M4.5 earthquake 281 km WSW of Adak, Alaska
A magnitude 4.5 earthquake struck 281 km WSW of Adak, Alaska on Thu, Nov 22, 1984, 5:58 PM GMT+12 (05:58 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1984-11-22 05:58:01 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 50.954° N, 179.596° E
- 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: 0 in the 60 days after this one and 6 in the 30 days before it.
Before
- 4.6Rat Islands, Aleutian Islands, Alaska · 15279 days ago · 33 km deep · 32 km away
- 4.5Rat Islands, Aleutian Islands, Alaska · 15279 days ago · 33 km deep · 37 km away
- 4.8286 km WSW of Adak, Alaska · 15279 days ago · 33 km deep · 23 km away
- 5.9Rat Islands, Aleutian Islands, Alaska · 15282 days ago · 39 km deep · 42 km away
- 5.3275 km WSW of Adak, Alaska · 15301 days ago · 57 km deep · 24 km away
- 5.4282 km WSW of Adak, Alaska · 15302 days ago · 39 km deep · 21 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000299q. Read Tue, Sep 22, 2026, 10:19 AM UTC.