M4.9 earthquake 92 km SE of Attu Station, Alaska
A magnitude 4.9 earthquake struck 92 km SE of Attu Station, Alaska on Tue, Jun 26, 1973, 5:35 PM GMT+12 (05:35 UTC), 41 km (25 mi) below the surface.
A larger quake followed: M5.2 98 km SE of Attu Station, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1973-06-26 05:35:17 UTC
- Depth
- 41.0 km (25.5 mi), shallow
- Epicenter
- 52.239° N, 174.107° 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
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 49
Nearby
Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00002dk. Read Tue, Sep 22, 2026, 10:44 AM UTC.