M3.3 earthquake 29 km WNW of Nelson Lagoon, Alaska
A magnitude 3.3 earthquake struck 29 km WNW of Nelson Lagoon, Alaska on Wed, Jan 24, 2018, 2:31 AM AKST (11:31 UTC), 210 km (131 mi) below the surface.
A larger quake followed: M4.6 49 km W of Nelson Lagoon, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-24 11:31:29 UTC
- Depth
- 210.1 km (130.6 mi), intermediate-depth
- Epicenter
- 56.085° N, 161.659° 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 |
|---|---|---|---|
| 3.3 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.081 · 20 stations |
| 3.1 | 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 8.7 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 135°
- Stations used
- 45
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 3 in the 30 days before it.
After
- 2.926 km SSE of Nelson Lagoon, Alaska · 3170 days ago · 8 km deep · 53 km away
- 4.649 km W of Nelson Lagoon, Alaska · 3140 days ago · 191 km deep · 22 km away
- 2.824 km W of Nelson Lagoon, Alaska · 3120 days ago · 184 km deep · 7 km away
- 2.844 km SW of Nelson Lagoon, Alaska · 3117 days ago · 175 km deep · 36 km away
- 2.150 km NE of King Cove, Alaska · 3117 days ago · 109 km deep · 76 km away
- 2.840 km NNE of King Cove, Alaska · 3115 days ago · 145 km deep · 81 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000cf1k (also filed as ak18300153, ak01813vmszu). Read Thu, Oct 1, 2026, 8:13 PM UTC.