M2.8 earthquake 255 km SE of Akutan, Alaska
A magnitude 2.8 earthquake struck 255 km SE of Akutan, Alaska on Sun, Dec 10, 2017, 7:29 PM AKST (04:29 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.4 268 km S of False Pass, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.8 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-12-11 04:29:03 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 52.539° N, 163.022° 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 · ±0.128 · 8 stations |
| 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 8.5 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 260°, poorly surrounded by stations
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.5165 km ESE of Akutan, Alaska · 3216 days ago · 24 km deep · 99 km away
- 2.6193 km SSE of False Pass, Alaska · 3201 days ago · 10 km deep · 97 km away
- 2.9250 km SSE of False Pass, Alaska · 3195 days ago · 10 km deep · 70 km away
- 2.6184 km SSE of Akutan, Alaska · 3183 days ago · 10 km deep · 94 km away
- 2.5176 km SE of Akutan, Alaska · 3163 days ago · 32 km deep · 79 km away
- 3.4268 km S of False Pass, Alaska · 3157 days ago · 10 km deep · 24 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000c44v (also filed as ak17597995, ak017fumyp55). Read Thu, Oct 1, 2026, 8:04 AM UTC.