According to the Xinhua News Agency, the quake occurred offshore and had its epicentre at a latitude of 42.8° North and a ...

This delineation is critical when predicting earthquakes and tsunami waves for Canada's west coast ... Located 100-200 kilometres off the Pacific coast of North America, the Cascadia Subduction Zone ...

While scientists stress earthquakes are impossible to predict, residents are being urged to prepare for a worst-case scenario.

The advisory concerned the Nankai Trough, 800-kilometre (500-mile) undersea gully parallel to Japan's Pacific coast, between two tectonic plates. The advisory was lifted after a week.

Farther north, a 7.0-magnitude earthquake off the coast triggered a tsunami warning for parts of California and ... that tsunami partly from the oral history along the Pacific Northwest coast.

On March 11, 2011, a fault similar to the Cascadia Subduction Zone ruptured off the northeast coast of Japan. The magnitude-9 Tohoku earthquake shook the ground for roughly six minutes.

The Japan Meteorological Agency said the quake registered magnitude 7.1 and was centered in waters off the eastern coast of Japan's southern main island of Kyushu at a depth of about 18.6 miles.

Japan sits on the Pacific “Ring of Fire,” a line of seismic faults encircling the Pacific Ocean, and is one of the world's most earthquake-prone countries. An earthquake on Jan. 1 in Japan's ...

The Japan Meteorological Agency said the quake registered magnitude 7.1 and was centered in waters off the eastern coast of Japan's southern main island of Kyushu at a depth of about 18.6 miles ...