M1.9 earthquake 257 km WSW of Adak, Alaska
A magnitude 1.9 earthquake struck 257 km WSW of Adak, Alaska on Thu, Sep 2, 2021, 6:05 PM GMT+12 (06:05 UTC), 57 km (35 mi) below the surface.
A larger quake followed: M2.6 221 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
- 1.9 (ml), micro
- Local time
- UTC
- 2021-09-02 06:05:26 UTC
- Depth
- 56.9 km (35.4 mi), shallow
- Epicenter
- 51.451° N, 179.710° 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
- 43
Nearby
Within 100 km, magnitude 1.5 and up: 130 in the 60 days after this one and 69 in the 30 days before it.
After
- 1.5253 km WSW of Adak, Alaska · 1848 days ago · 6 km deep · 58 km away
- 1.6248 km WSW of Adak, Alaska · 1848 days ago · 48 km deep · 14 km away
- 1.6194 km WSW of Adak, Alaska · 1848 days ago · 5 km deep · 91 km away
- 2.6221 km WSW of Adak, Alaska · 1848 days ago · 88 km deep · 40 km away
- 1.5272 km W of Adak, Alaska · 1848 days ago · 70 km deep · 22 km away
- 1.6232 km WSW of Adak, Alaska · 1847 days ago · 11 km deep · 25 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 1847 days ago · 42 km deep · 99 km away
- 1.9232 km WSW of Adak, Alaska · 1847 days ago · 7 km deep · 25 km away
- 1.6234 km WSW of Adak, Alaska · 1847 days ago · 13 km deep · 23 km away
- 1.8231 km WSW of Adak, Alaska · 1847 days ago · 13 km deep · 25 km away
- 1.7299 km WSW of Adak, Alaska · 1846 days ago · 19 km deep · 53 km away
- 1.7271 km W of Adak, Alaska · 1846 days ago · 63 km deep · 23 km away
- 2.5Rat Islands, Aleutian Islands, Alaska · 1846 days ago · 95 km deep · 67 km away
- 1.7189 km WSW of Adak, Alaska · 1845 days ago · 3 km deep · 95 km away
- 1.6240 km WSW of Adak, Alaska · 1844 days ago · 13 km deep · 44 km away
- 1.6245 km WSW of Adak, Alaska · 1844 days ago · 13 km deep · 39 km away
- 2.8199 km WSW of Adak, Alaska · 1844 days ago · 16 km deep · 95 km away
- 1.9Rat Islands, Aleutian Islands, Alaska · 1843 days ago · 115 km deep · 90 km away
- 2.6245 km W of Adak, Alaska · 1843 days ago · 174 km deep · 56 km away
- 1.5225 km W of Adak, Alaska · 1843 days ago · 73 km deep · 35 km away
- 2.0Rat Islands, Aleutian Islands, Alaska · 1843 days ago · 47 km deep · 79 km away
- 1.7Rat Islands, Aleutian Islands, Alaska · 1842 days ago · 99 km deep · 92 km away
- 1.7Rat Islands, Aleutian Islands, Alaska · 1842 days ago · 82 km deep · 60 km away
- 1.5185 km W of Adak, Alaska · 1842 days ago · 15 km deep · 79 km away
- 2.2228 km W of Adak, Alaska · 1841 days ago · 149 km deep · 61 km away
- 2.9Rat Islands, Aleutian Islands, Alaska · 1840 days ago · 33 km deep · 61 km away
- 3.9250 km W of Adak, Alaska · 1840 days ago · 131 km deep · 45 km away
- 1.7169 km W of Adak, Alaska · 1839 days ago · 12 km deep · 89 km away
- 2.7272 km W of Adak, Alaska · 1838 days ago · 75 km deep · 28 km away
- 1.8184 km WSW of Adak, Alaska · 1837 days ago · 22 km deep · 93 km away
- 1.6194 km WSW of Adak, Alaska · 1837 days ago · 20 km deep · 70 km away
- 2.8223 km W of Adak, Alaska · 1837 days ago · 78 km deep · 34 km away
- 3.1Rat Islands, Aleutian Islands, Alaska · 1835 days ago · 113 km deep · 95 km away
- 2.7215 km W of Adak, Alaska · 1834 days ago · 73 km deep · 43 km away
- 2.2Rat Islands, Aleutian Islands, Alaska · 1833 days ago · 40 km deep · 96 km away
- 2.7201 km WSW of Adak, Alaska · 1831 days ago · 16 km deep · 85 km away
- 2.8220 km WSW of Adak, Alaska · 1830 days ago · 22 km deep · 69 km away
- 1.9252 km W of Adak, Alaska · 1830 days ago · 95 km deep · 41 km away
- 1.5Rat Islands, Aleutian Islands, Alaska · 1829 days ago · 7 km deep · 64 km away
- 1.8Rat Islands, Aleutian Islands, Alaska · 1829 days ago · 56 km deep · 55 km away
- 4.0257 km WSW of Adak, Alaska · 1829 days ago · 106 km deep · 2 km away
- 1.6Rat Islands, Aleutian Islands, Alaska · 1829 days ago · 30 km deep · 61 km away
- 2.0168 km WSW of Adak, Alaska · 1828 days ago · 26 km deep · 95 km away
- 2.5219 km WSW of Adak, Alaska · 1828 days ago · 26 km deep · 73 km away
- 2.7221 km WSW of Adak, Alaska · 1827 days ago · 15 km deep · 67 km away
- 1.9222 km WSW of Adak, Alaska · 1827 days ago · 12 km deep · 35 km away
- 1.5208 km WSW of Adak, Alaska · 1826 days ago · 22 km deep · 65 km away
- 5.5185 km WSW of Adak, Alaska · 1826 days ago · 18 km deep · 95 km away
- 3.2187 km WSW of Adak, Alaska · 1826 days ago · 33 km deep · 91 km away
- 3.4184 km WSW of Adak, Alaska · 1826 days ago · 28 km deep · 96 km away
- 1.7Andreanof Islands, Aleutian Islands, Alaska · 1826 days ago · 21 km deep · 93 km away
- 1.5Rat Islands, Aleutian Islands, Alaska · 1826 days ago · 57 km deep · 3 km away
- 6.1187 km WSW of Adak, Alaska · 1826 days ago · 18 km deep · 98 km away · felt by 7 · tsunami flag
- 1.6191 km WSW of Adak, Alaska · 1826 days ago · 9 km deep · 99 km away
- 2.0189 km WSW of Adak, Alaska · 1826 days ago · 20 km deep · 98 km away
- 1.7188 km WSW of Adak, Alaska · 1826 days ago · 21 km deep · 93 km away
- 1.8182 km WSW of Adak, Alaska · 1826 days ago · 26 km deep · 97 km away
- 1.6221 km WSW of Adak, Alaska · 1824 days ago · 50 km deep · 38 km away
- 2.0211 km W of Adak, Alaska · 1824 days ago · 104 km deep · 56 km away
- 3.1190 km WSW of Adak, Alaska · 1824 days ago · 32 km deep · 83 km away
The first 60 of 130.
Before
- 1.7215 km WSW of Adak, Alaska · 1850 days ago · 14 km deep · 75 km away
- 1.7Rat Islands, Aleutian Islands, Alaska · 1850 days ago · 21 km deep · 50 km away
- 1.9243 km W of Adak, Alaska · 1850 days ago · 70 km deep · 26 km away
- 2.0Rat Islands, Aleutian Islands, Alaska · 1850 days ago · 93 km deep · 63 km away
- 1.9192 km W of Adak, Alaska · 1851 days ago · 148 km deep · 100 km away
- 1.8Rat Islands, Aleutian Islands, Alaska · 1851 days ago · 131 km deep · 95 km away
- 1.9230 km W of Adak, Alaska · 1852 days ago · 93 km deep · 40 km away
- 1.8211 km W of Adak, Alaska · 1852 days ago · 92 km deep · 52 km away
- 2.0Rat Islands, Aleutian Islands, Alaska · 1853 days ago · 15 km deep · 85 km away
- 1.5254 km WSW of Adak, Alaska · 1853 days ago · 16 km deep · 10 km away
- 1.5171 km W of Adak, Alaska · 1853 days ago · 5 km deep · 88 km away
- 2.6Rat Islands, Aleutian Islands, Alaska · 1854 days ago · 108 km deep · 95 km away
- 3.1248 km W of Adak, Alaska · 1855 days ago · 77 km deep · 18 km away
- 1.9217 km WSW of Adak, Alaska · 1855 days ago · 6 km deep · 87 km away
- 1.6294 km WSW of Adak, Alaska · 1855 days ago · 37 km deep · 39 km away
- 1.7266 km WSW of Adak, Alaska · 1856 days ago · 19 km deep · 30 km away
- 1.9201 km WSW of Adak, Alaska · 1857 days ago · 70 km deep · 56 km away
- 1.7Rat Islands, Aleutian Islands, Alaska · 1857 days ago · 51 km deep · 48 km away
- 1.8263 km W of Adak, Alaska · 1857 days ago · 169 km deep · 74 km away
- 1.9194 km WSW of Adak, Alaska · 1857 days ago · 13 km deep · 89 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021b9a9rb6. Read Thu, Sep 24, 2026, 9:38 AM UTC.