km SE of Adak, Alaska · 1827 days ago · 35 km deep · 68 km away
- 1.559 km SE of Adak, Alaska · 1827 days ago · 26 km deep · 68 km away
- 1.762 km SE of Adak, Alaska · 1827 days ago · 43 km deep · 70 km away
- 1.945 km NE of Adak, Alaska · 1826 days ago · 135 km deep · 7 km away
- 2.032 km E of Adak, Alaska · 1826 days ago · 75 km deep · 27 km away
- 1.619 km SSW of Adak, Alaska · 1826 days ago · 75 km deep · 57 km away
- 1.543 km S of Adak, Alaska · 1825 days ago · 43 km deep · 76 km away
- 1.876 km ESE of Adak, Alaska · 1824 days ago · 20 km deep · 71 km away
- 2.861 km SE of Adak, Alaska · 1823 days ago · 35 km deep · 77 km away
- 1.653 km SE of Adak, Alaska · 1822 days ago · 32 km deep · 62 km away
- 1.861 km SE of Adak, Alaska · 1821 days ago · 23 km deep · 71 km away
- 3.837 km ENE of Adak, Alaska · 1819 days ago · 128 km deep · 16 km away
- 2.623 km SSE of Adak, Alaska · 1819 days ago · 69 km deep · 51 km away
- 4.749 km NE of Adak, Alaska · 1818 days ago · 129 km deep · 12 km away
- 1.657 km ENE of Adak, Alaska · 1818 days ago · 86 km deep · 29 km away
- 1.763 km SE of Adak, Alaska · 1818 days ago · 27 km deep · 71 km away
- 1.926 km S of Adak, Alaska · 1817 days ago · 63 km deep · 58 km away
- 1.967 km SE of Adak, Alaska · 1816 days ago · 22 km deep · 70 km away
- 1.539 km SSE of Adak, Alaska · 1816 days ago · 26 km deep · 63 km away
- 1.841 km NE of Adak, Alaska · 1815 days ago · 3 km deep · 5 km away
- 1.975 km E of Adak, Alaska · 1815 days ago · 29 km deep · 57 km away
- 3.340 km SE of Adak, Alaska · 1812 days ago · 35 km deep · 56 km away
- 1.966 km E of Adak, Alaska · 1811 days ago · 62 km deep · 46 km away
- 1.745 km W of Adak, Alaska · 1811 days ago · 92 km deep · 80 km away
- 3.884 km NE of Adak, Alaska · 1810 days ago · 182 km deep · 45 km away
- 3.863 km WSW of Atka, Alaska · 1810 days ago · 81 km deep · 86 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1810 days ago · 23 km deep · 73 km away
- 2.165 km E of Adak, Alaska · 1809 days ago · 29 km deep · 48 km away
- 2.961 km SSW of Adak, Alaska · 1809 days ago · 51 km deep · 97 km away
- 3.746 km S of Adak, Alaska · 1808 days ago · 35 km deep · 79 km away
- 2.855 km S of Adak, Alaska · 1807 days ago · 32 km deep · 89 km away
- 3.144 km SSE of Adak, Alaska · 1806 days ago · 33 km deep · 64 km away
- 1.646 km S of Adak, Alaska · 1805 days ago · 30 km deep · 75 km away
- 1.890 km ESE of Adak, Alaska · 1805 days ago · 54 km deep · 76 km away
- 1.959 km WNW of Atka, Alaska · 1805 days ago · 108 km deep · 91 km away
- 2.560 km SE of Adak, Alaska · 1804 days ago · 36 km deep · 77 km away
- 1.652 km SW of Adak, Alaska · 1804 days ago · 39 km deep · 91 km away
- 2.885 km ESE of Adak, Alaska · 1804 days ago · 52 km deep · 71 km away
- 3.050 km ESE of Adak, Alaska · 1800 days ago · 3 km deep · 46 km away · felt by 1
- 3.693 km ESE of Adak, Alaska · 1799 days ago · 24 km deep · 79 km away
- 2.469 km WNW of Atka, Alaska · 1797 days ago · 120 km deep · 77 km away
- 1.854 km SW of Adak, Alaska · 1797 days ago · 43 km deep · 93 km away
- 2.081 km ENE of Adak, Alaska · 1796 days ago · 115 km deep · 50 km away
The first 60 of 89.
Before
- 2.278 km ENE of Adak, Alaska · 1842 days ago · 236 km deep · 45 km away
- 1.649 km SW of Adak, Alaska · 1842 days ago · 44 km deep · 89 km away
- 1.962 km SE of Adak, Alaska · 1842 days ago · 26 km deep · 75 km away
- 1.663 km SSE of Adak, Alaska · 1843 days ago · 19 km deep · 82 km away
- 1.960 km ENE of Adak, Alaska · 1843 days ago · 150 km deep · 27 km away
- 1.774 km ENE of Adak, Alaska · 1843 days ago · 137 km deep · 42 km away
- 3.367 km ESE of Adak, Alaska · 1843 days ago · 39 km deep · 68 km away
- 1.561 km W of Atka, Alaska · 1844 days ago · 13 km deep · 76 km away
- 1.674 km ENE of Adak, Alaska · 1844 days ago · 149 km deep · 42 km away
- 1.951 km ENE of Adak, Alaska · 1845 days ago · 163 km deep · 18 km away
- 1.570 km SSE of Adak, Alaska · 1845 days ago · 18 km deep · 91 km away
- 1.933 km ESE of Adak, Alaska · 1845 days ago · 61 km deep · 43 km away
- 2.588 km ESE of Adak, Alaska · 1845 days ago · 58 km deep · 73 km away
- 1.560 km SE of Adak, Alaska · 1846 days ago · 27 km deep · 68 km away
- 1.710 km SSE of Adak, Alaska · 1847 days ago · 156 km deep · 44 km away
- 1.558 km SE of Adak, Alaska · 1847 days ago · 48 km deep · 67 km away
- 1.512 km SE of Adak, Alaska · 1848 days ago · 153 km deep · 39 km away
- 1.652 km ENE of Adak, Alaska · 1848 days ago · 148 km deep · 24 km away
- 1.641 km SSE of Adak, Alaska · 1848 days ago · 34 km deep · 64 km away
- 2.958 km E of Adak, Alaska · 1848 days ago · 156 km deep · 32 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021bjb3ppm. Read Thu, Sep 24, 2026, 4:59 AM UTC.