M1.9 earthquake 44 km E of Adak, Alaska
A magnitude 1.9 earthquake struck 44 km E of Adak, Alaska on Tue, Jul 13, 2021, 3:27 AM HADT (12:27 UTC), 125 km (78 mi) below the surface.
A larger quake followed: M4.1 77 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
- 1.9 (ml), micro
- Local time
- UTC
- 2021-07-13 12:27:23 UTC
- Depth
- 124.9 km (77.6 mi), intermediate-depth
- Epicenter
- 51.952° N, 176.006° 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: 192 in the 60 days after this one and 56 in the 30 days before it.
After
- 1.853 km ENE of Adak, Alaska · 1902 days ago · 146 km deep · 10 km away
- 1.654 km ENE of Adak, Alaska · 1901 days ago · 170 km deep · 15 km away
- 1.596 km SE of Adak, Alaska · 1901 days ago · 6 km deep · 76 km away
- 1.742 km ENE of Adak, Alaska · 1901 days ago · 4 km deep · 14 km away
- 1.782 km SE of Adak, Alaska · 1901 days ago · 22 km deep · 63 km away
- 1.571 km WSW of Atka, Alaska · 1900 days ago · 67 km deep · 63 km away
- 3.380 km E of Adak, Alaska · 1899 days ago · 10 km deep · 38 km away
- 2.012 km W of Adak, Alaska · 1899 days ago · 81 km deep · 56 km away
- 1.858 km WSW of Atka, Alaska · 1899 days ago · 73 km deep · 68 km away
- 1.847 km E of Adak, Alaska · 1898 days ago · 155 km deep · 4 km away
- 2.460 km NE of Adak, Alaska · 1898 days ago · 183 km deep · 36 km away
- 1.6Andreanof Islands, Aleutian Islands, Alaska · 1897 days ago · 26 km deep · 67 km away
- 3.982 km SW of Atka, Alaska · 1896 days ago · 49 km deep · 60 km away
- 1.849 km SW of Adak, Alaska · 1896 days ago · 28 km deep · 88 km away
- 1.617 km WSW of Adak, Alaska · 1895 days ago · 74 km deep · 61 km away
- 2.361 km ENE of Adak, Alaska · 1895 days ago · 101 km deep · 27 km away
- 2.6104 km SE of Adak, Alaska · 1895 days ago · 2 km deep · 92 km away
- 2.246 km S of Adak, Alaska · 1895 days ago · 29 km deep · 68 km away
- 1.983 km SW of Atka, Alaska · 1894 days ago · 26 km deep · 73 km away
- 3.766 km SSE of Adak, Alaska · 1894 days ago · 37 km deep · 78 km away
- 1.927 km SSW of Adak, Alaska · 1894 days ago · 63 km deep · 63 km away
- 2.183 km SE of Adak, Alaska · 1894 days ago · 21 km deep · 64 km away
- 1.531 km SSE of Adak, Alaska · 1894 days ago · 59 km deep · 52 km away
- 1.679 km SSE of Adak, Alaska · 1894 days ago · 18 km deep · 87 km away
- 1.667 km SE of Adak, Alaska · 1893 days ago · 22 km deep · 58 km away
- 2.095 km SSW of Atka, Alaska · 1893 days ago · 16 km deep · 94 km away
- 1.697 km SSW of Atka, Alaska · 1893 days ago · 26 km deep · 91 km away
- 1.815 km NE of Adak, Alaska · 1893 days ago · 99 km deep · 30 km away
- 1.775 km SW of Atka, Alaska · 1893 days ago · 35 km deep · 79 km away
- 2.882 km E of Adak, Alaska · 1892 days ago · 68 km deep · 40 km away
- 1.948 km E of Adak, Alaska · 1892 days ago · 178 km deep · 7 km away
- 1.968 km ENE of Adak, Alaska · 1892 days ago · 166 km deep · 25 km away
- 2.1Andreanof Islands, Aleutian Islands, Alaska · 1892 days ago · 63 km deep · 22 km away
- 1.867 km ENE of Adak, Alaska · 1891 days ago · 147 km deep · 24 km away
- 1.553 km S of Adak, Alaska · 1891 days ago · 25 km deep · 75 km away
- 3.238 km ENE of Adak, Alaska · 1891 days ago · 146 km deep · 12 km away
- 4.074 km S of Adak, Alaska · 1891 days ago · 35 km deep · 87 km away
- 2.267 km S of Adak, Alaska · 1891 days ago · 21 km deep · 85 km away
- 3.662 km S of Adak, Alaska · 1891 days ago · 55 km deep · 79 km away
- 1.986 km S of Adak, Alaska · 1891 days ago · 26 km deep · 99 km away
- 4.177 km S of Adak, Alaska · 1891 days ago · 29 km deep · 90 km away
- 2.190 km SW of Atka, Alaska · 1890 days ago · 42 km deep · 65 km away
- 1.568 km SW of Atka, Alaska · 1890 days ago · 28 km deep · 83 km away
- 1.585 km S of Adak, Alaska · 1890 days ago · 17 km deep · 99 km away
- 2.370 km S of Adak, Alaska · 1890 days ago · 21 km deep · 87 km away
- 2.291 km ESE of Adak, Alaska · 1890 days ago · 45 km deep · 53 km away
- 2.856 km E of Adak, Alaska · 1890 days ago · 67 km deep · 19 km away
- 3.869 km S of Adak, Alaska · 1890 days ago · 35 km deep · 85 km away
- 2.776 km S of Adak, Alaska · 1890 days ago · 20 km deep · 93 km away
- 1.773 km SSE of Adak, Alaska · 1890 days ago · 25 km deep · 81 km away
- 2.172 km S of Adak, Alaska · 1890 days ago · 26 km deep · 90 km away
- 3.647 km SE of Adak, Alaska · 1889 days ago · 48 km deep · 48 km away
- 1.978 km ENE of Adak, Alaska · 1889 days ago · 166 km deep · 39 km away
- 3.079 km ENE of Adak, Alaska · 1889 days ago · 191 km deep · 42 km away
- 2.045 km WSW of Adak, Alaska · 1888 days ago · 70 km deep · 88 km away
- 1.650 km ENE of Adak, Alaska · 1888 days ago · 148 km deep · 16 km away
- 1.776 km ENE of Adak, Alaska · 1888 days ago · 179 km deep · 34 km away
- 1.570 km S of Adak, Alaska · 1888 days ago · 21 km deep · 88 km away
- 1.715 km E of Adak, AK · 1887 days ago · 76 km deep · 30 km away
- 3.035 km S of Adak, Alaska · 1887 days ago · 46 km deep · 58 km away
The first 60 of 192.
Before
- 1.6Andreanof Islands, Aleutian Islands, Alaska · 1902 days ago · 33 km deep · 100 km away
- 2.075 km ENE of Adak, Alaska · 1902 days ago · 94 km deep · 32 km away
- 1.544 km SSE of Adak, Alaska · 1902 days ago · 32 km deep · 56 km away
- 1.858 km SSE of Adak, Alaska · 1903 days ago · 18 km deep · 62 km away
- 2.857 km ESE of Adak, Alaska · 1903 days ago · 38 km deep · 35 km away
- 3.059 km ESE of Adak, Alaska · 1903 days ago · 38 km deep · 38 km away
- 2.653 km ESE of Adak, Alaska · 1903 days ago · 43 km deep · 29 km away
- 2.462 km ESE of Adak, Alaska · 1904 days ago · 32 km deep · 41 km away
- 2.955 km ESE of Adak, Alaska · 1904 days ago · 44 km deep · 31 km away
- 5.049 km ESE of Adak, Alaska · 1904 days ago · 58 km deep · 21 km away · felt by 3
- 1.580 km ESE of Adak, Alaska · 1905 days ago · 25 km deep · 54 km away
- 1.782 km ESE of Adak, Alaska · 1905 days ago · 26 km deep · 56 km away
- 1.878 km SSW of Atka, Alaska · 1905 days ago · 14 km deep · 100 km away
- 1.8111 km SSW of Atka, Alaska · 1905 days ago · 26 km deep · 99 km away
- 2.350 km NE of Adak, Alaska · 1905 days ago · 201 km deep · 28 km away
- 1.560 km S of Adak, Alaska · 1905 days ago · 29 km deep · 87 km away
- 1.569 km SE of Adak, Alaska · 1905 days ago · 22 km deep · 51 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 1905 days ago · 16 km deep · 68 km away
- 2.191 km SW of Atka, Alaska · 1905 days ago · 26 km deep · 66 km away
- 1.648 km S of Adak, Alaska · 1905 days ago · 13 km deep · 67 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0218x1kd6b. Read Sun, Sep 27, 2026, 6:35 AM UTC.