M1.7 earthquake 23 km NW of Nikiski, Alaska
A magnitude 1.7 earthquake struck 23 km NW of Nikiski, Alaska on Wed, Sep 8, 2021, 10:21 AM AKDT (18:21 UTC), 78 km (49 mi) below the surface.
A larger quake followed: M4.7 12 km SSW of Clam Gulch, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2021-09-08 18:21:07 UTC
- Depth
- 78.3 km (48.7 mi), intermediate-depth
- Epicenter
- 60.868° N, 151.533° 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
- 69
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 136 in the 30 days before it.
After
- 2.43 km SW of Susitna, Alaska · 1852 days ago · 65 km deep · 89 km away
- 2.288 km ENE of Port Alsworth, Alaska · 1852 days ago · 137 km deep · 83 km away
- 2.328 km WSW of Point MacKenzie, Alaska · 1852 days ago · 41 km deep · 71 km away
- 1.727 km NW of Beluga, Alaska · 1851 days ago · 64 km deep · 51 km away
- 1.755 km WNW of Ninilchik, Alaska · 1851 days ago · 101 km deep · 95 km away
- 1.95 km E of Ninilchik, Alaska · 1851 days ago · 51 km deep · 91 km away
- 2.045 km NW of Ninilchik, Alaska · 1851 days ago · 82 km deep · 72 km away
- 3.324 km WNW of Clam Gulch, Alaska · 1851 days ago · 66 km deep · 59 km away
- 1.559 km WNW of Nikiski, Alaska · 1850 days ago · 11 km deep · 42 km away
- 1.754 km WNW of Ninilchik, Alaska · 1850 days ago · 102 km deep · 95 km away
- 1.99 km SSW of Hope, Alaska · 1850 days ago · 42 km deep · 98 km away · felt by 1
- 2.010 km SSE of Kasilof, Alaska · 1850 days ago · 57 km deep · 71 km away
- 2.52 km ESE of Tyonek, Alaska · 1850 days ago · 57 km deep · 32 km away
- 1.836 km NW of Ninilchik, Alaska · 1850 days ago · 95 km deep · 75 km away
- 1.517 km ESE of Clam Gulch, Alaska · 1850 days ago · 62 km deep · 79 km away
- 2.615 km WSW of Cooper Landing, Alaska · 1850 days ago · 40 km deep · 93 km away · felt by 2
- 1.534 km NW of Nikiski, Alaska · 1850 days ago · 78 km deep · 13 km away
- 3.95 km SSW of Kasilof, Alaska · 1850 days ago · 60 km deep · 65 km away · felt by 39 · tsunami flag
- 1.94 km SW of Kasilof, Alaska · 1850 days ago · 58 km deep · 62 km away · felt by 1
- 1.741 km NW of Ninilchik, Alaska · 1849 days ago · 84 km deep · 75 km away
- 1.538 km WSW of Salamatof, Alaska · 1849 days ago · 86 km deep · 47 km away
- 2.24 km NE of Ninilchik, Alaska · 1849 days ago · 54 km deep · 88 km away
- 2.066 km W of Tyonek, Alaska · 1849 days ago · 112 km deep · 50 km away
- 1.957 km NW of Ninilchik, Alaska · 1848 days ago · 104 km deep · 79 km away
- 1.760 km W of Tyonek, Alaska · 1848 days ago · 92 km deep · 46 km away
- 1.719 km SW of Tyonek, Alaska · 1847 days ago · 117 km deep · 12 km away
- 1.955 km NW of Ninilchik, Alaska · 1847 days ago · 91 km deep · 70 km away
- 2.045 km SW of Skwentna, Alaska · 1847 days ago · 110 km deep · 97 km away
- 2.272 km NW of Ninilchik, Alaska · 1847 days ago · 110 km deep · 79 km away
- 1.910 km S of Tyonek, Alaska · 1847 days ago · 52 km deep · 23 km away
- 2.379 km W of Salamatof, Alaska · 1846 days ago · 119 km deep · 77 km away
- 1.569 km WNW of Ninilchik, Alaska · 1846 days ago · 119 km deep · 96 km away
- 1.663 km W of Tyonek, Alaska · 1845 days ago · 107 km deep · 46 km away
- 1.716 km WSW of Tyonek, Alaska · 1845 days ago · 61 km deep · 17 km away
- 1.681 km W of Salamatof, Alaska · 1845 days ago · 115 km deep · 78 km away
- 1.669 km WNW of Ninilchik, Alaska · 1844 days ago · 113 km deep · 88 km away
- 2.046 km W of Tyonek, Alaska · 1844 days ago · 103 km deep · 39 km away
- 1.520 km E of Kasilof, Alaska · 1844 days ago · 44 km deep · 70 km away
- 1.517 km SE of Susitna, Alaska · 1844 days ago · 27 km deep · 94 km away
- 1.819 km ENE of Sterling, Alaska · 1844 days ago · 19 km deep · 68 km away · felt by 1
- 1.82 km WNW of Point MacKenzie, Alaska · 1844 days ago · 41 km deep · 98 km away
- 1.855 km WNW of Nikiski, Alaska · 1844 days ago · 90 km deep · 40 km away
- 1.525 km WSW of Cooper Landing, Alaska · 1844 days ago · 42 km deep · 84 km away
- 3.237 km NW of Beluga, Alaska · 1844 days ago · 86 km deep · 61 km away · felt by 1
- 1.967 km W of Tyonek, Alaska · 1844 days ago · 118 km deep · 48 km away
- 1.627 km S of Funny River, Alaska · 1843 days ago · 48 km deep · 79 km away
- 1.513 km SSE of Funny River, Alaska · 1843 days ago · 45 km deep · 71 km away
- 1.512 km NNE of Ninilchik, Alaska · 1843 days ago · 56 km deep · 80 km away
- 1.672 km WNW of Tyonek, Alaska · 1843 days ago · 119 km deep · 66 km away
- 1.930 km WSW of Point MacKenzie, Alaska · 1843 days ago · 36 km deep · 70 km away
- 1.66 km NW of Susitna, Alaska · 1843 days ago · 31 km deep · 95 km away
- 1.622 km NW of Susitna, Alaska · 1842 days ago · 48 km deep · 98 km away
- 1.619 km NNW of Sterling, Alaska · 1842 days ago · 52 km deep · 41 km away
- 1.77 km NW of Kalifornsky, Alaska · 1842 days ago · 55 km deep · 44 km away
- 1.954 km NW of Ninilchik, Alaska · 1841 days ago · 86 km deep · 72 km away
- 1.527 km NW of Beluga, Alaska · 1841 days ago · 65 km deep · 51 km away
- 1.761 km SSW of Skwentna, Alaska · 1840 days ago · 9 km deep · 76 km away
- 1.642 km W of Salamatof, Alaska · 1840 days ago · 79 km deep · 40 km away
- 2.359 km WNW of Ninilchik, Alaska · 1840 days ago · 112 km deep · 100 km away
- 1.80 km ENE of Beluga, Alaska · 1840 days ago · 59 km deep · 39 km away
The first 60 of at least 200.
Before
- 2.053 km NW of Ninilchik, Alaska · 1853 days ago · 85 km deep · 78 km away
- 1.926 km WSW of Anchorage, Alaska · 1853 days ago · 43 km deep · 70 km away
- 3.014 km ESE of Susitna, Alaska · 1853 days ago · 62 km deep · 98 km away · felt by 4
- 2.085 km NW of Ninilchik, Alaska · 1853 days ago · 146 km deep · 82 km away
- 1.921 km W of Susitna, Alaska · 1853 days ago · 62 km deep · 85 km away
- 1.628 km NW of Susitna, Alaska · 1854 days ago · 65 km deep · 96 km away
- 2.521 km W of Tyonek, Alaska · 1855 days ago · 75 km deep · 25 km away
- 2.313 km WSW of Point MacKenzie, Alaska · 1855 days ago · 48 km deep · 86 km away
- 1.516 km NNW of Sterling, Alaska · 1855 days ago · 52 km deep · 41 km away
- 1.64 km SSE of Ninilchik, Alaska · 1856 days ago · 80 km deep · 95 km away
- 2.332 km W of Salamatof, Alaska · 1856 days ago · 75 km deep · 39 km away
- 1.53 km NNW of Beluga, Alaska · 1856 days ago · 61 km deep · 41 km away
- 1.510 km NW of Point Possession, Alaska · 1856 days ago · 54 km deep · 42 km away
- 1.726 km SSW of Susitna, Alaska · 1856 days ago · 60 km deep · 69 km away
- 1.647 km W of Tyonek, Alaska · 1856 days ago · 88 km deep · 32 km away
- 2.515 km N of Beluga, Alaska · 1857 days ago · 70 km deep · 51 km away · felt by 1
- 1.636 km W of Susitna, Alaska · 1857 days ago · 70 km deep · 83 km away
- 1.938 km W of Nikiski, Alaska · 1857 days ago · 85 km deep · 27 km away
- 2.234 km WNW of Beluga, Alaska · 1857 days ago · 81 km deep · 45 km away
- 1.821 km W of Cooper Landing, Alaska · 1858 days ago · 39 km deep · 85 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021bjeqfhi. Read Sun, Oct 4, 2026, 6:35 PM UTC.