M3.3 earthquake 134 km WNW of Nikolski, Alaska
A magnitude 3.3 earthquake struck 134 km WNW of Nikolski, Alaska on Sun, Dec 13, 2020, 1:53 PM AKST (22:53 UTC), 148 km (92 mi) below the surface.
A larger quake followed: M4.5 124 km W 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
- 3.3 (ml), minor
- Local time
- UTC
- 2020-12-13 22:53:25 UTC
- Depth
- 148.3 km (92.1 mi), intermediate-depth
- Epicenter
- 53.589° N, 170.555° 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 15.9 km horizontally, 31.5 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 176°
- Stations used
- 42
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 2 in the 30 days before it.
After
- 4.5124 km W of Nikolski, Alaska · 2116 days ago · 229 km deep · 59 km away
- 3.283 km W of Nikolski, Alaska · 2110 days ago · 143 km deep · 85 km away
- 3.855 km WNW of Nikolski, Alaska · 2109 days ago · 20 km deep · 78 km away
- 1.538 km WNW of Nikolski, Alaska · 2106 days ago · 6 km deep · 99 km away
- 3.085 km NNW of Nikolski, Alaska · 2091 days ago · 10 km deep · 90 km away
- 2.697 km WSW of Nikolski, Alaska · 2073 days ago · 102 km deep · 96 km away
- 3.2168 km NNW of Nikolski, Alaska · 2069 days ago · 20 km deep · 98 km away
- 3.4100 km NW of Nikolski, Alaska · 2061 days ago · 211 km deep · 56 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000d3t2 (also filed as ak020fzwfq3h). Read Wed, Sep 30, 2026, 2:47 AM UTC.