M2.9 earthquake 207 km S of King Cove, Alaska
A magnitude 2.9 earthquake struck 207 km S of King Cove, Alaska on Sun, Oct 22, 2017, 2:28 AM AKDT (10:28 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.9 152 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
- 2.9 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-10-22 10:28:01 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 53.212° N, 161.884° 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 |
|---|---|---|---|
| 2.9 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.148 · 6 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 7.2 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 246°, poorly surrounded by stations
- Stations used
- 28
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 2 in the 30 days before it.
After
- 3.7200 km SSE of King Cove, Alaska · 3260 days ago · 10 km deep · 56 km away
- 2.4114 km SSE of King Cove, Alaska · 3245 days ago · 13 km deep · 95 km away
- 3.7225 km SSE of King Cove, Alaska · 3239 days ago · 10 km deep · 69 km away
- 3.9152 km S of False Pass, Alaska · 3226 days ago · 15 km deep · 95 km away
- 3.6119 km SSE of False Pass, Alaska · 3224 days ago · 10 km deep · 90 km away
- 2.9160 km S of False Pass, Alaska · 3217 days ago · 7 km deep · 97 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000axvb (also filed as ak17105425, ak017dk1nq7n). Read Thu, Oct 1, 2026, 6:50 PM UTC.