Author Archives: Chris Rowan

Shaking in Christchurch boosted by seismic lensing?

Even taking into account how close the rupture point of Tuesday’s earthquake was to Christchurch, the intensity of the shaking – and the amount of damage that the city suffered as a consequence – seems to be very high for … Continue reading

Categories: earthquakes, geohazards, geophysics

Magnitude 6.3 earthquake rocks Christchurch

[Note: see the bottom of this post for the latest updates and links – last update 26th February]. A few hours ago, Christchurch, the largest city on the South Island of New Zealand, was once again shaken by a large … Continue reading

Categories: earthquakes, focal mechanisms, geohazards, society, tectonics

A new blog at All-geo: Volcan01010

I’m very pleased to announce a new blog here at All-geo. Volcan01010 is written by volcanologist John Stevenson, a compatriot from my undergraduate days. You might recall his excellent posts during last years’ eruption of Eyjafjallajökull, which provided expert commentary … Continue reading

Categories: bloggery, links, volcanoes

Stuff we linked to on Twitter last week

A light dose of linkage this week: for various reasons, both of your Highly Allochthonous bloggers found themselves distracted by the real world in the past few days. Normal tweeting and blogging service should resume shortly! Blogs in motion A … Continue reading

Categories: links

New at Erratics: more adventures in copper mineralisation

Nina Fitzgerald, our latest Earth Science Erratics contributor, continues and concludes her run of guest posts with two more articles on copper mineralisation. In the first, she explains the role of hydrothermal sulphide mineralisation in forming copper ore: Still wondering … Continue reading

Categories: links, rocks & minerals