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New research warns of earthquake risk from Canadian fault

The Tintina fault, long thought inactive, could lead to a major earthquake, according to a new study.

July 29, 2025 at 10:22 AM

Fault line on Canadian border thought dormant for years could cause major earthquake, new study shows

A recent study highlights potential earthquake risks associated with the Tintina fault.

Major earthquake risk emerging along neglected Canadian fault line

A new study shows that the Tintina fault on the Canadian border, once deemed dormant for millions of years, may be active, increasing the risk of significant earthquakes in the region. Stretching about 600 miles from northeastern British Columbia to Alaska, this fault has been found to have movements that could lead to a major quake of at least magnitude 7.5 in the future. Researchers used advanced technology to discover geological formations along the fault that indicate significant activity over the past 12,000 years. The findings underscore the importance of revisiting fault systems previously assumed to be stable.

Key Takeaways

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New data reveals that the Tintina fault is potentially active.

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It stretches from British Columbia into Alaska over 600 miles.

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The fault has not ruptured in over 12,000 years but could generate a significant earthquake.

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Major earthquakes, particularly above magnitude 7, are relatively rare but very destructive.

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Experts stress the need for further study of this fault system.

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Communities in British Columbia, Alberta, and Montana might face tremors if the fault activates.

"The Tintina fault represents an important, previously unrecognized, seismic hazard to the region."

This quote highlights the newly discovered risks posed by the Tintina fault.

"If this were to be released, it would cause a significant earthquake."

A clear warning about the potential for severe seismic activity from the fault.

The Tintina fault's newfound potential for seismic activity raises pressing concerns. As populations grow in nearby regions, the implications of a major earthquake could be devastating. Experts like Dr. Michael West call for renewed studies of these fault systems to better understand the risks they pose. The findings indicate not only a shift in geological understanding but also a potential need for increased preparedness in communities at risk from this largely overlooked fault line.