M4.2 earthquake 46 km N of Adak, Alaska
A magnitude 4.2 earthquake struck 46 km N of Adak, Alaska on Tue, Aug 27, 1996, 4:06 PM HADT (01:06 UTC), 100 km (62 mi) below the surface.
A larger quake followed: M5.1 33 km SE 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
- 1996-08-28 01:06:13 UTC
- Depth
- 100.0 km (62.1 mi), intermediate-depth
- Epicenter
- 52.290° N, 176.611° 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: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.133 km SE of Adak, Alaska · 10982 days ago · 60 km deep · 72 km away
- 4.689 km NE of Adak, Alaska · 10938 days ago · 102 km deep · 62 km away
- 4.754 km SW of Adak, Alaska · 10937 days ago · 42 km deep · 93 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0007p4u. Read Sat, Oct 3, 2026, 4:34 PM UTC.