M2.1 earthquake 90 km SW of Atka, Alaska
A magnitude 2.1 earthquake struck 90 km SW of Atka, Alaska on Sat, Jul 24, 2021, 12:02 PM HADT (21:02 UTC), 42 km (26 mi) below the surface.
A larger quake followed: M2.2 91 km ESE 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
- 2.1 (ml), micro
- Local time
- UTC
- 2021-07-24 21:02:35 UTC
- Depth
- 41.6 km (25.8 mi), shallow
- Epicenter
- 51.654° N, 175.190° 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
- 25
Nearby
Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 33 in the 30 days before it.
After
- 1.568 km SW of Atka, Alaska · 1887 days ago · 28 km deep · 25 km away
- 2.291 km ESE of Adak, Alaska · 1887 days ago · 45 km deep · 12 km away
- 2.856 km E of Adak, Alaska · 1887 days ago · 67 km deep · 47 km away
- 1.773 km SSE of Adak, Alaska · 1887 days ago · 25 km deep · 89 km away
- 2.920 km WNW of Atka, Alaska · 1887 days ago · 201 km deep · 83 km away
- 3.647 km SE of Adak, Alaska · 1886 days ago · 48 km deep · 71 km away
- 1.978 km ENE of Adak, Alaska · 1886 days ago · 166 km deep · 70 km away
- 3.079 km ENE of Adak, Alaska · 1886 days ago · 191 km deep · 75 km away
- 1.650 km ENE of Adak, Alaska · 1885 days ago · 148 km deep · 74 km away
- 1.776 km ENE of Adak, Alaska · 1885 days ago · 179 km deep · 57 km away
- 1.715 km E of Adak, AK · 1885 days ago · 76 km deep · 87 km away
- 3.035 km S of Adak, Alaska · 1884 days ago · 46 km deep · 95 km away
- 1.860 km SE of Adak, Alaska · 1884 days ago · 26 km deep · 57 km away
- 1.837 km ENE of Adak, Alaska · 1883 days ago · 147 km deep · 79 km away
- 1.682 km ENE of Adak, Alaska · 1883 days ago · 13 km deep · 53 km away
- 1.643 km S of Adak, Alaska · 1883 days ago · 26 km deep · 99 km away
- 3.172 km ENE of Adak, Alaska · 1882 days ago · 98 km deep · 58 km away
- 2.055 km ENE of Adak, Alaska · 1882 days ago · 179 km deep · 61 km away
- 3.563 km SE of Adak, Alaska · 1882 days ago · 35 km deep · 67 km away
- 1.954 km ENE of Adak, Alaska · 1882 days ago · 211 km deep · 70 km away
- 1.685 km WSW of Atka, Alaska · 1882 days ago · 78 km deep · 38 km away
- 2.896 km SW of Atka, Alaska · 1882 days ago · 35 km deep · 9 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1882 days ago · 29 km deep · 68 km away
- 1.666 km SE of Adak, Alaska · 1881 days ago · 26 km deep · 56 km away
- 2.066 km NE of Adak, Alaska · 1881 days ago · 217 km deep · 94 km away
- 3.054 km ESE of Adak, Alaska · 1881 days ago · 42 km deep · 51 km away
- 1.912 km S of Atka, Alaska · 1880 days ago · 24 km deep · 83 km away
- 1.578 km SSE of Adak, Alaska · 1880 days ago · 19 km deep · 90 km away
- 1.749 km S of Adak, Alaska · 1880 days ago · 30 km deep · 98 km away
- 1.658 km SE of Adak, Alaska · 1880 days ago · 26 km deep · 66 km away
- 2.741 km SSW of Atka, Alaska · 1879 days ago · 210 km deep · 53 km away
- 1.911 km S of Atka, Alaska · 1879 days ago · 74 km deep · 82 km away
- 3.517 km SE of Adak, Alaska · 1879 days ago · 69 km deep · 86 km away
- 3.244 km SSE of Adak, Alaska · 1879 days ago · 44 km deep · 86 km away
- 3.110 km NW of Atka, Alaska · 1878 days ago · 210 km deep · 90 km away
- 1.559 km SE of Adak, Alaska · 1877 days ago · 23 km deep · 67 km away
- 3.150 km S of Atka, Alaska · 1877 days ago · 10 km deep · 69 km away
- 1.765 km SE of Adak, Alaska · 1876 days ago · 24 km deep · 56 km away
- 3.672 km SE of Adak, Alaska · 1876 days ago · 30 km deep · 59 km away
- 1.565 km SSE of Adak, Alaska · 1876 days ago · 20 km deep · 76 km away
- 1.969 km SE of Adak, Alaska · 1875 days ago · 39 km deep · 58 km away
- 2.766 km S of Atka, Alaska · 1875 days ago · 35 km deep · 71 km away
- 1.9123 km SSW of Atka, Alaska · 1874 days ago · 26 km deep · 46 km away
- 2.0120 km SSW of Atka, Alaska · 1874 days ago · 21 km deep · 42 km away
- 3.072 km ESE of Adak, Alaska · 1874 days ago · 62 km deep · 32 km away
- 1.867 km WSW of Atka, Alaska · 1874 days ago · 69 km deep · 30 km away
- 3.6112 km SSW of Atka, Alaska · 1873 days ago · 11 km deep · 52 km away
- 2.6112 km SSW of Atka, Alaska · 1873 days ago · 11 km deep · 50 km away
- 1.6101 km SSE of Adak, Alaska · 1873 days ago · 24 km deep · 85 km away
- 3.9111 km SSW of Atka, Alaska · 1873 days ago · 27 km deep · 49 km away
- 2.0112 km SSW of Atka, Alaska · 1873 days ago · 12 km deep · 50 km away
- 1.930 km SSW of Atka, Alaska · 1873 days ago · 65 km deep · 62 km away
- 1.774 km SSE of Adak, Alaska · 1871 days ago · 25 km deep · 82 km away
- 2.122 km SSW of Atka, Alaska · 1871 days ago · 152 km deep · 70 km away
- 3.054 km SE of Adak, Alaska · 1871 days ago · 35 km deep · 69 km away
- 2.744 km SSE of Adak, Alaska · 1871 days ago · 35 km deep · 82 km away
- 1.685 km SW of Atka, Alaska · 1871 days ago · 25 km deep · 11 km away
- 3.160 km SSW of Atka, Alaska · 1870 days ago · 224 km deep · 41 km away
- 1.813 km N of Atka, Alaska · 1870 days ago · 4 km deep · 99 km away
- 1.513 km N of Atka, Alaska · 1870 days ago · 5 km deep · 99 km away
The first 60 of 166.
Before
- 3.662 km S of Adak, Alaska · 1888 days ago · 55 km deep · 100 km away
- 4.074 km S of Adak, Alaska · 1888 days ago · 35 km deep · 99 km away
- 3.238 km ENE of Adak, Alaska · 1888 days ago · 146 km deep · 77 km away
- 1.867 km ENE of Adak, Alaska · 1889 days ago · 147 km deep · 55 km away
- 2.675 km S of Atka, Alaska · 1889 days ago · 22 km deep · 64 km away
- 2.153 km SE of Atka, Alaska · 1889 days ago · 17 km deep · 100 km away
- 2.1Andreanof Islands, Aleutian Islands, Alaska · 1889 days ago · 63 km deep · 52 km away
- 1.968 km ENE of Adak, Alaska · 1889 days ago · 166 km deep · 54 km away
- 1.948 km E of Adak, Alaska · 1889 days ago · 178 km deep · 59 km away
- 1.918 km WSW of Atka, Alaska · 1890 days ago · 147 km deep · 73 km away
- 2.882 km E of Adak, Alaska · 1890 days ago · 68 km deep · 30 km away
- 1.775 km SW of Atka, Alaska · 1890 days ago · 35 km deep · 18 km away
- 1.815 km NE of Adak, Alaska · 1890 days ago · 99 km deep · 93 km away
- 1.697 km SSW of Atka, Alaska · 1890 days ago · 26 km deep · 27 km away
- 2.095 km SSW of Atka, Alaska · 1890 days ago · 16 km deep · 30 km away
- 1.667 km SE of Adak, Alaska · 1890 days ago · 22 km deep · 60 km away
- 2.092 km S of Atka, Alaska · 1891 days ago · 19 km deep · 85 km away
- 1.679 km SSE of Adak, Alaska · 1891 days ago · 18 km deep · 93 km away
- 1.531 km SSE of Adak, Alaska · 1891 days ago · 59 km deep · 91 km away
- 2.183 km SE of Adak, Alaska · 1891 days ago · 21 km deep · 42 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0219fdor30. Read Thu, Sep 24, 2026, 9:54 AM UTC.