M2.6 earthquake 49 km WSW of Nelson Lagoon, Alaska
A magnitude 2.6 earthquake struck 49 km WSW of Nelson Lagoon, Alaska on Thu, Feb 4, 2016, 9:41 PM AKST (06:41 UTC), 175 km (109 mi) below the surface.
A larger quake followed: M5.0 59 km WNW of Nelson Lagoon, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-02-05 06:41:02 UTC
- Depth
- 175.1 km (108.8 mi), intermediate-depth
- Epicenter
- 55.789° N, 161.895° 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 |
|---|---|---|---|
| 2.6 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · 5 stations |
| 2.6 | 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 15.9 km horizontally, 7.2 km in depth
- Station coverage gap
- 205°, poorly surrounded by stations
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.510 km WNW of Cold Bay, Alaska · 3878 days ago · 129 km deep · 90 km away
- 3.527 km NNE of King Cove, Alaska · 3877 days ago · 149 km deep · 59 km away
- 1.946 km E of King Cove, Alaska · 3867 days ago · 78 km deep · 80 km away
- 5.059 km WNW of Nelson Lagoon, Alaska · 3864 days ago · 205 km deep · 56 km away · tsunami flag
- 2.031 km ENE of King Cove, Alaska · 3864 days ago · 100 km deep · 68 km away
- 2.235 km ENE of King Cove, Alaska · 3862 days ago · 114 km deep · 73 km away
- 2.655 km W of Sand Point, Alaska · 3852 days ago · 82 km deep · 63 km away
- 2.552 km WSW of Sand Point, Alaska · 3848 days ago · 64 km deep · 79 km away
- 1.738 km SW of Nelson Lagoon, Alaska · 3845 days ago · 8 km deep · 15 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us200050cm (also filed as ak12798669, ak0161nn5vzp). Read Sun, Oct 4, 2026, 7:48 PM UTC.