A long-overlooked geologic fault in Canada's remote north may be capable of producing a massive earthquake, according to new research. The Tintina Fault, stretching about 620 miles (1,000 kilometers) ...

A brand new 45-mile fault line has been discovered stretching along Canada's Vancouver Island, just north of the Washington state border, and may pose a tsunami risk to people nearby. The fault line ...

Faults like San Andreas don't necessarily repeat past behavior, which means the next big earthquake in California has the potential to be larger than any seen before, a new study suggests. The fresh ...