M6.2 earthquake 72 km SW of Adak, Alaska
A magnitude 6.2 earthquake struck 72 km SW of Adak, Alaska on Fri, Jul 5, 1929, 3:03 PM GMT-11 (02:03 UTC), 25 km (16 mi) below the surface.
A larger quake followed: M7.3 88 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
- 6.2 (mw), strong
- Local time
- UTC
- 1929-07-06 02:03:54 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 51.378° N, 177.323° 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.
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.7104 km W of Adak, Alaska · 35506 days ago · 35 km deep · 91 km away
- 5.8150 km SW of Adak, Alaska · 35506 days ago · 35 km deep · 78 km away
- 7.388 km WSW of Adak, Alaska · 35505 days ago · 35 km deep · 31 km away
- 6.075 km SW of Adak, Alaska · 35505 days ago · 35 km deep · 18 km away
- 6.0118 km W of Adak, Alaska · 35501 days ago · 35 km deep · 79 km away
- 5.9131 km SW of Adak, Alaska · 35479 days ago · 35 km deep · 61 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem908193 (also filed as ushis808). Read Tue, Sep 22, 2026, 7:57 AM UTC.