An initial tsunami wave approximately 1 meter (3.2 feet ... Tokyo and killed at least 20,000 people. The 9.1 magnitude Tohoku earthquake spiraled into a fierce tsunami and nuclear disaster ...

A strong earthquake shook the Tohoku region on the morning of April 2, but there were no reports of injuries and no tsunami threat. The quake struck at 4:24 a.m., with its epicenter off the coast ...

Port disruptions are costly—very costly. While the 2011 Tohoku tsunami caused about $12 billion in damages to port facilities and vessels, the ensuing port disruptions resulted in a loss in ...