Tag Archives: tsunami

317 years since the last rupture of the Cascadia megathrust

At around 9pm on the 26th January 1700, the Cascadia subduction zone – a shallowly dipping thrust fault that runs more than 1000 km north from Cape Mendocino in Northern California to the vicinity of Vancouver Island, ruptured in an estimated magnitude 9 earthquake. Continue reading

Categories: earthquakes, geohazards, society

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

Where tsunamis and nuclear power could meet

Out of all the devastation wrought by the Tohuku earthquake and tsunami in March 2011, the escalating disaster at the Fukushima nuclear plant has ended up having the biggest global impact. A catastrophic loss of cooling led to meltdowns, explosions … Continue reading

Categories: geohazards, society

The humbling legacy of the Tohoku earthquake

A year ago on Sunday, one of the biggest earthquakes ever recorded ruptured the subduction megathrust that dips beneath the east coast of Japan. The rupture displaced the seafloor by tens of metres and generated tsunami waves up to 20 … Continue reading

Categories: earthquakes, geohazards, tectonics

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