Land topography is usually formed gradually over long periods of time, but sometimes a single event can dramatically change ...

A 6.9-magnitude earthquake that rocked the southwestern part of Japan has triggered a tsunami advisory for the entire country. According to the Japanese Meteorological Agency, the earthquake ...

The earthquake in Japan was a magnitude of 6.7, according to CBS News. It was initially measured as a 6.9, but Japan’s meteorological agency decreased it after re-examining the event.

A strong earthquake struck southwestern Japan, the U.S. Geological Survey said, prompting authorities to issue a tsunami advisory.