Was there a tsunami warning issued after the earthquake?
No, there was no tsunami threat issued by the U.S. Tsunami Warning System.
News / Natural Disasters
A magnitude 6.4 earthquake struck near the Aleutian Islands in Alaska on March 4, 2026. The earthquake occurred east-southeast of Attu Station. No tsunami threat was issued following the event.
On March 4, 2026, a magnitude 6.4 earthquake struck near the Aleutian Islands in Alaska. The epicenter was located approximately 139 miles east-southeast of Attu Station. According to the U.S. Geological Survey, the earthquake occurred at 8:54 a.m. local time (AKST) on the Denali fault line, which has been active over the past 48 hours. While Alaska is one of the most seismically active regions in the United States, experiencing around 1,000 earthquakes each month, the majority are small. This particular quake was strong enough to potentially cause slight damage to buildings, although initial reports suggest no significant land or structural damage occurred. Two aftershocks, with magnitudes 4.9 and 4.6, followed the initial earthquake.
Earthquake Magnitude Scale: - Below 2.5: Generally not felt - 2.5 to 5.4: Minor or no damage - 5.5 to 6.0: Slight damage to buildings - 6.1 to 6.9: Serious damage - 7.0 to 7.9: Major earthquake. Serious damage. - 8.0 or greater: Massive damage, can destroy communities
No, there was no tsunami threat issued by the U.S. Tsunami Warning System.
Alaska experiences approximately 1,000 earthquakes each month, accounting for 11% of the world's total recorded earthquakes.
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