M2.7 earthquake 213 km SSE of Nikolski, Alaska
A magnitude 2.7 earthquake struck 213 km SSE of Nikolski, Alaska on Mon, Feb 6, 2017, 1:45 PM AKST (22:45 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.1 200 km S 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
- 2.7 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-02-06 22:45:07 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 51.161° N, 167.701° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 2.7 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed |
| 2.7 | ML, local (Richter) | Alaska Earthquake Center | Preliminary |
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 5.2 km horizontally, 2.0 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 230°, poorly surrounded by stations
- Stations used
- 12
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.0196 km SSE of Nikolski, Alaska · 3517 days ago · 50 km deep · 21 km away
- 2.5204 km SSE of Nikolski, Alaska · 3488 days ago · 25 km deep · 10 km away
- 3.1200 km S of Nikolski, Alaska · 3478 days ago · 22 km deep · 96 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008j4b (also filed as ak15254264, ak0171pk91rh). Read Sun, Oct 4, 2026, 7:03 PM UTC.