M3.8 earthquake 2 km S of Nelson Lagoon, Alaska
A magnitude 3.8 earthquake struck 2 km S of Nelson Lagoon, Alaska on Thu, Dec 10, 2015, 2:43 AM AKST (11:43 UTC), 186 km (116 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.8 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-12-10 11:43:50 UTC
- Depth
- 186.0 km (115.6 mi), intermediate-depth
- Epicenter
- 55.976° N, 161.214° 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 |
|---|---|---|---|
| 3.8 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.081 · 20 stations |
| 3.0 | 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 9.3 km horizontally, 7.6 km in depth
- Magnitude uncertainty
- ±0.08
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.521 km W of Sand Point, Alaska · 3922 days ago · 67 km deep · 79 km away
- 2.114 km NNE of Sand Point, Alaska · 3911 days ago · 75 km deep · 79 km away
- 2.822 km SSW of Sand Point, Alaska · 3907 days ago · 61 km deep · 97 km away
- 2.649 km WSW of Nelson Lagoon, Alaska · 3895 days ago · 175 km deep · 47 km away
Before
- 2.960 km W of Sand Point, Alaska · 3966 days ago · 86 km deep · 78 km away
- 3.04 km SSW of Nelson Lagoon, Alaska · 3969 days ago · 197 km deep · 2 km away
- 1.765 km WSW of Nelson Lagoon, Alaska · 3976 days ago · 3 km deep · 64 km away
- 1.844 km NNW of Sand Point, Alaska · 3977 days ago · 80 km deep · 44 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us100048ip (also filed as ak12290847, ak015ft3oh8j). Read Mon, Oct 5, 2026, 1:36 AM UTC.