Author Archives: Chris Rowan

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

Why does a compass point north? A mystery at the heart of the story of science (book review)

Strange as it might seem, I’m finding North Pole, South Pole, paleomagnetist Gillian Turner’s newly published account of “the epic quest to solve the great mystery of Earth’s magnetism”, a difficult book to review. It’s not that I didn’t enjoy … Continue reading

Categories: geophysics, palaeomagic, public science, reviews