M4.5 earthquake 193 km W of Adak, Alaska
A magnitude 4.5 earthquake struck 193 km W of Adak, Alaska on Sun, Nov 23, 1997, 5:00 AM HAST (15:00 UTC), 131 km (82 mi) below the surface.
A larger quake followed: M5.0 190 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1997-11-23 15:00:53 UTC
- Depth
- 131.4 km (81.6 mi), intermediate-depth
- Epicenter
- 52.041° N, 179.436° 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: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.9190 km W of Adak, Alaska · 10537 days ago · 33 km deep · 50 km away
- 4.7172 km WSW of Adak, Alaska · 10529 days ago · 33 km deep · 74 km away
- 5.0190 km WSW of Adak, Alaska · 10522 days ago · 33 km deep · 83 km away
- 4.3203 km WSW of Adak, Alaska · 10515 days ago · 33 km deep · 76 km away
- 4.4180 km W of Adak, Alaska · 10513 days ago · 33 km deep · 24 km away
- 3.2137 km WSW of Adak, Alaska · 10511 days ago · 33 km deep · 83 km away
- 3.1260 km W of Adak, Alaska · 10507 days ago · 33 km deep · 79 km away
- 4.0261 km W of Adak, Alaska · 10494 days ago · 33 km deep · 81 km away
- 4.5216 km WSW of Adak, Alaska · 10484 days ago · 33 km deep · 68 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008b7g. Read Thu, Oct 1, 2026, 10:03 PM UTC.