M4.6 earthquake 200 km W of Adak, Alaska
A magnitude 4.6 earthquake struck 200 km W of Adak, Alaska on Tue, Oct 15, 1996, 11:20 AM HADT (20:20 UTC), 80 km (50 mi) below the surface.
A larger quake followed: M5.2 142 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
- 4.6 (mb), light
- Local time
- UTC
- 1996-10-15 20:20:08 UTC
- Depth
- 80.4 km (50.0 mi), intermediate-depth
- Epicenter
- 51.719° N, 179.526° 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 1.6 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.4134 km WSW of Adak, Alaska · 10934 days ago · 33 km deep · 86 km away
- 5.2142 km WSW of Adak, Alaska · 10933 days ago · 33 km deep · 84 km away
- 4.4277 km WSW of Adak, Alaska · 10931 days ago · 33 km deep · 93 km away
- 5.0121 km WSW of Adak, Alaska · 10929 days ago · 33 km deep · 95 km away
- 4.5145 km WSW of Adak, Alaska · 10910 days ago · 33 km deep · 70 km away
- 3.9219 km W of Adak, Alaska · 10892 days ago · 33 km deep · 20 km away
- 4.3195 km WNW of Adak, Alaska · 10887 days ago · 247 km deep · 85 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0007rfq. Read Wed, Sep 30, 2026, 1:00 PM UTC.