M1.8 earthquake 112 km SW of Adak, Alaska
A magnitude 1.8 earthquake struck 112 km SW of Adak, Alaska on Wed, Oct 6, 2021, 8:53 PM HADT (05:53 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M2.5 105 km WSW 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
- 1.8 (ml), micro
- Local time
- UTC
- 2021-10-07 05:53:02 UTC
- Depth
- 18.3 km (11.4 mi), shallow
- Epicenter
- 51.081° N, 177.630° 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
- 21
Nearby
Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 64 in the 30 days before it.
After
- 1.6111 km SW of Adak, Alaska · 1813 days ago · 26 km deep · 5 km away
- 1.6106 km SW of Adak, Alaska · 1813 days ago · 23 km deep · 24 km away
- 1.6111 km SW of Adak, Alaska · 1813 days ago · 15 km deep · 11 km away
- 1.8121 km SW of Adak, Alaska · 1813 days ago · 21 km deep · 30 km away
- 2.5105 km WSW of Adak, Alaska · 1813 days ago · 48 km deep · 49 km away
- 2.9132 km WSW of Adak, Alaska · 1812 days ago · 10 km deep · 84 km away
- 1.981 km WSW of Adak, Alaska · 1812 days ago · 30 km deep · 50 km away
- 3.270 km SW of Adak, Alaska · 1812 days ago · 49 km deep · 45 km away
- 1.745 km W of Adak, Alaska · 1811 days ago · 92 km deep · 85 km away
- 2.6128 km WSW of Adak, Alaska · 1810 days ago · 19 km deep · 70 km away
- 2.6154 km WSW of Adak, Alaska · 1810 days ago · 21 km deep · 94 km away
- 1.782 km W of Adak, Alaska · 1810 days ago · 10 km deep · 88 km away
- 3.0116 km WSW of Adak, Alaska · 1809 days ago · 34 km deep · 55 km away
- 1.769 km WSW of Adak, Alaska · 1809 days ago · 25 km deep · 60 km away
- 2.961 km SSW of Adak, Alaska · 1809 days ago · 51 km deep · 60 km away
- 3.746 km S of Adak, Alaska · 1808 days ago · 35 km deep · 80 km away
- 2.855 km S of Adak, Alaska · 1807 days ago · 32 km deep · 70 km away
- 1.990 km SW of Adak, Alaska · 1807 days ago · 16 km deep · 36 km away
- 3.2157 km SW of Adak, Alaska · 1806 days ago · 33 km deep · 46 km away
- 1.646 km S of Adak, Alaska · 1805 days ago · 30 km deep · 88 km away
- 1.8Andreanof Islands, Aleutian Islands, Alaska · 1805 days ago · 26 km deep · 22 km away
- 1.652 km SW of Adak, Alaska · 1805 days ago · 39 km deep · 60 km away
- 1.7117 km WSW of Adak, Alaska · 1797 days ago · 29 km deep · 53 km away
- 1.8123 km WSW of Adak, Alaska · 1797 days ago · 17 km deep · 53 km away
- 1.854 km SW of Adak, Alaska · 1797 days ago · 43 km deep · 58 km away
- 2.072 km W of Adak, Alaska · 1795 days ago · 77 km deep · 76 km away
- 1.8126 km WSW of Adak, Alaska · 1795 days ago · 11 km deep · 79 km away
- 2.0108 km W of Adak, Alaska · 1795 days ago · 83 km deep · 97 km away
- 1.7127 km WSW of Adak, Alaska · 1795 days ago · 7 km deep · 76 km away
- 1.760 km W of Adak, Alaska · 1794 days ago · 89 km deep · 84 km away
- 1.843 km SSE of Adak, Alaska · 1793 days ago · 37 km deep · 94 km away
- 3.2141 km WSW of Adak, Alaska · 1793 days ago · 31 km deep · 57 km away
- 1.9123 km SW of Adak, Alaska · 1792 days ago · 22 km deep · 26 km away
- 1.7100 km WSW of Adak, Alaska · 1792 days ago · 63 km deep · 57 km away
- 3.2118 km SSW of Adak, Alaska · 1792 days ago · 33 km deep · 43 km away
- 3.6Andreanof Islands, Aleutian Islands, Alaska · 1792 days ago · 82 km deep · 87 km away
- 1.972 km WSW of Adak, Alaska · 1791 days ago · 66 km deep · 63 km away
- 1.752 km SW of Adak, Alaska · 1791 days ago · 38 km deep · 60 km away
- 2.949 km SSW of Adak, Alaska · 1791 days ago · 50 km deep · 70 km away
- 3.8119 km WSW of Adak, Alaska · 1791 days ago · 88 km deep · 70 km away
- 1.8147 km WSW of Adak, Alaska · 1790 days ago · 29 km deep · 63 km away
- 1.8135 km SW of Adak, Alaska · 1789 days ago · 26 km deep · 35 km away
- 3.775 km SW of Adak, Alaska · 1789 days ago · 35 km deep · 36 km away
- 2.3178 km S of Adak, Alaska · 1788 days ago · 20 km deep · 93 km away
- 1.6Andreanof Islands, Aleutian Islands, Alaska · 1788 days ago · 8 km deep · 87 km away
- 2.087 km S of Adak, Alaska · 1786 days ago · 16 km deep · 83 km away
- 2.076 km WSW of Adak, Alaska · 1785 days ago · 26 km deep · 47 km away
- 3.6108 km WSW of Adak, Alaska · 1785 days ago · 34 km deep · 41 km away
- 1.684 km W of Adak, Alaska · 1785 days ago · 13 km deep · 88 km away
- 1.5100 km WSW of Adak, Alaska · 1784 days ago · 22 km deep · 71 km away
- 1.560 km SSW of Adak, Alaska · 1784 days ago · 32 km deep · 55 km away
- 1.665 km SSE of Adak, Alaska · 1784 days ago · 25 km deep · 100 km away
- 2.5159 km WSW of Adak, Alaska · 1783 days ago · 72 km deep · 87 km away
- 1.698 km SW of Adak, Alaska · 1783 days ago · 45 km deep · 29 km away
- 2.080 km WSW of Adak, Alaska · 1782 days ago · 26 km deep · 46 km away
- 1.853 km S of Adak, Alaska · 1782 days ago · 26 km deep · 80 km away
- 3.1161 km WSW of Adak, Alaska · 1781 days ago · 10 km deep · 82 km away
- 1.946 km SSE of Adak, Alaska · 1781 days ago · 40 km deep · 90 km away
- 1.9169 km WSW of Adak, Alaska · 1781 days ago · 21 km deep · 87 km away
- 1.862 km W of Adak, Alaska · 1781 days ago · 87 km deep · 81 km away
The first 60 of 135.
Before
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1813 days ago · 24 km deep · 49 km away
- 2.5134 km WSW of Adak, Alaska · 1814 days ago · 21 km deep · 87 km away
- 2.3130 km SW of Adak, Alaska · 1814 days ago · 28 km deep · 29 km away
- 1.9132 km WSW of Adak, Alaska · 1815 days ago · 7 km deep · 85 km away
- 3.1140 km SW of Adak, Alaska · 1815 days ago · 28 km deep · 43 km away
- 1.8133 km SW of Adak, Alaska · 1816 days ago · 25 km deep · 45 km away
- 1.9175 km WSW of Adak, Alaska · 1817 days ago · 20 km deep · 88 km away
- 3.9116 km WSW of Adak, Alaska · 1817 days ago · 35 km deep · 39 km away
- 1.926 km S of Adak, Alaska · 1817 days ago · 63 km deep · 96 km away
- 2.7116 km WSW of Adak, Alaska · 1818 days ago · 13 km deep · 61 km away
- 1.7144 km WSW of Adak, Alaska · 1818 days ago · 24 km deep · 64 km away
- 2.1102 km WSW of Adak, Alaska · 1820 days ago · 8 km deep · 61 km away
- 3.1135 km WSW of Adak, Alaska · 1821 days ago · 30 km deep · 47 km away
- 2.3179 km SSW of Adak, Alaska · 1821 days ago · 25 km deep · 69 km away
- 1.663 km SSW of Adak, Alaska · 1822 days ago · 20 km deep · 51 km away
- 3.9177 km SSW of Adak, Alaska · 1822 days ago · 10 km deep · 66 km away
- 1.7Andreanof Islands, Aleutian Islands, Alaska · 1823 days ago · 21 km deep · 97 km away
- 1.8133 km W of Adak, Alaska · 1823 days ago · 8 km deep · 93 km away
- 2.1110 km SW of Adak, Alaska · 1824 days ago · 26 km deep · 18 km away
- 1.543 km S of Adak, Alaska · 1825 days ago · 43 km deep · 82 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021cv5rph5. Read Thu, Sep 24, 2026, 8:51 AM UTC.