M3.2 earthquake 171 km SE of Nikolski, Alaska
A magnitude 3.2 earthquake struck 171 km SE of Nikolski, Alaska on Thu, Sep 24, 2020, 1:10 PM AKDT (21:10 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.3 117 km ESE 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
- 3.2 (ml), minor
- Local time
- UTC
- 2020-09-24 21:10:22 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 51.742° N, 167.280° 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 2.8 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 285°, poorly surrounded by stations
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.1144 km ESE of Nikolski, Alaska · 2173 days ago · 26 km deep · 86 km away
- 2.9136 km ESE of Nikolski, Alaska · 2152 days ago · 10 km deep · 91 km away
- 3.3192 km SE of Nikolski, Alaska · 2151 days ago · 10 km deep · 57 km away
- 4.3117 km ESE of Nikolski, Alaska · 2142 days ago · 43 km deep · 96 km away
- 3.1208 km SE of Nikolski, Alaska · 2138 days ago · 10 km deep · 66 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c5v2 (also filed as ak020cbklcow). Read Tue, Sep 29, 2026, 6:04 PM UTC.