M2.8 earthquake 172 km SSE of Adak, Alaska
A magnitude 2.8 earthquake struck 172 km SSE of Adak, Alaska on Thu, Jan 19, 2017, 10:50 AM HAST (20:50 UTC), 29 km (18 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.8 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-01-19 20:50:39 UTC
- Depth
- 29.4 km (18.3 mi), shallow
- Epicenter
- 50.373° N, 176.032° 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 |
|---|---|---|---|
| 2.8 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed |
| 2.8 | 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 9.9 km horizontally, 17.4 km in depth
- Depth from
- From location
- Station coverage gap
- 306°, poorly surrounded by stations
- Stations used
- 5
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.2173 km SSE of Adak, Alaska · 3539 days ago · 14 km deep · 58 km away
- 2.8219 km SSE of Adak, Alaska · 3525 days ago · 10 km deep · 80 km away
- 2.1166 km S of Adak, Alaska · 3513 days ago · 37 km deep · 49 km away
- 2.5189 km SSW of Adak, Alaska · 3508 days ago · 25 km deep · 88 km away
- 2.3158 km SSE of Adak, Alaska · 3492 days ago · 30 km deep · 40 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007ven (also filed as ak15157220, ak017vrf2bx). Read Sat, Oct 3, 2026, 1:07 PM UTC.