When aftershock data is available, the corresponding maps and charts include earthquakes within 100 miles and seven days of the initial quake. All times above are Japan time. Shake data is as of ...

Two of Japan's nuclear power plants were rattled on Monday when a magnitude 6.6 earthquake struck southwest Japan, prompting a tsunami advisory for parts of the region. This map shows the ...

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

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

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.

Experts have cautioned that while small tremors help release some energy, they don’t eliminate the risk of a major quake.

A record-breaking deep earthquake registered in May 2015 offshore of Japan likely was not a tectonic event but triggered by a ...

Japan's nuclear plants faced global scrutiny after the devastating 2011 tsunami triggered by a 9.0 magnitude earthquake.