Tag Archives: Sendai

Earthquake location matters, part eleventy

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

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