M1.9 earthquake 51 km ENE of Adak, Alaska
A magnitude 1.9 earthquake struck 51 km ENE of Adak, Alaska on Sun, Sep 5, 2021, 2:05 AM HADT (11:05 UTC), 163 km (101 mi) below the surface.
A larger quake followed: M3.3 67 km ESE of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (ml), micro
- Local time
- UTC
- 2021-09-05 11:05:36 UTC
- Depth
- 162.7 km (101.1 mi), intermediate-depth
- Epicenter
- 52.079° N, 175.956° 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
- 23
Nearby
Within 100 km, magnitude 1.5 and up: 91 in the 60 days after this one and 77 in the 30 days before it.
After
- 1.674 km ENE of Adak, Alaska · 1844 days ago · 149 km deep · 25 km away
- 1.561 km W of Atka, Alaska · 1844 days ago · 13 km deep · 59 km away
- 3.367 km ESE of Adak, Alaska · 1843 days ago · 39 km deep · 60 km away
- 1.774 km ENE of Adak, Alaska · 1843 days ago · 137 km deep · 24 km away
- 1.960 km ENE of Adak, Alaska · 1843 days ago · 150 km deep · 9 km away
- 1.663 km SSE of Adak, Alaska · 1843 days ago · 19 km deep · 81 km away
- 1.962 km SE of Adak, Alaska · 1843 days ago · 26 km deep · 72 km away
- 1.649 km SW of Adak, Alaska · 1842 days ago · 44 km deep · 99 km away
- 2.278 km ENE of Adak, Alaska · 1842 days ago · 236 km deep · 28 km away
- 1.739 km NE of Adak, Alaska · 1842 days ago · 132 km deep · 18 km away
- 1.651 km E of Adak, Alaska · 1841 days ago · 93 km deep · 15 km away
- 3.689 km SW of Atka, Alaska · 1840 days ago · 35 km deep · 83 km away
- 3.7101 km ESE of Adak, Alaska · 1840 days ago · 35 km deep · 83 km away
- 2.957 km SSE of Adak, Alaska · 1838 days ago · 35 km deep · 73 km away
- 1.756 km SE of Adak, Alaska · 1835 days ago · 13 km deep · 70 km away
- 1.660 km SE of Adak, Alaska · 1835 days ago · 13 km deep · 73 km away
- 2.543 km NW of Atka, Alaska · 1833 days ago · 216 km deep · 97 km away
- 3.224 km SSW of Adak, Alaska · 1832 days ago · 77 km deep · 70 km away
- 1.644 km SSW of Adak, Alaska · 1830 days ago · 36 km deep · 87 km away
- 1.777 km SE of Adak, Alaska · 1830 days ago · 23 km deep · 70 km away
- 1.541 km SSE of Adak, Alaska · 1830 days ago · 36 km deep · 65 km away
- 1.557 km ESE of Adak, Alaska · 1830 days ago · 44 km deep · 47 km away
- 1.883 km E of Adak, Alaska · 1830 days ago · 64 km deep · 47 km away
- 1.561 km ESE of Adak, Alaska · 1830 days ago · 44 km deep · 45 km away
- 2.970 km NE of Adak, Alaska · 1830 days ago · 228 km deep · 35 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1829 days ago · 36 km deep · 80 km away
- 2.182 km ENE of Adak, Alaska · 1829 days ago · 90 km deep · 32 km away
- 2.753 km SE of Adak, Alaska · 1827 days ago · 35 km deep · 66 km away
- 1.559 km SE of Adak, Alaska · 1827 days ago · 26 km deep · 63 km away
- 1.762 km SE of Adak, Alaska · 1827 days ago · 43 km deep · 64 km away
- 1.945 km NE of Adak, Alaska · 1826 days ago · 135 km deep · 18 km away
- 2.032 km E of Adak, Alaska · 1826 days ago · 75 km deep · 28 km away
- 1.619 km SSW of Adak, Alaska · 1826 days ago · 75 km deep · 68 km away
- 1.543 km S of Adak, Alaska · 1825 days ago · 43 km deep · 82 km away
- 1.876 km ESE of Adak, Alaska · 1824 days ago · 20 km deep · 60 km away
- 2.861 km SE of Adak, Alaska · 1823 days ago · 35 km deep · 74 km away
- 1.653 km SE of Adak, Alaska · 1822 days ago · 32 km deep · 59 km away
- 1.861 km SE of Adak, Alaska · 1821 days ago · 23 km deep · 66 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 · 57 km away
- 4.749 km NE of Adak, Alaska · 1818 days ago · 129 km deep · 19 km away
- 1.657 km ENE of Adak, Alaska · 1818 days ago · 86 km deep · 12 km away
- 1.763 km SE of Adak, Alaska · 1818 days ago · 27 km deep · 65 km away
- 1.926 km S of Adak, Alaska · 1817 days ago · 63 km deep · 65 km away
- 1.967 km SE of Adak, Alaska · 1817 days ago · 22 km deep · 62 km away
- 1.539 km SSE of Adak, Alaska · 1817 days ago · 26 km deep · 65 km away
- 1.841 km NE of Adak, Alaska · 1815 days ago · 3 km deep · 13 km away
- 1.975 km E of Adak, Alaska · 1815 days ago · 29 km deep · 41 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 · 31 km away
- 1.745 km W of Adak, Alaska · 1811 days ago · 92 km deep · 95 km away
- 3.884 km NE of Adak, Alaska · 1810 days ago · 182 km deep · 39 km away
- 3.863 km WSW of Atka, Alaska · 1810 days ago · 81 km deep · 68 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1810 days ago · 23 km deep · 71 km away
- 2.165 km E of Adak, Alaska · 1810 days ago · 29 km deep · 35 km away
- 3.746 km S of Adak, Alaska · 1808 days ago · 35 km deep · 84 km away
- 2.855 km S of Adak, Alaska · 1807 days ago · 32 km deep · 95 km away
- 3.144 km SSE of Adak, Alaska · 1806 days ago · 33 km deep · 64 km away
- 3.134 km WSW of Atka, Alaska · 1806 days ago · 138 km deep · 91 km away
- 1.646 km S of Adak, Alaska · 1805 days ago · 30 km deep · 78 km away
The first 60 of 91.
Before
- 1.570 km SSE of Adak, Alaska · 1845 days ago · 18 km deep · 90 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 · 1846 days ago · 58 km deep · 57 km away
- 1.560 km SE of Adak, Alaska · 1846 days ago · 27 km deep · 63 km away
- 1.710 km SSE of Adak, Alaska · 1847 days ago · 156 km deep · 54 km away
- 1.558 km SE of Adak, Alaska · 1847 days ago · 48 km deep · 63 km away
- 1.512 km SE of Adak, Alaska · 1848 days ago · 153 km deep · 48 km away
- 1.652 km ENE of Adak, Alaska · 1848 days ago · 148 km deep · 9 km away
- 1.641 km SSE of Adak, Alaska · 1848 days ago · 34 km deep · 66 km away
- 2.958 km E of Adak, Alaska · 1848 days ago · 156 km deep · 16 km away
- 3.262 km SE of Adak, Alaska · 1848 days ago · 26 km deep · 76 km away
- 3.246 km ENE of Adak, Alaska · 1848 days ago · 137 km deep · 5 km away
- 1.676 km ESE of Adak, Alaska · 1850 days ago · 19 km deep · 48 km away
- 3.684 km E of Adak, Alaska · 1850 days ago · 64 km deep · 47 km away
- 4.3116 km NW of Atka, Alaska · 1850 days ago · 255 km deep · 91 km away
- 2.717 km SE of Adak, Alaska · 1850 days ago · 112 km deep · 52 km away
- 1.748 km E of Adak, Alaska · 1851 days ago · 149 km deep · 28 km away
- 1.846 km NNW of Adak, Alaska · 1851 days ago · 138 km deep · 73 km away
- 1.658 km SE of Adak, Alaska · 1851 days ago · 33 km deep · 61 km away
- 1.772 km WSW of Atka, Alaska · 1852 days ago · 122 km deep · 49 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021bebuzjx. Read Thu, Sep 24, 2026, 8:29 AM UTC.