M2.4 earthquake 291 km WSW of Adak, Alaska
A magnitude 2.4 earthquake struck 291 km WSW of Adak, Alaska on Sat, Jul 17, 2021, 2:58 PM GMT+12 (02:58 UTC), 38 km (23 mi) below the surface.
A larger quake followed: M3.9 220 km WSW 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
- 2.4 (ml), micro
- Local time
- UTC
- 2021-07-17 02:58:16 UTC
- Depth
- 37.5 km (23.3 mi), shallow
- Epicenter
- 51.202° N, 179.308° E
- 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: 142 in the 60 days after this one and 33 in the 30 days before it.
After
- 2.5Rat Islands, Aleutian Islands, Alaska · 1897 days ago · 22 km deep · 56 km away
- 2.0Rat Islands, Aleutian Islands, Alaska · 1896 days ago · 30 km deep · 45 km away
- 1.8Rat Islands, Aleutian Islands, Alaska · 1896 days ago · 22 km deep · 18 km away
- 2.0237 km WSW of Adak, Alaska · 1895 days ago · 10 km deep · 61 km away
- 2.1Rat Islands, Aleutian Islands, Alaska · 1895 days ago · 43 km deep · 67 km away
- 2.0289 km W of Adak, Alaska · 1894 days ago · 52 km deep · 29 km away
- 2.5279 km W of Adak, Alaska · 1894 days ago · 56 km deep · 33 km away
- 2.3277 km WSW of Adak, Alaska · 1894 days ago · 52 km deep · 19 km away
- 1.6Rat Islands, Aleutian Islands, Alaska · 1894 days ago · 13 km deep · 47 km away
- 2.0198 km WSW of Adak, Alaska · 1893 days ago · 57 km deep · 92 km away
- 2.0269 km W of Adak, Alaska · 1892 days ago · 147 km deep · 86 km away
- 1.5Rat Islands, Aleutian Islands, Alaska · 1892 days ago · 17 km deep · 48 km away
- 1.6Rat Islands, Aleutian Islands, Alaska · 1892 days ago · 47 km deep · 44 km away
- 2.7265 km WSW of Adak, Alaska · 1891 days ago · 20 km deep · 30 km away
- 1.9281 km W of Adak, Alaska · 1891 days ago · 154 km deep · 95 km away
- 1.7216 km WSW of Adak, Alaska · 1891 days ago · 55 km deep · 75 km away
- 2.1244 km W of Adak, Alaska · 1889 days ago · 135 km deep · 86 km away
- 2.1252 km W of Adak, Alaska · 1888 days ago · 70 km deep · 56 km away
- 2.2Rat Islands, Aleutian Islands, Alaska · 1888 days ago · 15 km deep · 77 km away
- 2.2256 km W of Adak, Alaska · 1888 days ago · 130 km deep · 80 km away
- 2.8282 km WSW of Adak, Alaska · 1887 days ago · 21 km deep · 45 km away
- 2.8266 km W of Adak, Alaska · 1887 days ago · 195 km deep · 95 km away
- 1.8237 km WSW of Adak, Alaska · 1885 days ago · 24 km deep · 54 km away
- 2.5251 km WSW of Adak, Alaska · 1884 days ago · 62 km deep · 41 km away
- 2.8265 km W of Adak, Alaska · 1884 days ago · 10 km deep · 49 km away
- 2.1Rat Islands, Aleutian Islands, Alaska · 1884 days ago · 39 km deep · 89 km away
- 2.4Rat Islands, Aleutian Islands, Alaska · 1884 days ago · 25 km deep · 88 km away
- 1.8Rat Islands, Aleutian Islands, Alaska · 1884 days ago · 59 km deep · 27 km away
- 2.7242 km WSW of Adak, Alaska · 1884 days ago · 35 km deep · 48 km away
- 1.7Rat Islands, Aleutian Islands, Alaska · 1883 days ago · 7 km deep · 100 km away
- 2.2268 km WSW of Adak, Alaska · 1883 days ago · 36 km deep · 23 km away
- 1.9245 km WSW of Adak, Alaska · 1883 days ago · 13 km deep · 46 km away
- 1.9Rat Islands, Aleutian Islands, Alaska · 1883 days ago · 5 km deep · 80 km away
- 3.7Rat Islands, Aleutian Islands, Alaska · 1882 days ago · 116 km deep · 93 km away
- 2.8Rat Islands, Aleutian Islands, Alaska · 1882 days ago · 77 km deep · 59 km away
- 1.5Rat Islands, Aleutian Islands, Alaska · 1882 days ago · 21 km deep · 15 km away
- 3.9220 km WSW of Adak, Alaska · 1882 days ago · 35 km deep · 88 km away
- 2.7Rat Islands, Aleutian Islands, Alaska · 1881 days ago · 92 km deep · 77 km away
- 1.7255 km W of Adak, Alaska · 1880 days ago · 7 km deep · 45 km away
- 1.6291 km W of Adak, Alaska · 1879 days ago · 71 km deep · 50 km away
- 2.2Rat Islands, Aleutian Islands, Alaska · 1879 days ago · 62 km deep · 44 km away
- 2.1Rat Islands, Aleutian Islands, Alaska · 1878 days ago · 87 km deep · 84 km away
- 1.9Rat Islands, Aleutian Islands, Alaska · 1878 days ago · 60 km deep · 57 km away
- 1.5236 km WSW of Adak, Alaska · 1877 days ago · 13 km deep · 59 km away
- 1.9Rat Islands, Aleutian Islands, Alaska · 1877 days ago · 60 km deep · 85 km away
- 2.9Rat Islands, Aleutian Islands, Alaska · 1876 days ago · 125 km deep · 97 km away
- 2.0204 km WSW of Adak, Alaska · 1875 days ago · 70 km deep · 88 km away
- 1.7261 km W of Adak, Alaska · 1875 days ago · 14 km deep · 78 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 1875 days ago · 13 km deep · 79 km away
- 2.0Rat Islands, Aleutian Islands, Alaska · 1875 days ago · 97 km deep · 83 km away
- 1.5Rat Islands, Aleutian Islands, Alaska · 1874 days ago · 23 km deep · 48 km away
- 1.7227 km WSW of Adak, Alaska · 1873 days ago · 50 km deep · 63 km away
- 1.5234 km WSW of Adak, Alaska · 1873 days ago · 53 km deep · 59 km away
- 3.0270 km WSW of Adak, Alaska · 1873 days ago · 51 km deep · 23 km away
- 2.1Rat Islands, Aleutian Islands, Alaska · 1872 days ago · 14 km deep · 67 km away
- 2.5Rat Islands, Aleutian Islands, Alaska · 1872 days ago · 19 km deep · 58 km away
- 2.9294 km WSW of Adak, Alaska · 1872 days ago · 59 km deep · 26 km away
- 1.6206 km WSW of Adak, Alaska · 1871 days ago · 47 km deep · 85 km away
- 1.7Rat Islands, Aleutian Islands, Alaska · 1871 days ago · 18 km deep · 33 km away
- 1.6243 km WSW of Adak, Alaska · 1871 days ago · 17 km deep · 48 km away
The first 60 of 142.
Before
- 1.9255 km W of Adak, Alaska · 1897 days ago · 79 km deep · 63 km away
- 2.3Rat Islands, Aleutian Islands, Alaska · 1898 days ago · 105 km deep · 99 km away
- 2.1Rat Islands, Aleutian Islands, Alaska · 1898 days ago · 69 km deep · 75 km away
- 2.6Rat Islands, Aleutian Islands, Alaska · 1898 days ago · 5 km deep · 95 km away
- 1.5213 km W of Adak, Alaska · 1899 days ago · 110 km deep · 93 km away
- 1.6253 km WSW of Adak, Alaska · 1899 days ago · 37 km deep · 67 km away
- 1.7Rat Islands, Aleutian Islands, Alaska · 1899 days ago · 113 km deep · 94 km away
- 1.9Rat Islands, Aleutian Islands, Alaska · 1900 days ago · 96 km deep · 97 km away
- 1.7222 km WSW of Adak, Alaska · 1900 days ago · 58 km deep · 69 km away
- 3.4Rat Islands, Aleutian Islands, Alaska · 1900 days ago · 123 km deep · 96 km away
- 1.7Rat Islands, Aleutian Islands, Alaska · 1900 days ago · 58 km deep · 50 km away
- 1.6Rat Islands, Aleutian Islands, Alaska · 1901 days ago · 116 km deep · 91 km away
- 3.2250 km WSW of Adak, Alaska · 1902 days ago · 26 km deep · 63 km away
- 1.5Rat Islands, Aleutian Islands, Alaska · 1902 days ago · 72 km deep · 52 km away
- 1.9241 km WSW of Adak, Alaska · 1902 days ago · 26 km deep · 61 km away
- 2.2Rat Islands, Aleutian Islands, Alaska · 1903 days ago · 28 km deep · 97 km away
- 2.2256 km W of Adak, Alaska · 1904 days ago · 141 km deep · 78 km away
- 1.8268 km WSW of Adak, Alaska · 1904 days ago · 62 km deep · 24 km away
- 2.7237 km W of Adak, Alaska · 1906 days ago · 13 km deep · 71 km away
- 2.7Rat Islands, Aleutian Islands, Alaska · 1907 days ago · 84 km deep · 87 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak02193hy1up. Read Fri, Sep 25, 2026, 9:45 PM UTC.