M4.5 earthquake 113 km NNE of Adak, Alaska
A magnitude 4.5 earthquake struck 113 km NNE of Adak, Alaska on Mon, Oct 26, 1998, 8:59 AM HAST (18:59 UTC), 208 km (129 mi) below the surface.
A larger quake followed: M5.2 41 km NE 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-10-26 18:59:00 UTC
- Depth
- 208.1 km (129.3 mi), intermediate-depth
- Epicenter
- 52.805° N, 175.956° 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.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008x3r. Read Sat, Oct 3, 2026, 12:42 PM UTC.