December 2004 saw one of the deadliest natural disasters in recorded history. 228,000 people were killed when an earthquake off the coast of the Indonesian island of Sumatra triggered tsunami waves up to 30 m high. The destruction was extreme as the waves hit 14 different countries around the Indian Ocean. Economic losses totalled over …[Read More]
GeoLog
Imaggeo on Mondays: A volcanic point of view
It’s not every day that you can peer into a volcano, much less gaze out at the sky from the inside of one. The Algar do Carvão, or “the Cavern of Coal,” is one of the few places on Earth where you can explore the underground reaches of a volcanic site. The volcanic pit is …[Read More]
Plate Tectonics and Ocean Drilling – Fifty Years On
What does it take to get a scientific theory accepted? Hard facts? A strong personality? Grit and determination? For many Earth Scientists today it can be hard to imagine the academic landscape before the advent of plate tectonics. But it was only fifty years ago that the theory really became cemented as scientific consensus. And …[Read More]
Imaggeo on Mondays: River in a charoite schist
Polarized light photomicrograph of a thin section of a charoite-bearing schist. Charoite is a rare silicate found only at one location in Yakutia, Russia. For its beautiful and uncommon purple color it is used as a semi-precious stone in jewelry. Under the microscope charoite-bearing rocks give an overall feeling of movement, with charoite forming fibrous …[Read More]
Geosciences Column: Extreme snowfall potentially worsened Nepal’s 2015 earthquake-triggered avalanche
Three years ago, an earthquake-induced avalanche and rockfalls buried an entire Nepalese village in ice, stone, and snow. Researchers now think the region’s heavy snowfall from the preceding winter may have intensified the avalanche’s disastrous effect. The Langtang village, just 70 kilometres from Nepal’s capital Kathmandu, is nestled within a valley under the shadow of …[Read More]
Wildfires in the wake of climate change
Last year saw some of the biggest blazes in history, and may be a sign of things to come. 2017 was a record year for wildfires. California and neighboring western states saw the most destructive fire in US history, with an estimated 18 billion dollars worth of damage over the season. In central Portugal, fires …[Read More]
Imaggeo on Mondays: Probing the Pliocene
The heights we go to for science… This photograph shows a member of our team preparing to abseil down a cliff in the Charyn Canyon, in the Ili River basin of southeast Kazakhstan. The Charyn River and its tributaries, a branch of the Ili River north of the Tien Shan Mountains, have cut canyons up …[Read More]
April GeoRoundUp: the best of the Earth sciences from the 2018 General Assembly
The 2018 General Assembly took place in Vienna last month, drawing more than 15,000 participants from 106 countries. This month’s GeoRoundUp will focus on some of the unique and interesting stories that came out of research presented at the Assembly. Mystery solved The World War II battleship Tirpitz was the largest vessel in the German …[Read More]
GeoPolicy: Scientific research in a changing European Union
Scientific research in a changing European Union The 2018 EGU General Assembly was a huge success. Not only was it the biggest yet (with over 15,000 participants) but it also held a large variety of Short Courses, Townhalls and Union Symposia that gave the scientists attending a chance to step out of their comfort zone …[Read More]
A flood of attention: extreme weather and digital media
In June 2016, Paris was transformed. The River Seine burst its banks, submerging some of the nearby roads; floodwater lapped at the tops of street lamps and traffic lights. The event marked the the worst flooding in Paris for more than 30 years. When a flood event hits a major city, numerous researchers are keen …[Read More]