A powerful earthquake with a magnitude of 7.0 struck a remote, mountainous region along the border of Alaska and Canada’s Yukon Territory on Saturday, according to the United States Geological Survey (USGS). The quake, which occurred at 9:41 p.m. Central European Time, was followed by more than 30 aftershocks in the span of three hours, with magnitudes ranging from 3.3 to 5.1.
The epicenter was located approximately 248 kilometers west of Whitehorse, the capital of Yukon, an area known for its sparse population, rugged terrain and limited infrastructure. Early assessments from both U.S. and Canadian officials indicated that the tremor caused no reported injuries or structural damage, a result attributed in part to the region’s low population density.
Theo Capes, the police chief in Yakutat — a small Alaskan community closest to the affected zone — told AFP that the earthquake “lasted surprisingly long, about 15 to 20 seconds.” Residents, he said, were shaken by the intensity but relieved that the event did not produce more severe consequences.
Earthquakes of this scale are not unusual in Alaska, one of the most seismically active areas in the world, sitting along the Pacific Ring of Fire. The Yukon region, though less frequently affected, shares geological fault systems with Alaska, making cross-border seismic events a periodic concern.
The USGS and the U.S. tsunami warning system confirmed that no tsunami risk stemmed from the quake, as its depth and inland location minimized the likelihood of oceanic displacement. Authorities nonetheless encouraged residents in nearby communities to remain alert as aftershocks continued through the night.
Seismologists note that while strong earthquakes in unpopulated areas often pass without major consequences, they can provide valuable data on tectonic movements in the region. Saturday’s event, they said, reinforces the importance of maintaining monitoring systems and preparedness plans in both Alaska and northern Canada, where harsh weather and limited accessibility can hinder emergency response.
Canadian and U.S. geological agencies are expected to release updated assessments in the coming days as aftershock activity stabilizes and more detailed data is analyzed.