M4.6 earthquake 46 km SSW of Adak, Alaska
A magnitude 4.6 earthquake struck 46 km SSW of Adak, Alaska on Mon, Sep 1, 1997, 4:16 PM HADT (01:16 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.4 99 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1997-09-02 01:16:16 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.479° N, 176.853° 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 1.6 and up: 10 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.061 km E of Adak, Alaska · 10614 days ago · 53 km deep · 93 km away
- 4.271 km SSW of Adak, Alaska · 10608 days ago · 33 km deep · 25 km away
- 4.555 km SSE of Adak, Alaska · 10606 days ago · 33 km deep · 46 km away
- 4.9113 km WSW of Adak, Alaska · 10585 days ago · 33 km deep · 91 km away
- 4.587 km SW of Adak, Alaska · 10583 days ago · 33 km deep · 57 km away
- 6.499 km WSW of Adak, Alaska · 10579 days ago · 22 km deep · 71 km away
- 4.7107 km SW of Adak, Alaska · 10577 days ago · 33 km deep · 74 km away
- 4.571 km ESE of Adak, Alaska · 10569 days ago · 33 km deep · 79 km away
- 4.555 km SSE of Adak, Alaska · 10566 days ago · 33 km deep · 35 km away
- 4.483 km SSW of Adak, Alaska · 10563 days ago · 33 km deep · 38 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008715. Read Thu, Oct 1, 2026, 11:40 PM UTC.