M3.1 earthquake 250 km SSE of King Cove, Alaska
A magnitude 3.1 earthquake struck 250 km SSE of King Cove, Alaska on Thu, Jan 18, 2018, 4:37 AM AKST (13:37 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
- 3.1 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-18 13:37:36 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 52.857° N, 161.518° 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 |
|---|---|---|---|
| 3.1 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.148 · 6 stations |
| 2.9 | 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 8.0 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 268°, poorly surrounded by stations
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.4268 km S of False Pass, Alaska · 3157 days ago · 10 km deep · 89 km away
- 2.5238 km S of False Pass, Alaska · 3123 days ago · 10 km deep · 85 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cnal (also filed as ak18187270, ak018tzmw5k). Read Thu, Oct 1, 2026, 7:26 AM UTC.