M2.1 earthquake 147 km SW of Adak, Alaska
A magnitude 2.1 earthquake struck 147 km SW of Adak, Alaska on Thu, Sep 9, 2021, 2:43 PM HADT (23:43 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M6.1 187 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
- 2.1 (ml), micro
- Local time
- UTC
- 2021-09-09 23:43:19 UTC
- Depth
- 25.6 km (15.9 mi), shallow
- Epicenter
- 51.006° N, 178.236° 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
- 13
Nearby
Within 100 km, magnitude 1.5 and up: 128 in the 60 days after this one and 91 in the 30 days before it.
After
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 1840 days ago · 59 km deep · 85 km away
- 1.5153 km WSW of Adak, Alaska · 1839 days ago · 14 km deep · 68 km away
- 1.6146 km W of Adak, Alaska · 1838 days ago · 16 km deep · 92 km away
- 1.782 km W of Adak, Alaska · 1837 days ago · 12 km deep · 96 km away
- 1.8184 km WSW of Adak, Alaska · 1837 days ago · 22 km deep · 59 km away
- 3.692 km SW of Adak, Alaska · 1837 days ago · 35 km deep · 55 km away
- 1.6194 km WSW of Adak, Alaska · 1837 days ago · 20 km deep · 83 km away
- 1.553 km SW of Adak, Alaska · 1837 days ago · 46 km deep · 95 km away
- 3.4204 km SSW of Adak, Alaska · 1835 days ago · 10 km deep · 86 km away
- 1.565 km SW of Adak, Alaska · 1834 days ago · 23 km deep · 82 km away
- 2.0133 km W of Adak, Alaska · 1834 days ago · 15 km deep · 80 km away
- 2.1136 km W of Adak, AK · 1834 days ago · 17 km deep · 81 km away
- 2.068 km SW of Adak, Alaska · 1833 days ago · 35 km deep · 79 km away
- 2.7201 km WSW of Adak, Alaska · 1831 days ago · 16 km deep · 70 km away
- 2.0114 km WSW of Adak, Alaska · 1831 days ago · 48 km deep · 41 km away
- 1.5114 km WSW of Adak, Alaska · 1831 days ago · 14 km deep · 55 km away
- 1.688 km SW of Adak, Alaska · 1830 days ago · 37 km deep · 58 km away
- 1.6124 km WSW of Adak, Alaska · 1830 days ago · 15 km deep · 48 km away
- 2.8220 km WSW of Adak, Alaska · 1830 days ago · 22 km deep · 90 km away
- 1.9100 km WSW of Adak, Alaska · 1829 days ago · 58 km deep · 54 km away
- 1.872 km WSW of Adak, Alaska · 1829 days ago · 14 km deep · 78 km away
- 2.0168 km WSW of Adak, Alaska · 1828 days ago · 26 km deep · 63 km away
- 1.896 km SW of Adak, Alaska · 1828 days ago · 33 km deep · 53 km away
- 2.5219 km WSW of Adak, Alaska · 1828 days ago · 26 km deep · 87 km away
- 2.7221 km WSW of Adak, Alaska · 1828 days ago · 15 km deep · 92 km away
- 1.9129 km W of Adak, Alaska · 1828 days ago · 13 km deep · 78 km away
- 1.8129 km WSW of Adak, Alaska · 1827 days ago · 11 km deep · 62 km away
- 1.6165 km WSW of Adak, Alaska · 1827 days ago · 24 km deep · 40 km away
- 1.788 km WSW of Adak, Alaska · 1827 days ago · 60 km deep · 66 km away
- 3.1121 km WSW of Adak, Alaska · 1827 days ago · 78 km deep · 71 km away
- 1.5208 km WSW of Adak, Alaska · 1827 days ago · 22 km deep · 87 km away
- 5.5185 km WSW of Adak, Alaska · 1826 days ago · 18 km deep · 57 km away
- 3.2187 km WSW of Adak, Alaska · 1826 days ago · 33 km deep · 61 km away
- 3.4184 km WSW of Adak, Alaska · 1826 days ago · 28 km deep · 56 km away
- 1.7Andreanof Islands, Aleutian Islands, Alaska · 1826 days ago · 21 km deep · 58 km away
- 1.692 km WSW of Adak, Alaska · 1826 days ago · 13 km deep · 61 km away
- 6.1187 km WSW of Adak, Alaska · 1826 days ago · 18 km deep · 55 km away · felt by 7 · tsunami flag
- 2.0191 km WSW of Adak, Alaska · 1826 days ago · 10 km deep · 54 km away
- 2.0178 km WSW of Adak, Alaska · 1826 days ago · 22 km deep · 50 km away
- 1.6191 km WSW of Adak, Alaska · 1826 days ago · 9 km deep · 56 km away
- 2.0189 km WSW of Adak, Alaska · 1826 days ago · 20 km deep · 56 km away
- 1.7188 km WSW of Adak, Alaska · 1826 days ago · 21 km deep · 59 km away
- 1.8182 km WSW of Adak, Alaska · 1826 days ago · 26 km deep · 54 km away
- 2.1110 km SW of Adak, Alaska · 1824 days ago · 26 km deep · 37 km away
- 3.1190 km WSW of Adak, Alaska · 1824 days ago · 32 km deep · 68 km away
- 3.1179 km WSW of Adak, Alaska · 1823 days ago · 63 km deep · 76 km away
- 1.8133 km W of Adak, Alaska · 1823 days ago · 8 km deep · 79 km away
- 1.7Andreanof Islands, Aleutian Islands, Alaska · 1823 days ago · 21 km deep · 79 km away
- 3.9177 km SSW of Adak, Alaska · 1823 days ago · 10 km deep · 56 km away
- 1.663 km SSW of Adak, Alaska · 1822 days ago · 20 km deep · 91 km away
- 1.8Andreanof Islands, Aleutian Islands, Alaska · 1821 days ago · 15 km deep · 89 km away
- 2.3179 km SSW of Adak, Alaska · 1821 days ago · 25 km deep · 59 km away
- 3.1135 km WSW of Adak, Alaska · 1821 days ago · 30 km deep · 23 km away
- 2.1102 km WSW of Adak, Alaska · 1820 days ago · 8 km deep · 65 km away
- 2.3172 km WSW of Adak, Alaska · 1819 days ago · 21 km deep · 68 km away
- 2.8209 km WSW of Adak, Alaska · 1819 days ago · 5 km deep · 72 km away
- 1.8207 km WSW of Adak, Alaska · 1818 days ago · 8 km deep · 76 km away
- 1.7144 km WSW of Adak, Alaska · 1818 days ago · 24 km deep · 35 km away
- 2.7116 km WSW of Adak, Alaska · 1818 days ago · 13 km deep · 55 km away
- 3.9116 km WSW of Adak, Alaska · 1818 days ago · 35 km deep · 36 km away
The first 60 of 128.
Before
- 2.9126 km SW of Adak, Alaska · 1841 days ago · 35 km deep · 21 km away
- 1.5155 km W of Adak, Alaska · 1842 days ago · 2 km deep · 99 km away
- 1.6168 km WSW of Adak, Alaska · 1842 days ago · 26 km deep · 40 km away
- 1.649 km SW of Adak, Alaska · 1842 days ago · 44 km deep · 98 km away
- 1.8114 km WSW of Adak, Alaska · 1842 days ago · 15 km deep · 55 km away
- 2.9177 km WSW of Adak, Alaska · 1842 days ago · 30 km deep · 49 km away
- 1.6124 km SW of Adak, Alaska · 1843 days ago · 26 km deep · 23 km away
- 1.7111 km S of Adak, Alaska · 1843 days ago · 35 km deep · 95 km away
- 2.8199 km WSW of Adak, Alaska · 1844 days ago · 16 km deep · 63 km away
- 1.766 km SW of Adak, Alaska · 1844 days ago · 74 km deep · 82 km away
- 1.6124 km W of Adak, Alaska · 1845 days ago · 11 km deep · 92 km away
- 1.7189 km WSW of Adak, Alaska · 1845 days ago · 3 km deep · 58 km away
- 1.8124 km WSW of Adak, Alaska · 1845 days ago · 70 km deep · 68 km away
- 3.0123 km WSW of Adak, Alaska · 1846 days ago · 33 km deep · 46 km away
- 1.5124 km WSW of Adak, Alaska · 1847 days ago · 7 km deep · 65 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 1847 days ago · 42 km deep · 62 km away
- 1.6194 km WSW of Adak, Alaska · 1848 days ago · 5 km deep · 62 km away
- 1.7215 km WSW of Adak, Alaska · 1850 days ago · 14 km deep · 84 km away
- 1.979 km SSW of Adak, Alaska · 1850 days ago · 28 km deep · 82 km away
- 1.9111 km WSW of Adak, Alaska · 1851 days ago · 13 km deep · 57 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021bl5dow0. Read Thu, Sep 24, 2026, 1:38 PM UTC.