M5.6 earthquake 22 km SSW of Adak, Alaska
A magnitude 5.6 earthquake struck 22 km SSW of Adak, Alaska on Sun, May 6, 1984, 10:54 AM HADT (19:54 UTC), 58 km (36 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mw), moderate
- Local time
- UTC
- 1984-05-06 19:54:49 UTC
- Depth
- 58.0 km (36.0 mi), shallow
- Epicenter
- 51.688° N, 176.774° 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.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000246a (also filed as gcmtb050684c, ushis3847, gcmt19840506195449, iscgem552371). Read Tue, Sep 22, 2026, 12:12 PM UTC.