Unalaska, AK – A magnitude 5.0 earthquake struck 133 kilometers south of Unalaska, Alaska, early Tuesday morning.
According to the U.S. Geological Survey (USGS), the earthquake occurred at 11:55 UTC at a depth of 17.8 kilometers. The tremor was lightly felt in the surrounding areas, with no reports of significant damage or injuries.
USGS data indicates this event may be a mainshock, with a 28% chance of aftershocks stronger than magnitude 4.0 within the next week. Residents are advised to remain prepared for potential seismic activity.
The quake occurred in the Aleutian Arc, a geologically active region where tectonic plates meet. Unalaska and the surrounding areas experience frequent seismic events due to this tectonic activity.
Local emergency services are monitoring the situation but have not reported disruptions. Officials encourage residents to review earthquake safety measures and secure loose items in homes.
For further updates and safety guidance, visit the USGS website or follow local emergency alerts.



