Tag Archives: Sendai

Earthquake location matters, part eleventy

Posted on April 12, 2011 by Chris Rowan

It’s been a month since the Tohuku earthquake and tsunami rattled then swamped northern Honshu, and Japan continues to be rattled by sizeable aftershocks. A magnitude 7.1 shock last Thursday initially set off further tsunami alerts but the rupture turned … Continue reading →

Categories: earthquakes, focal mechanisms, geohazards, society

Reverberations of the Honshu tsunami

Posted on March 18, 2011 by Anne Jefferson

On Friday 11 March 2011, when the fault ruptured off of the Japanese coast in a M9.0 earthquake, it caused a sudden vertical movement of the seafloor, displacing the water above it and transferring energy to the ocean. As the … Continue reading →

Categories: basics, by Anne, geohazards, tectonics