M4.3 earthquake 42 km S of Adak, Alaska
A magnitude 4.3 earthquake struck 42 km S of Adak, Alaska on Wed, Oct 14, 1998, 3:41 PM HADT (00:41 UTC), 67 km (42 mi) below the surface.
A larger quake followed: M5.3 70 km SSE 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-10-15 00:41:34 UTC
- Depth
- 66.8 km (41.5 mi), shallow
- Epicenter
- 51.497° N, 176.698° 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: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.523 km W of Adak, Alaska · 10208 days ago · 60 km deep · 44 km away
- 5.370 km SSE of Adak, Alaska · 10196 days ago · 33 km deep · 40 km away
- 4.673 km SSE of Adak, Alaska · 10196 days ago · 33 km deep · 45 km away
- 4.077 km SSE of Adak, Alaska · 10195 days ago · 33 km deep · 51 km away
- 5.241 km NE of Adak, Alaska · 10194 days ago · 35 km deep · 77 km away
- 4.324 km SW of Adak, Alaska · 10190 days ago · 58 km deep · 26 km away
- 4.7115 km SW of Adak, Alaska · 10172 days ago · 33 km deep · 95 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008whd. Read Fri, Oct 2, 2026, 11:51 AM UTC.