M4.9 earthquake 190 km WSW of Adak, Alaska
A magnitude 4.9 earthquake struck 190 km WSW of Adak, Alaska on Fri, Sep 7, 1973, 3:13 PM GMT-10 (01:13 UTC), 54 km (34 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1973-09-08 01:13:52 UTC
- Depth
- 54.0 km (33.6 mi), shallow
- Epicenter
- 51.295° N, 179.228° 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.
- Stations used
- 42
Nearby
Within 100 km, magnitude 1.9 and up: 0 in the 60 days after this one and 6 in the 30 days before it.
Before
- 4.5202 km WSW of Adak, Alaska · 19384 days ago · 60 km deep · 16 km away
- 4.5187 km WSW of Adak, Alaska · 19384 days ago · 62 km deep · 25 km away
- 4.6193 km WSW of Adak, Alaska · 19385 days ago · 51 km deep · 2 km away
- 4.5191 km WSW of Adak, Alaska · 19385 days ago · 53 km deep · 6 km away
- 5.2129 km WSW of Adak, Alaska · 19385 days ago · 59 km deep · 61 km away
- 5.3195 km WSW of Adak, Alaska · 19385 days ago · 48 km deep · 6 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00003c5. Read Tue, Sep 22, 2026, 4:16 PM UTC.