Tag Archives: orogeny

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

Friday Focal Mechanism: the Himalayas’ long tectonic shadow

Posted on February 1, 2013 by Chris Rowan

It wasn’t the biggest seismic event of the week, but this shallow (15 km depth) magnitude 6.0 that shook the remote southeast corner of Kazakstan on Monday still caught my attention. Located within the Tian Shan mountains, this earthquake is … Continue reading →

Categories: earthquakes, focal mechanisms, tectonics

Scenic Saturday: a good place to map

Posted on October 20, 2012 by Chris Rowan

As part of Earth Science Week, yesterday was geologic map day – a celebration of the importance of maps in geology. This had me waxing nostalgic about the weeks I spent teaching mapping in the Cantabrians of northwest Spain, before … Continue reading →

Categories: fieldwork, geology, photos