M4.1 earthquake 210 km W of Adak, Alaska
A magnitude 4.1 earthquake struck 210 km W of Adak, Alaska on Sun, Feb 8, 1998, 7:16 AM HAST (17:16 UTC), 99 km (61 mi) below the surface.
A larger quake followed: M4.6 287 km WSW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-02-08 17:16:07 UTC
- Depth
- 98.9 km (61.5 mi), intermediate-depth
- Epicenter
- 51.718° N, 179.669° 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.
- Depth from
- FROM_LOCATION
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
- 3.6195 km W of Adak, Alaska · 10457 days ago · 100 km deep · 20 km away
- 3.6169 km W of Adak, Alaska · 10420 days ago · 33 km deep · 63 km away
- 4.6287 km WSW of Adak, Alaska · 10410 days ago · 33 km deep · 82 km away
- 4.6291 km WSW of Adak, Alaska · 10410 days ago · 33 km deep · 87 km away
- 4.0140 km W of Adak, Alaska · 10404 days ago · 33 km deep · 71 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008fpk. Read Fri, Oct 2, 2026, 12:02 AM UTC.