US Edition
Study Finds Magnitude 7.5+ Earthquake Potential on Canada's Tintina Fault
- A study published in July 2025 identified the Tintina Fault in Yukon as a potential source of earthquakes with magnitudes of 7.5 or higher, based on research conducted by scientists from the University of Victoria.
- The fault was previously thought inactive for 40 million years, but new evidence shows multiple large earthquakes over the Quaternary period and a slip deficit of six meters in 12,000 years.
- The study identified a 130-kilometer fault segment near Dawson City, less than 20 km from the town, where earthquake-triggered shaking could damage highways, mining infrastructure, and trigger landslides.
- Dettmer noted that while the paper does not represent an official hazard assessment, it is likely to prompt a number of new research efforts in the coming years aimed at gaining a clearer understanding of the fault's behavior.
- These findings suggest the Tintina Fault poses an unrecognized seismic hazard that should be integrated into Canada’s national seismic hazard model and risk maps to improve regional earthquake preparedness.
16 Articles
16 Articles
The Independent
The Independent (US)Fault line on Canadian border could cause major earthquake, new study shows
The new study reveals more recent activity along the Tintina fault, which stretches about 600 miles, from northeastern British Columbia into Alaska
Hidden fault line could lead to ‘catastrophic’ earthquake stretching from US to Canada, scientists warn
Scientists with the University of Victoria in British Columbia, Canada, have warned that the overlooked Tintina fault line could unleash catastrophic earthquakes across North America -- disrupting infrastructure, triggering landslides and impacting thousands of people from Alaska to Montana.
Scientists Warn: Tintina Fault Could Unleash Major Earthquake
A major fault in Canada’s Yukon Territory, long thought dormant, has shown signs of recent seismic activity. A new study from the University of Victoria (UVic) has brought attention to a newly identified seismic threat in northwestern Canada’s Yukon Territory. Stretching approximately 1,000 kilometers, the Tintina fault cuts northwest across the region and has shifted [...]
Juneau Empire
Yukon NewsTintina Fault in the Yukon prone to large quakes, study reveals
Juneau Empire Juneau Empire - The Voice of Alaska's Capital Since 1912 Researchers at the University of Victoria found that the previously overlooked Tintina Fault could pose a hazard to the Klondike Tintina Fault in the Yukon prone to large quakes, study reveals Wire Service
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