At least seven earthquakes have struck Alaska’s southern coast within 24 hours, the U.S. Geological Survey (USGS) reported. The quakes ranged from magnitude 2.5 to 5.2 and were spread across the Gulf of Alaska, from Pedro Bay to Nikolski. No damage or injuries have been reported.
The strongest quake, a 5.2, occurred about 76 miles southwest of Nikolski at a depth of 6.2 miles. It did not trigger a tsunami warning. Just two months earlier, the same region experienced a 7.3-magnitude quake that briefly raised tsunami fears.
The area lies above the Aleutian subduction zone megathrust, one of the most seismically active regions in the world. The USGS notes it has produced “at least two recorded tsunamis in the 20th century.”
“Alaska is the most seismically active state in the U.S. and one of the most active regions globally,” USGS public affairs specialist Steven Sobieszczyk told Newsweek. “This is common earthquake activity for this particular area.”
The tremors follow heightened seismicity in the North Pacific, including a major July 2025 quake near Russia’s Kamchatka Peninsula. Officials continue monitoring aftershocks and regional seismic signals.
