M2.8 earthquake 56 km E of Adak, Alaska
A magnitude 2.8 earthquake struck 56 km E of Adak, Alaska on Sat, Jul 24, 2021, 8:26 PM HADT (05:26 UTC), 67 km (42 mi) below the surface.
A larger quake followed: M4.0 87 km S 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
- 2.8 (ml), micro
- Local time
- UTC
- 2021-07-25 05:26:29 UTC
- Depth
- 67.4 km (41.9 mi), shallow
- Epicenter
- 51.827° N, 175.817° 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
- 31
Nearby
Within 100 km, magnitude 1.5 and up: 175 in the 60 days after this one and 105 in the 30 days before it.
After
- 3.869 km S of Adak, Alaska · 1890 days ago · 35 km deep · 79 km away
- 2.776 km S of Adak, Alaska · 1890 days ago · 20 km deep · 88 km away
- 1.773 km SSE of Adak, Alaska · 1890 days ago · 25 km deep · 73 km away
- 2.172 km S of Adak, Alaska · 1890 days ago · 26 km deep · 85 km away
- 3.647 km SE of Adak, Alaska · 1889 days ago · 48 km deep · 41 km away
- 1.978 km ENE of Adak, Alaska · 1889 days ago · 166 km deep · 46 km away
- 4.087 km S of Adak, Alaska · 1889 days ago · 10 km deep · 98 km away
- 3.889 km S of Adak, Alaska · 1889 days ago · 16 km deep · 96 km away
- 3.079 km ENE of Adak, Alaska · 1889 days ago · 191 km deep · 50 km away
- 3.892 km S of Adak, Alaska · 1889 days ago · 14 km deep · 97 km away
- 3.988 km S of Adak, Alaska · 1889 days ago · 23 km deep · 94 km away
- 2.045 km WSW of Adak, Alaska · 1889 days ago · 70 km deep · 96 km away
- 1.650 km ENE of Adak, Alaska · 1889 days ago · 148 km deep · 32 km away
- 1.587 km S of Adak, Alaska · 1888 days ago · 39 km deep · 93 km away
- 1.776 km ENE of Adak, Alaska · 1888 days ago · 179 km deep · 35 km away
- 1.570 km S of Adak, Alaska · 1888 days ago · 21 km deep · 83 km away
- 1.715 km E of Adak, AK · 1888 days ago · 76 km deep · 41 km away
- 3.035 km S of Adak, Alaska · 1888 days ago · 46 km deep · 59 km away
- 1.860 km SE of Adak, Alaska · 1887 days ago · 26 km deep · 36 km away
- 3.344 km NNE of Adak, Alaska · 1887 days ago · 211 km deep · 68 km away
- 1.9100 km SSE of Adak, Alaska · 1887 days ago · 14 km deep · 99 km away
- 3.044 km SSW of Adak, Alaska · 1886 days ago · 70 km deep · 83 km away
- 1.837 km ENE of Adak, Alaska · 1886 days ago · 147 km deep · 33 km away
- 1.682 km ENE of Adak, Alaska · 1886 days ago · 13 km deep · 37 km away
- 1.643 km S of Adak, Alaska · 1886 days ago · 26 km deep · 66 km away
- 3.172 km ENE of Adak, Alaska · 1885 days ago · 98 km deep · 32 km away
- 2.055 km ENE of Adak, Alaska · 1885 days ago · 179 km deep · 21 km away
- 1.519 km WNW of Adak, Alaska · 1885 days ago · 86 km deep · 75 km away
- 3.563 km SE of Adak, Alaska · 1885 days ago · 35 km deep · 49 km away
- 1.954 km ENE of Adak, Alaska · 1885 days ago · 211 km deep · 30 km away
- 1.685 km WSW of Atka, Alaska · 1885 days ago · 78 km deep · 33 km away
- 2.896 km SW of Atka, Alaska · 1885 days ago · 35 km deep · 53 km away
- 2.989 km NNE of Adak, Alaska · 1885 days ago · 212 km deep · 84 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1885 days ago · 29 km deep · 49 km away
- 1.666 km SE of Adak, Alaska · 1884 days ago · 26 km deep · 42 km away
- 2.066 km NE of Adak, Alaska · 1884 days ago · 217 km deep · 57 km away
- 3.054 km ESE of Adak, Alaska · 1884 days ago · 42 km deep · 21 km away
- 1.638 km SW of Adak, Alaska · 1883 days ago · 27 km deep · 86 km away
- 1.578 km SSE of Adak, Alaska · 1883 days ago · 19 km deep · 76 km away
- 1.749 km S of Adak, Alaska · 1883 days ago · 30 km deep · 68 km away
- 1.658 km SE of Adak, Alaska · 1883 days ago · 26 km deep · 44 km away
- 2.741 km SSW of Atka, Alaska · 1882 days ago · 210 km deep · 90 km away
- 3.517 km SE of Adak, Alaska · 1882 days ago · 69 km deep · 42 km away
- 3.244 km SSE of Adak, Alaska · 1882 days ago · 44 km deep · 55 km away
- 1.560 km SSW of Adak, Alaska · 1882 days ago · 36 km deep · 98 km away
- 1.546 km WSW of Adak, Alaska · 1881 days ago · 75 km deep · 100 km away
- 1.520 km SSW of Adak, Alaska · 1881 days ago · 74 km deep · 67 km away
- 1.559 km SE of Adak, Alaska · 1880 days ago · 23 km deep · 47 km away
- 1.765 km SE of Adak, Alaska · 1880 days ago · 24 km deep · 40 km away
- 3.672 km SE of Adak, Alaska · 1879 days ago · 30 km deep · 49 km away
- 1.565 km SSE of Adak, Alaska · 1879 days ago · 20 km deep · 58 km away
- 1.977 km NE of Adak, Alaska · 1879 days ago · 138 km deep · 69 km away
- 1.969 km SE of Adak, Alaska · 1878 days ago · 39 km deep · 45 km away
- 1.545 km SSW of Adak, Alaska · 1878 days ago · 63 km deep · 86 km away
- 1.9123 km SSW of Atka, Alaska · 1877 days ago · 26 km deep · 81 km away
- 2.0120 km SSW of Atka, Alaska · 1877 days ago · 21 km deep · 77 km away
- 3.072 km ESE of Adak, Alaska · 1877 days ago · 62 km deep · 23 km away
- 1.867 km WSW of Atka, Alaska · 1877 days ago · 69 km deep · 52 km away
- 1.646 km SW of Adak, Alaska · 1877 days ago · 48 km deep · 93 km away
- 3.6112 km SSW of Atka, Alaska · 1876 days ago · 11 km deep · 95 km away
The first 60 of 175.
Before
- 2.291 km ESE of Adak, Alaska · 1890 days ago · 45 km deep · 36 km away
- 2.370 km S of Adak, Alaska · 1891 days ago · 21 km deep · 82 km away
- 1.585 km S of Adak, Alaska · 1891 days ago · 17 km deep · 92 km away
- 1.568 km SW of Atka, Alaska · 1891 days ago · 28 km deep · 67 km away
- 2.190 km SW of Atka, Alaska · 1891 days ago · 42 km deep · 47 km away
- 4.177 km S of Adak, Alaska · 1891 days ago · 29 km deep · 83 km away
- 1.986 km S of Adak, Alaska · 1891 days ago · 26 km deep · 92 km away
- 3.662 km S of Adak, Alaska · 1891 days ago · 55 km deep · 75 km away
- 2.267 km S of Adak, Alaska · 1891 days ago · 21 km deep · 80 km away
- 4.074 km S of Adak, Alaska · 1891 days ago · 35 km deep · 80 km away
- 3.238 km ENE of Adak, Alaska · 1891 days ago · 146 km deep · 31 km away
- 1.553 km S of Adak, Alaska · 1891 days ago · 25 km deep · 74 km away
- 1.867 km ENE of Adak, Alaska · 1892 days ago · 147 km deep · 25 km away
- 2.1Andreanof Islands, Aleutian Islands, Alaska · 1892 days ago · 63 km deep · 11 km away
- 1.968 km ENE of Adak, Alaska · 1893 days ago · 166 km deep · 25 km away
- 1.948 km E of Adak, Alaska · 1893 days ago · 178 km deep · 13 km away
- 1.918 km WSW of Atka, Alaska · 1893 days ago · 147 km deep · 100 km away
- 2.882 km E of Adak, Alaska · 1893 days ago · 68 km deep · 27 km away
- 1.775 km SW of Atka, Alaska · 1893 days ago · 35 km deep · 62 km away
- 1.815 km NE of Adak, Alaska · 1893 days ago · 99 km deep · 46 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0219gruan3. Read Sun, Sep 27, 2026, 1:21 PM UTC.