Tag Archives: tsunami

The slowly building threat of Cascadia – and the slow realisation it was there (book review)

Posted on June 17, 2011 by Chris Rowan

If you asked the average person on the street which part of the USA was most threatened by earthquakes, most of them would probably say California. The San Andreas Fault is so embedded into the popular consciousness that it is … Continue reading →

Categories: earthquakes, geohazards, reviews

Sendai/Tohoku earthquake round-up

Posted on March 20, 2011 by Chris Rowan

It’s hardly surprising that my browsing this week has been focussed largely on the aftermath of the earthquake and tsunami in Japan (which is now officially being referred to as the Tohuku earthquake, rather than the Sendai earthquake; I’d complain … Continue reading →

Categories: earthquakes, geohazards, links

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

Magnitude 8.9 (or 9.0, or 9.1!) Earthquake off the coast of Japan

Posted on March 11, 2011 by Chris Rowan

Around 3pm local time yesterday, there was a massive earthquake about 100 miles off the east coast of northern Honshu Island, Japan. Initially calculated to be a magnitude 8.9, it has since been upgraded: the current CMT solution at the … Continue reading →

Categories: earthquakes, focal mechanisms, geohazards, tectonics