M1.9 earthquake 86 km S of Adak, Alaska
A magnitude 1.9 earthquake struck 86 km S of Adak, Alaska on Sat, Jul 24, 2021, 7:13 AM HADT (16:13 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M4.5 161 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
- 2021-07-24 16:13:50 UTC
- Depth
- 25.6 km (15.9 mi), shallow
- Epicenter
- 51.106° N, 176.467° 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
- 22
Nearby
Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 76 in the 30 days before it.
After
- 4.177 km S of Adak, Alaska · 1888 days ago · 29 km deep · 10 km away
- 1.585 km S of Adak, Alaska · 1888 days ago · 17 km deep · 2 km away
- 2.370 km S of Adak, Alaska · 1888 days ago · 21 km deep · 16 km away
- 2.063 km WSW of Adak, Alaska · 1888 days ago · 65 km deep · 90 km away
- 2.856 km E of Adak, Alaska · 1887 days ago · 67 km deep · 92 km away
- 3.869 km S of Adak, Alaska · 1887 days ago · 35 km deep · 17 km away
- 2.776 km S of Adak, Alaska · 1887 days ago · 20 km deep · 11 km away
- 1.773 km SSE of Adak, Alaska · 1887 days ago · 25 km deep · 19 km away
- 2.172 km S of Adak, Alaska · 1887 days ago · 26 km deep · 15 km away
- 1.687 km WSW of Adak, Alaska · 1886 days ago · 62 km deep · 98 km away
- 3.647 km SE of Adak, Alaska · 1886 days ago · 48 km deep · 52 km away
- 4.087 km S of Adak, Alaska · 1886 days ago · 10 km deep · 8 km away
- 3.889 km S of Adak, Alaska · 1886 days ago · 16 km deep · 4 km away
- 3.892 km S of Adak, Alaska · 1886 days ago · 14 km deep · 6 km away
- 3.988 km S of Adak, Alaska · 1886 days ago · 23 km deep · 2 km away
- 2.045 km WSW of Adak, Alaska · 1886 days ago · 70 km deep · 79 km away
- 1.587 km S of Adak, Alaska · 1885 days ago · 39 km deep · 1 km away
- 1.8164 km S of Adak, Alaska · 1885 days ago · 17 km deep · 83 km away
- 1.570 km S of Adak, Alaska · 1885 days ago · 21 km deep · 17 km away
- 1.715 km E of Adak, AK · 1885 days ago · 76 km deep · 83 km away
- 3.035 km S of Adak, Alaska · 1885 days ago · 46 km deep · 51 km away
- 1.860 km SE of Adak, Alaska · 1884 days ago · 26 km deep · 57 km away
- 1.9100 km SSE of Adak, Alaska · 1884 days ago · 14 km deep · 17 km away
- 3.044 km SSW of Adak, Alaska · 1884 days ago · 70 km deep · 55 km away
- 1.550 km WSW of Adak, Alaska · 1883 days ago · 74 km deep · 96 km away
- 1.781 km SW of Adak, Alaska · 1883 days ago · 25 km deep · 77 km away
- 1.643 km S of Adak, Alaska · 1883 days ago · 26 km deep · 43 km away
- 1.519 km WNW of Adak, Alaska · 1882 days ago · 86 km deep · 98 km away
- 3.563 km SE of Adak, Alaska · 1882 days ago · 35 km deep · 44 km away
- 1.568 km SSW of Adak, Alaska · 1882 days ago · 42 km deep · 52 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1882 days ago · 29 km deep · 43 km away
- 1.666 km SE of Adak, Alaska · 1882 days ago · 26 km deep · 54 km away
- 1.8Andreanof Islands, Aleutian Islands, Alaska · 1881 days ago · 18 km deep · 90 km away
- 3.054 km ESE of Adak, Alaska · 1881 days ago · 42 km deep · 72 km away
- 1.638 km SW of Adak, Alaska · 1881 days ago · 27 km deep · 70 km away
- 1.897 km S of Adak, Alaska · 1880 days ago · 26 km deep · 24 km away
- 1.578 km SSE of Adak, Alaska · 1880 days ago · 19 km deep · 17 km away
- 1.749 km S of Adak, Alaska · 1880 days ago · 30 km deep · 36 km away
- 1.658 km SE of Adak, Alaska · 1880 days ago · 26 km deep · 48 km away
- 3.517 km SE of Adak, Alaska · 1879 days ago · 69 km deep · 76 km away
- 3.244 km SSE of Adak, Alaska · 1879 days ago · 44 km deep · 44 km away
- 1.560 km SSW of Adak, Alaska · 1879 days ago · 36 km deep · 53 km away
- 1.582 km WSW of Adak, Alaska · 1879 days ago · 38 km deep · 93 km away
- 1.546 km WSW of Adak, Alaska · 1878 days ago · 75 km deep · 86 km away
- 1.694 km SW of Adak, Alaska · 1878 days ago · 23 km deep · 76 km away
- 1.520 km SSW of Adak, Alaska · 1878 days ago · 74 km deep · 70 km away
- 1.559 km SE of Adak, Alaska · 1878 days ago · 23 km deep · 45 km away
- 1.677 km SW of Adak, Alaska · 1877 days ago · 29 km deep · 85 km away
- 1.765 km SE of Adak, Alaska · 1877 days ago · 24 km deep · 55 km away
- 1.9180 km S of Adak, Alaska · 1877 days ago · 24 km deep · 95 km away
- 3.672 km SE of Adak, Alaska · 1876 days ago · 30 km deep · 49 km away
- 1.565 km SSE of Adak, Alaska · 1876 days ago · 20 km deep · 35 km away
- 2.874 km SW of Adak, Alaska · 1875 days ago · 61 km deep · 72 km away
- 1.969 km SE of Adak, Alaska · 1875 days ago · 39 km deep · 51 km away
- 1.545 km SSW of Adak, Alaska · 1875 days ago · 63 km deep · 57 km away
- 1.9123 km SSW of Atka, Alaska · 1874 days ago · 26 km deep · 95 km away
- 2.0120 km SSW of Atka, Alaska · 1874 days ago · 21 km deep · 95 km away
- 3.072 km ESE of Adak, Alaska · 1874 days ago · 62 km deep · 82 km away
- 1.889 km SW of Adak, Alaska · 1874 days ago · 33 km deep · 93 km away
- 1.646 km SW of Adak, Alaska · 1874 days ago · 48 km deep · 67 km away
The first 60 of 160.
Before
- 3.662 km S of Adak, Alaska · 1888 days ago · 55 km deep · 24 km away
- 2.267 km S of Adak, Alaska · 1888 days ago · 21 km deep · 19 km away
- 4.074 km S of Adak, Alaska · 1888 days ago · 35 km deep · 13 km away
- 1.9170 km SSW of Adak, Alaska · 1888 days ago · 26 km deep · 96 km away
- 1.553 km S of Adak, Alaska · 1888 days ago · 25 km deep · 34 km away
- 2.1Andreanof Islands, Aleutian Islands, Alaska · 1890 days ago · 63 km deep · 82 km away
- 1.948 km E of Adak, Alaska · 1890 days ago · 178 km deep · 97 km away
- 2.889 km SW of Adak, Alaska · 1890 days ago · 27 km deep · 70 km away
- 1.815 km NE of Adak, Alaska · 1890 days ago · 99 km deep · 95 km away
- 1.667 km SE of Adak, Alaska · 1890 days ago · 22 km deep · 50 km away
- 1.8110 km SW of Adak, Alaska · 1891 days ago · 19 km deep · 89 km away
- 1.679 km SSE of Adak, Alaska · 1891 days ago · 18 km deep · 15 km away
- 1.531 km SSE of Adak, Alaska · 1891 days ago · 59 km deep · 55 km away
- 2.183 km SE of Adak, Alaska · 1891 days ago · 21 km deep · 66 km away
- 1.586 km SW of Adak, Alaska · 1891 days ago · 34 km deep · 89 km away
- 1.927 km SSW of Adak, Alaska · 1891 days ago · 63 km deep · 62 km away
- 3.766 km SSE of Adak, Alaska · 1891 days ago · 37 km deep · 21 km away
- 3.694 km SSE of Adak, Alaska · 1892 days ago · 25 km deep · 11 km away
- 2.246 km S of Adak, Alaska · 1892 days ago · 29 km deep · 40 km away
- 2.6104 km SE of Adak, Alaska · 1892 days ago · 2 km deep · 56 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0219farz5k. Read Thu, Sep 24, 2026, 3:02 PM UTC.