M4.2 earthquake 296 km WSW of Adak, Alaska
A magnitude 4.2 earthquake struck 296 km WSW of Adak, Alaska on Fri, Jun 5, 1998, 4:27 PM GMT+12 (04:27 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-06-05 04:27:10 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.032° N, 179.320° E
- 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
- 4.2278 km WSW of Adak, Alaska · 10339 days ago · 66 km deep · 20 km away
- 4.1274 km WSW of Adak, Alaska · 10339 days ago · 61 km deep · 27 km away
- 4.5241 km WSW of Adak, Alaska · 10318 days ago · 33 km deep · 55 km away
- 3.8268 km W of Adak, Alaska · 10304 days ago · 100 km deep · 90 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008pby. Read Fri, Oct 2, 2026, 9:00 AM UTC.