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Tag Archives: subduction

A week of big earthquakes in Iran

Posted on April 16, 2013 by Chris Rowan

Squashed and squeezed between the Eurasian continent to the north and the northward-moving Arabian plate to the south, it is no surprise that Iran is a seismically active country, and in the past week it has been living up to … Continue reading →

Categories: earthquakes, focal mechanisms, tectonics

AGU Dispatches: Superchrons and subduction

Posted on December 4, 2012 by Chris Rowan

I started the day with my paleomagician’s hat on, sitting in on a session looking at the long term behaviour of the Earth’s dynamo. Changes in the strength and reversal frequency of the Earth’s magnetic field give a unique insight … Continue reading →