Category Archives: geohazards

The geodetic fingerprints of shallow thrusting in Nepal

NASA’s Earth Observatory put out this great image last week, which shows the ground displacement in Nepal resulting from last month’s devastating magnitude 7.8 earthquake, which has claimed at least 8,500 lives. The vertical displacements have been calculated by comparing … Continue reading

Categories: earthquakes, geohazards, structures, tectonics

Sumatra +10: contemplating the power of tsunami

Whilst touring Port Lockroy in Antarctica last Christmas Day, one of the exhibits describing the scientific research undertaken there had this interesting footnote: This is pretty mind-blowing, if you think about it: an isolated Antarctic outpost at around 65 degrees … Continue reading

Categories: earthquakes, geohazards, society

Puerto Rico sends the Caribbean a sobering seismic anniversary present

Four years ago on Sunday, Haiti, and particularly its capital, Port-au-Prince, was devastated by a shallow magnitude 7.0 earthquake, which killed many tens, and possibly hundreds of thousands of people*, and left more than a million people homeless. Even today, … Continue reading

Categories: earthquakes, focal mechanisms, geohazards, society

No. Whatever it is this time, it really can’t predict earthquakes.

One of the courses I’m teaching each semester here in Kent is called ‘Earth Dynamics': an introductory-level geology course aimed at the broader undergraduate population. With that in mind, I try to identify and highlight areas where the topic at … Continue reading

Categories: earthquakes, geohazards, public science, ranting, society, teaching

The dimensions of natural disasters

“If you’re not on a fault zone, a volcanically active zone, or a tsunami zone, you’re probably in a valley that’s prone to flooding or having things tumble down the hills towards you.” So opines risk consultant Tony Taig in … Continue reading

Categories: earthquakes, geohazards, public science