M4.1 earthquake 160 km WSW of Adak, Alaska
A magnitude 4.1 earthquake struck 160 km WSW of Adak, Alaska on Thu, Jun 11, 1998, 12:49 AM HADT (09:49 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.5 241 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
- 1998-06-11 09:49:45 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.380° N, 178.810° 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: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.2175 km WSW of Adak, Alaska · 10339 days ago · 33 km deep · 15 km away
- 4.5241 km WSW of Adak, Alaska · 10318 days ago · 33 km deep · 81 km away
- 4.3112 km WSW of Adak, Alaska · 10291 days ago · 33 km deep · 48 km away
- 4.2143 km WSW of Adak, Alaska · 10288 days ago · 33 km deep · 17 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008pr0. Read Fri, Oct 2, 2026, 5:54 AM UTC.