Category Archives: tectonics

AGU Dispatches: Final Day and Final Thoughts

Unless you are presenting, the final day of a 5 day-conference can be a test of your intellectual fortitude: it can be tough to force your tired and stuffed-with-cool-new-science brain to take an interest in any more talks or posters. … Continue reading

Categories: academic life, conferences, earthquakes, geohazards, geology, geophysics, tectonics

AGU Dispatches: Superchrons and subduction

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

Categories: conferences, palaeomagic, tectonics

Hotspot volcanism on Hawaii: textbook vs reality

Just like an iceberg, the parts of the Hawaiian Islands that you see above the ocean surface are dwarfed in volume by the stuff below the waves. For a start, any volcano that forms in the middle of the Pacific … Continue reading

Categories: geology, outcrops, photos, tectonics, volcanoes

Friday Focal Mechanisms: South Australian shaking keeps Chris guessing

A Friday focal mechanism…without a focal mechanism! Can the seismic past be the key to the present? Continue reading

Categories: earthquakes, focal mechanisms, tectonics

A mountain (meta)geologist

As you might have noticed, my blogging has been a little thin on the ground recently, which means I have been remiss in pointing you to some sterling posts from fellow All-geo blogger Simon Wellings, who is writing a whole … Continue reading

Categories: geology, links, structures, tectonics