M1.8 earthquake 67 km WSW of Atka, Alaska
A magnitude 1.8 earthquake struck 67 km WSW of Atka, Alaska on Sat, Aug 7, 2021, 10:40 AM HADT (19:40 UTC), 69 km (43 mi) below the surface.
A larger quake followed: M3.6 112 km SSW 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
- 1.8 (ml), micro
- Local time
- UTC
- 2021-08-07 19:40:19 UTC
- Depth
- 69.4 km (43.1 mi), shallow
- Epicenter
- 51.911° N, 175.065° 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
- 18
Nearby
Within 100 km, magnitude 1.5 and up: 146 in the 60 days after this one and 53 in the 30 days before it.
After
- 3.6112 km SSW of Atka, Alaska · 1873 days ago · 11 km deep · 75 km away
- 2.6112 km SSW of Atka, Alaska · 1873 days ago · 11 km deep · 74 km away
- 3.9111 km SSW of Atka, Alaska · 1873 days ago · 27 km deep · 73 km away
- 2.0112 km SSW of Atka, Alaska · 1873 days ago · 12 km deep · 74 km away
- 1.930 km SSW of Atka, Alaska · 1872 days ago · 65 km deep · 43 km away
- 2.122 km SSW of Atka, Alaska · 1871 days ago · 152 km deep · 49 km away
- 3.054 km SE of Adak, Alaska · 1871 days ago · 35 km deep · 88 km away
- 2.744 km SSE of Adak, Alaska · 1871 days ago · 35 km deep · 99 km away
- 1.685 km SW of Atka, Alaska · 1870 days ago · 25 km deep · 31 km away
- 3.160 km SSW of Atka, Alaska · 1870 days ago · 224 km deep · 39 km away
- 1.813 km N of Atka, Alaska · 1870 days ago · 4 km deep · 74 km away
- 1.815 km N of Atka, Alaska · 1870 days ago · 3 km deep · 76 km away
- 2.114 km N of Atka, Alaska · 1870 days ago · 5 km deep · 75 km away
- 2.014 km N of Atka, Alaska · 1870 days ago · 5 km deep · 76 km away
- 1.513 km N of Atka, Alaska · 1870 days ago · 5 km deep · 74 km away
- 2.114 km N of Atka, Alaska · 1870 days ago · 4 km deep · 75 km away
- 2.315 km N of Atka, Alaska · 1870 days ago · 4 km deep · 76 km away
- 3.764 km SE of Adak, Alaska · 1870 days ago · 35 km deep · 79 km away
- 1.613 km N of Atka, Alaska · 1870 days ago · 5 km deep · 75 km away
- 2.015 km N of Atka, Alaska · 1870 days ago · 4 km deep · 77 km away
- 1.6116 km SSW of Atka, Alaska · 1869 days ago · 19 km deep · 80 km away
- 3.028 km WSW of Atka, Alaska · 1869 days ago · 71 km deep · 40 km away
- 1.741 km ENE of Adak, Alaska · 1869 days ago · 6 km deep · 73 km away
- 2.746 km S of Atka, Alaska · 1868 days ago · 35 km deep · 70 km away
- 1.574 km E of Adak, Alaska · 1868 days ago · 22 km deep · 37 km away
- 1.653 km SSW of Atka, Alaska · 1868 days ago · 15 km deep · 48 km away
- 1.620 km SE of Adak, Alaska · 1867 days ago · 71 km deep · 97 km away
- 1.560 km SE of Adak, Alaska · 1867 days ago · 22 km deep · 88 km away
- 3.183 km E of Adak, Alaska · 1865 days ago · 73 km deep · 28 km away
- 3.038 km SSE of Atka, Alaska · 1864 days ago · 67 km deep · 81 km away
- 1.573 km WSW of Atka, Alaska · 1862 days ago · 64 km deep · 8 km away
- 2.2103 km S of Atka, Alaska · 1862 days ago · 29 km deep · 98 km away
- 2.053 km ENE of Adak, Alaska · 1862 days ago · 146 km deep · 60 km away
- 1.863 km W of Atka, Alaska · 1862 days ago · 170 km deep · 35 km away
- 3.227 km E of Atka, Alaska · 1861 days ago · 19 km deep · 93 km away
- 3.464 km SE of Adak, Alaska · 1861 days ago · 35 km deep · 79 km away
- 2.829 km NNE of Atka, Alaska · 1861 days ago · 217 km deep · 90 km away
- 1.833 km E of Atka, Alaska · 1860 days ago · 13 km deep · 99 km away
- 1.742 km SW of Atka, Alaska · 1860 days ago · 53 km deep · 31 km away
- 2.853 km SSE of Atka, Alaska · 1860 days ago · 35 km deep · 83 km away
- 2.059 km SSE of Atka, Alaska · 1860 days ago · 15 km deep · 89 km away
- 3.2Andreanof Islands, Aleutian Islands, Alaska · 1859 days ago · 35 km deep · 41 km away
- 1.921 km SW of Atka, Alaska · 1859 days ago · 9 km deep · 47 km away
- 1.915 km NE of Adak, Alaska · 1859 days ago · 151 km deep · 97 km away
- 1.664 km ENE of Adak, Alaska · 1859 days ago · 12 km deep · 51 km away
- 2.318 km N of Atka, Alaska · 1859 days ago · 146 km deep · 80 km away
- 3.067 km E of Adak, Alaska · 1858 days ago · 71 km deep · 41 km away
- 1.980 km SE of Adak, Alaska · 1858 days ago · 26 km deep · 70 km away
- 1.934 km SSW of Atka, Alaska · 1858 days ago · 71 km deep · 41 km away
- 1.739 km ESE of Atka, Alaska · 1858 days ago · 23 km deep · 97 km away
- 1.657 km ENE of Adak, Alaska · 1857 days ago · 175 km deep · 62 km away
- 1.529 km ESE of Atka, Alaska · 1857 days ago · 36 km deep · 90 km away
- 1.74 km NNE of Atka, Alaska · 1857 days ago · 129 km deep · 71 km away
- 1.645 km E of Adak, Alaska · 1857 days ago · 68 km deep · 64 km away
- 1.696 km ESE of Adak, Alaska · 1856 days ago · 26 km deep · 34 km away
- 2.8Andreanof Islands, Aleutian Islands, Alaska · 1856 days ago · 219 km deep · 47 km away
- 1.871 km E of Adak, Alaska · 1856 days ago · 149 km deep · 37 km away
- 1.675 km SE of Adak, Alaska · 1855 days ago · 18 km deep · 73 km away
- 1.542 km ESE of Atka, Alaska · 1855 days ago · 14 km deep · 96 km away
- 3.668 km ESE of Adak, Alaska · 1855 days ago · 35 km deep · 63 km away
The first 60 of 146.
Before
- 3.072 km ESE of Adak, Alaska · 1874 days ago · 62 km deep · 50 km away
- 2.0120 km SSW of Atka, Alaska · 1874 days ago · 21 km deep · 70 km away
- 1.9123 km SSW of Atka, Alaska · 1874 days ago · 26 km deep · 74 km away
- 2.766 km S of Atka, Alaska · 1874 days ago · 35 km deep · 71 km away
- 1.969 km SE of Adak, Alaska · 1875 days ago · 39 km deep · 81 km away
- 1.977 km NE of Adak, Alaska · 1875 days ago · 138 km deep · 86 km away
- 1.565 km SSE of Adak, Alaska · 1876 days ago · 20 km deep · 98 km away
- 3.672 km SE of Adak, Alaska · 1876 days ago · 30 km deep · 83 km away
- 1.765 km SE of Adak, Alaska · 1876 days ago · 24 km deep · 78 km away
- 1.727 km E of Atka, Alaska · 1877 days ago · 5 km deep · 92 km away
- 3.150 km S of Atka, Alaska · 1877 days ago · 10 km deep · 62 km away
- 1.559 km SE of Adak, Alaska · 1877 days ago · 23 km deep · 88 km away
- 3.110 km NW of Atka, Alaska · 1878 days ago · 210 km deep · 64 km away
- 3.517 km SE of Adak, Alaska · 1879 days ago · 69 km deep · 95 km away
- 1.911 km S of Atka, Alaska · 1879 days ago · 74 km deep · 61 km away
- 2.741 km SSW of Atka, Alaska · 1879 days ago · 210 km deep · 39 km away
- 1.658 km SE of Adak, Alaska · 1880 days ago · 26 km deep · 86 km away
- 1.912 km S of Atka, Alaska · 1880 days ago · 24 km deep · 62 km away
- 3.054 km ESE of Adak, Alaska · 1881 days ago · 42 km deep · 66 km away
- 2.066 km NE of Adak, Alaska · 1881 days ago · 217 km deep · 80 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021a2i8us5. Read Thu, Sep 24, 2026, 7:33 AM UTC.