4.9Light
M 4.9 - 234 km ESE of Attu Station, Alaska
234 km ESE of Attu Station, Alaska
March 18, 2026 at 1:36 PM UTC
Alaska EarthquakesSeismic Data
Magnitude
M4.9
Light
Depth
6.8 km
below surface
Coordinates
52.1361ยฐN, 176.4408ยฐE
epicenter
Shakemap MMI
3.7
Modified Mercalli Intensity
About This Earthquake
This was a light earthquake registering M4.9 on the moment magnitude scale. It struck at 234 km ESE of Attu Station, Alaska at a depth of 6.8 km below the surface.
The earthquake occurred on March 18, 2026 at 1:36 PM UTC. View the full USGS event page for detailed waveform data, station information, and ShakeMap products: USGS Event us6000sh32.
Frequently Asked Questions
How strong was the 234 km ESE of Attu Station, Alaska earthquake?
This was a light earthquake with a magnitude of 4.9. Earthquakes of this magnitude are felt by many but usually cause little damage.
Where was the 234 km ESE of Attu Station, Alaska earthquake felt?
The earthquake occurred at 234 km ESE of Attu Station, Alaska at a depth of 6.8 km. This event occurred in or near Alaska.