Tag Archives: GPS

Two reflections on the largest earthquake yet recorded, 60 years later.

Posted on May 26, 2020 by Chris Rowan

It has been 60 years since a magnitude 9.5 earthquake struck the Chilean coast near Valdivia. The stats for this earthquake remain pretty mind-blowing even today. It is still the largest earthquake ever recorded – over 20% of the Earth’s seismic energy … Continue reading →

Categories: earthquakes, geohazards, tectonics

In large earthquakes, the Earth moves for almost everyone

Posted on May 17, 2013 by Chris Rowan

The Global Positioning System has completely revolutionised how geologists study the deformation of the Earth. If you leave a GPS receiver in a fixed location for days, months and years, it is precise enough to measure motions on the millimetre … Continue reading →

Categories: earthquakes, paper reviews, tectonics

Sendai/Tohoku earthquake round-up

Posted on March 20, 2011 by Chris Rowan

It’s hardly surprising that my browsing this week has been focussed largely on the aftermath of the earthquake and tsunami in Japan (which is now officially being referred to as the Tohuku earthquake, rather than the Sendai earthquake; I’d complain … Continue reading →

Categories: earthquakes, geohazards, links