M2.0 earthquake 66 km NE of Adak, Alaska
A magnitude 2.0 earthquake struck 66 km NE of Adak, Alaska on Fri, Jul 30, 2021, 9:04 PM HADT (06:04 UTC), 217 km (135 mi) below the surface.
A larger quake followed: M4.3 116 km NW 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
- 2.0 (ml), micro
- Local time
- UTC
- 2021-07-31 06:04:39 UTC
- Depth
- 217.4 km (135.1 mi), intermediate-depth
- Epicenter
- 52.331° N, 176.008° 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
- 17
Nearby
Within 100 km, magnitude 1.5 and up: 94 in the 60 days after this one and 74 in the 30 days before it.
After
- 3.054 km ESE of Adak, Alaska · 1884 days ago · 42 km deep · 75 km away
- 1.658 km SE of Adak, Alaska · 1883 days ago · 26 km deep · 95 km away
- 3.517 km SE of Adak, Alaska · 1883 days ago · 69 km deep · 67 km away
- 3.244 km SSE of Adak, Alaska · 1883 days ago · 44 km deep · 97 km away
- 1.520 km SSW of Adak, Alaska · 1881 days ago · 74 km deep · 87 km away
- 1.559 km SE of Adak, Alaska · 1881 days ago · 23 km deep · 99 km away
- 1.765 km SE of Adak, Alaska · 1880 days ago · 24 km deep · 96 km away
- 1.977 km NE of Adak, Alaska · 1879 days ago · 138 km deep · 12 km away
- 3.072 km ESE of Adak, Alaska · 1877 days ago · 62 km deep · 80 km away
- 1.867 km WSW of Atka, Alaska · 1877 days ago · 69 km deep · 80 km away
- 3.054 km SE of Adak, Alaska · 1874 days ago · 35 km deep · 94 km away
- 2.744 km SSE of Adak, Alaska · 1874 days ago · 35 km deep · 94 km away
- 1.535 km W of Adak, Alaska · 1873 days ago · 93 km deep · 92 km away
- 3.764 km SE of Adak, Alaska · 1873 days ago · 35 km deep · 95 km away
- 3.028 km WSW of Atka, Alaska · 1872 days ago · 71 km deep · 99 km away
- 1.741 km ENE of Adak, Alaska · 1872 days ago · 6 km deep · 31 km away
- 1.574 km E of Adak, Alaska · 1872 days ago · 22 km deep · 67 km away
- 3.142 km S of Adak, Alaska · 1871 days ago · 69 km deep · 100 km away
- 2.9Andreanof Islands, Aleutian Islands, Alaska · 1871 days ago · 33 km deep · 99 km away
- 1.620 km SE of Adak, Alaska · 1871 days ago · 71 km deep · 73 km away
- 1.560 km SE of Adak, Alaska · 1871 days ago · 22 km deep · 99 km away
- 3.183 km E of Adak, Alaska · 1869 days ago · 73 km deep · 72 km away
- 1.514 km SSE of Adak, Alaska · 1866 days ago · 80 km deep · 73 km away
- 1.573 km WSW of Atka, Alaska · 1866 days ago · 64 km deep · 72 km away
- 1.654 km WNW of Adak, Alaska · 1866 days ago · 128 km deep · 99 km away
- 2.053 km ENE of Adak, Alaska · 1865 days ago · 146 km deep · 31 km away
- 1.863 km W of Atka, Alaska · 1865 days ago · 170 km deep · 61 km away
- 3.464 km SE of Adak, Alaska · 1865 days ago · 35 km deep · 96 km away
- 1.610 km SW of Adak, Alaska · 1863 days ago · 81 km deep · 77 km away
- 1.915 km NE of Adak, Alaska · 1862 days ago · 151 km deep · 50 km away
- 1.664 km ENE of Adak, Alaska · 1862 days ago · 12 km deep · 32 km away
- 3.067 km E of Adak, Alaska · 1862 days ago · 71 km deep · 60 km away
- 1.657 km ENE of Adak, Alaska · 1861 days ago · 175 km deep · 24 km away
- 1.645 km E of Adak, Alaska · 1861 days ago · 68 km deep · 58 km away
- 1.696 km ESE of Adak, Alaska · 1860 days ago · 26 km deep · 92 km away
- 2.020 km WSW of Adak, Alaska · 1860 days ago · 77 km deep · 84 km away
- 2.8Andreanof Islands, Aleutian Islands, Alaska · 1860 days ago · 219 km deep · 87 km away
- 1.871 km E of Adak, Alaska · 1859 days ago · 149 km deep · 58 km away
- 1.675 km SE of Adak, Alaska · 1859 days ago · 18 km deep · 100 km away
- 3.668 km ESE of Adak, Alaska · 1859 days ago · 35 km deep · 87 km away
- 1.829 km SSE of Adak, Alaska · 1859 days ago · 45 km deep · 83 km away
- 1.773 km WSW of Atka, Alaska · 1858 days ago · 73 km deep · 66 km away
- 1.796 km ESE of Adak, Alaska · 1858 days ago · 29 km deep · 93 km away
- 3.534 km S of Adak, Alaska · 1856 days ago · 46 km deep · 93 km away
- 1.942 km NE of Adak, Alaska · 1856 days ago · 189 km deep · 24 km away
- 1.578 km W of Atka, Alaska · 1856 days ago · 110 km deep · 53 km away
- 1.772 km WSW of Atka, Alaska · 1855 days ago · 122 km deep · 61 km away
- 1.658 km SE of Adak, Alaska · 1855 days ago · 33 km deep · 89 km away
- 1.846 km NNW of Adak, Alaska · 1855 days ago · 138 km deep · 69 km away
- 1.748 km E of Adak, Alaska · 1854 days ago · 149 km deep · 56 km away
- 2.717 km SE of Adak, Alaska · 1854 days ago · 112 km deep · 73 km away
- 4.3116 km NW of Atka, Alaska · 1854 days ago · 255 km deep · 67 km away
- 3.684 km E of Adak, Alaska · 1854 days ago · 64 km deep · 70 km away
- 1.676 km ESE of Adak, Alaska · 1854 days ago · 19 km deep · 74 km away
- 3.246 km ENE of Adak, Alaska · 1852 days ago · 137 km deep · 31 km away
- 2.958 km E of Adak, Alaska · 1852 days ago · 156 km deep · 42 km away
- 1.641 km SSE of Adak, Alaska · 1852 days ago · 34 km deep · 91 km away
- 1.652 km ENE of Adak, Alaska · 1852 days ago · 148 km deep · 37 km away
- 1.512 km SE of Adak, Alaska · 1851 days ago · 153 km deep · 67 km away
- 1.558 km SE of Adak, Alaska · 1851 days ago · 48 km deep · 91 km away
The first 60 of 94.
Before
- 1.666 km SE of Adak, Alaska · 1885 days ago · 26 km deep · 97 km away
- 2.989 km NNE of Adak, Alaska · 1885 days ago · 212 km deep · 27 km away
- 1.685 km WSW of Atka, Alaska · 1885 days ago · 78 km deep · 58 km away
- 1.954 km ENE of Adak, Alaska · 1885 days ago · 211 km deep · 27 km away
- 3.074 km NW of Atka, Alaska · 1885 days ago · 206 km deep · 83 km away
- 1.519 km WNW of Adak, Alaska · 1885 days ago · 86 km deep · 74 km away
- 2.055 km ENE of Adak, Alaska · 1886 days ago · 179 km deep · 36 km away
- 3.172 km ENE of Adak, Alaska · 1886 days ago · 98 km deep · 36 km away
- 1.682 km ENE of Adak, Alaska · 1886 days ago · 13 km deep · 45 km away
- 1.837 km ENE of Adak, Alaska · 1887 days ago · 147 km deep · 34 km away
- 3.344 km NNE of Adak, Alaska · 1888 days ago · 211 km deep · 35 km away
- 1.860 km SE of Adak, Alaska · 1888 days ago · 26 km deep · 91 km away
- 3.035 km S of Adak, Alaska · 1888 days ago · 46 km deep · 94 km away
- 1.715 km E of Adak, AK · 1888 days ago · 76 km deep · 60 km away
- 1.776 km ENE of Adak, Alaska · 1889 days ago · 179 km deep · 38 km away
- 1.650 km ENE of Adak, Alaska · 1889 days ago · 148 km deep · 26 km away
- 3.079 km ENE of Adak, Alaska · 1889 days ago · 191 km deep · 25 km away
- 1.978 km ENE of Adak, Alaska · 1889 days ago · 166 km deep · 28 km away
- 3.647 km SE of Adak, Alaska · 1890 days ago · 48 km deep · 89 km away
- 2.856 km E of Adak, Alaska · 1891 days ago · 67 km deep · 57 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0219qpj48c. Read Sun, Sep 27, 2026, 9:45 PM UTC.