Photo: Kyodo/AP A person views a monument listing the names of the victims of the massive March 11, 2011, earthquake and tsunami in Kesennuma, Japan's northeastern Miyagi prefecture. Photo: Kyodo ...

Amber deposits in Japan show unique deformations that suggest trees were swept out to sea during a tsunami about 115 million years ago, giving paleontologists a new way to identify past tsunamis.

A magnitude 8 quake can cause tremendous damage in populated areas. Hokkaido is the most sparsely populated of Japan's major islands. A quake and tsunami on the island killed 230 people in 1993.

In Japan, tsunami waves of about 1 foot hit the coastal city of Wakkanai on the country’s northernmost island of Hokkaido shortly before 2 p.m., according to the Meteorological Agency. Smaller waves ...

According to mapping by the United States Geological Survey, the 6.5-magnitude earthquake happened north of Hokkaido. The quake was reported just before 5:30 p.m.

In an inlet, it can rise to a towering height very quickly. In 1993, a tsunami caused by a 7.8 magnitude earthquake killed about 200 people on the island of Okushiri, off Hokkaido's southwestern ...