M4.5 earthquake 230 km WSW of Adak, Alaska
A magnitude 4.5 earthquake struck 230 km WSW of Adak, Alaska on Sun, Nov 8, 1998, 5:00 PM HAST (03:00 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 Rat Islands, Aleutian Islands, 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
- 1998-11-09 03:00:41 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.417° N, 179.884° 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
- OPERATOR_ASSIGNED
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.8Rat Islands, Aleutian Islands, Alaska · 10179 days ago · 33 km deep · 98 km away
- 4.5139 km WSW of Adak, Alaska · 10171 days ago · 33 km deep · 91 km away
- 4.3233 km WSW of Adak, Alaska · 10157 days ago · 33 km deep · 20 km away
- 3.9253 km WSW of Adak, Alaska · 10153 days ago · 33 km deep · 69 km away
- 4.2229 km W of Adak, Alaska · 10147 days ago · 120 km deep · 47 km away
- 3.6295 km W of Adak, Alaska · 10134 days ago · 33 km deep · 83 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008xvx. Read Fri, Oct 2, 2026, 6:28 PM UTC.