Mount Garibaldi, Canada’s most dangerous volcano, is showing alarming new signs of life, and officials are scrambling to assess the threat. Seismic activity has been escalating, with a swarm of small earthquakes detected beneath the mountain that experts link to fresh magma movement.
The Tintina Fault, a major crack in the Earth’s crust running for hundreds of miles toward Alaska beneath Dawson City in the Yukon, may be capable of producing a magnitude 7.5 earthquake. For decades, scientists believed the fault had been inactive for over 40 million years, but recent research suggests it has been accumulating strain.Dawson City, a small town of about 1,600 residents known for it…