M4.1 earthquake 84 km NW of Cold Bay, Alaska
A magnitude 4.1 earthquake struck 84 km NW of Cold Bay, Alaska on Tue, Mar 22, 2016, 9:37 AM AKDT (17:37 UTC), 183 km (114 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-03-22 17:37:21 UTC
- Depth
- 183.5 km (114.0 mi), intermediate-depth
- Epicenter
- 55.643° N, 163.781° 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 |
|---|---|---|---|
| 4.1 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.157 · 11 stations |
| 3.4 | 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 4.4 km horizontally, 7.1 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 85°
- Stations used
- 117
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 2 in the 30 days before it.
After
- 2.116 km SW of False Pass, Alaska · 3844 days ago · 18 km deep · 99 km away
- 2.150 km W of False Pass, Alaska · 3805 days ago · 104 km deep · 91 km away
- 2.629 km WSW of Cold Bay, Alaska · 3793 days ago · 162 km deep · 74 km away
- 2.455 km W of False Pass, Alaska · 3790 days ago · 148 km deep · 84 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20005c9x (also filed as ak13046942, ak0163rwesvz). Read Sun, Oct 4, 2026, 5:44 AM UTC.