M2.5 earthquake 164 km WNW of Nikolski, Alaska
A magnitude 2.5 earthquake struck 164 km WNW of Nikolski, Alaska on Thu, May 10, 2018, 3:00 PM HADT (00:00 UTC), 181 km (112 mi) below the surface.
A larger quake followed: M4.1 72 km WNW of Nikolski, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-05-11 00:00:06 UTC
- Depth
- 180.5 km (112.2 mi), intermediate-depth
- Epicenter
- 53.664° N, 171.009° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
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 19.2 km horizontally, 26.9 km in depth
- Depth from
- From location
- Station coverage gap
- 244°, 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: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.9148 km W of Nikolski, Alaska · 3058 days ago · 26 km deep · 74 km away
- 2.4196 km NW of Nikolski, Alaska · 3044 days ago · 28 km deep · 65 km away
- 2.4Fox Islands, Aleutian Islands, Alaska · 3035 days ago · 109 km deep · 97 km away
- 4.172 km WNW of Nikolski, Alaska · 3031 days ago · 154 km deep · 92 km away
- 3.2155 km WNW of Nikolski, Alaska · 3031 days ago · 186 km deep · 36 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000e5wp. Read Thu, Oct 1, 2026, 7:12 PM UTC.