M4.7 Earthquake 152 km SE of Attu Station, Alaska — April 14, 2026
2026-04-14 12:45:45 UTC (4 days ago)
On April 14, 2026 at 12:45 UTC, a magnitude 4.7 shallow crustal earthquake struck 152 km SE of Attu Station, Alaska, at a depth of 61.7 km and coordinates 52.0961°, 175.0556°. This earthquake was detected by 104 seismic stations with good location accuracy and was assigned a USGS significance rating of 340, placing it among routine seismic activity.
The epicenter is located in Alaska, a region characterized by Pacific Plate subduction beneath the North American Plate, producing frequent megathrust and crustal earthquakes along the Aleutian arc. The nearest mapped fault system is the Aleutian megathrust. View all earthquakes in Alaska.
Learn more: Magnitude scale · Aftershock sequences
Earthquake Details
175.0556°E
Technical Information
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Common Questions
How strong was the magnitude 4.7 earthquake near Attu Station, Alaska?
The magnitude 4.7 earthquake that struck 152 km SE of Attu Station, Alaska on April 14, 2026 at 12:45 UTC had a depth of 61.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 52.0961°, 175.0556°, which is 152 km SE of Attu Station, Alaska. View all earthquakes in Alaska.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
Has Alaska had earthquakes this big before?
The largest recorded earthquake in Alaska was the M9.2 Great Alaska earthquake of March 27, 1964. Today's magnitude 4.7 event is significantly smaller than that historical record.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.