Author Archives: Chris Rowan

Stuff we linked to on Twitter last week

Earthquakes and Tectonics The big earthquake news this week was the latest spate of activity in Christchurch, New Zealand. The BBC posted some eyewitness accounts of the latest shaking, and the Trembling Earth blog collected the best Youtube clips of … Continue reading

Categories: links

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

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

More large aftershocks rattle Christchurch: will it ever end?

Analysis of the ongoing earthquake sequence. Continue reading

Categories: earthquakes, focal mechanisms, geohazards, tectonics

Stuff we linked to on Twitter last week

Thanks for voting for Anne in the Three Quarks Daily contest. She’s been voted into the semi-finals round, and now it is up to the editors of 3QD and the judges. Do check out the list of other semi-finalists; they … Continue reading

Categories: links

Portolan Maps: the medieval GPS?

With the right chart, all medieval navigators needed to get from port to port was a compass, and a bearing to follow… Continue reading

Categories: palaeomagic