M3.4 earthquake 100 km NW of Nikolski, Alaska
A magnitude 3.4 earthquake struck 100 km NW of Nikolski, Alaska on Sat, Feb 6, 2021, 5:02 PM AKST (02:02 UTC), 211 km (131 mi) below the surface.
A larger quake followed: M3.7 66 km WSW of Nikolski, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (ml), minor
- Local time
- UTC
- 2021-02-07 02:02:26 UTC
- Depth
- 210.5 km (130.8 mi), intermediate-depth
- Epicenter
- 53.683° N, 169.726° 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.
- Location uncertainty
- About 10.7 km horizontally, 21.5 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 152°
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 5 in the 30 days before it.
After
- 2.053 km W of Nikolski, Alaska · 2057 days ago · -3 km deep · 92 km away
- 2.8115 km WNW of Nikolski, Alaska · 2015 days ago · 35 km deep · 80 km away
- 3.766 km WSW of Nikolski, Alaska · 2012 days ago · 10 km deep · 96 km away
- 3.5Fox Islands, Aleutian Islands, Alaska · 2012 days ago · 9 km deep · 93 km away
- 3.568 km W of Nikolski, Alaska · 2012 days ago · 3 km deep · 89 km away
- 2.965 km W of Nikolski, Alaska · 2012 days ago · 10 km deep · 93 km away
- 3.375 km WSW of Nikolski, Alaska · 2011 days ago · 10 km deep · 100 km away
- 3.497 km W of Nikolski, Alaska · 2004 days ago · 172 km deep · 80 km away
Before
- 3.2168 km NNW of Nikolski, Alaska · 2068 days ago · 20 km deep · 74 km away
- 2.349 km WSW of Nikolski, Alaska · 2075 days ago · 16 km deep · 95 km away
- 1.943 km WSW of Nikolski, Alaska · 2084 days ago · 3 km deep · 94 km away
- 2.556 km NNE of Nikolski, Alaska · 2088 days ago · 130 km deep · 85 km away
- 3.085 km NNW of Nikolski, Alaska · 2089 days ago · 10 km deep · 34 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dh1y (also filed as ak0211qvmjdz). Read Mon, Sep 28, 2026, 10:04 PM UTC.