Category Archives: geohazards

#365climateimpacts: A crazy February heatwave and a tornado warning on March 1 (February 16-March 3)

Here are two more weeks of daily climate change impacts stories, as part of my #365climateimpacts project. I didn’t have to go very far from home to find inspiration for this fornight of tweets. We had an incredibly unusual heat … Continue reading

Categories: by Anne, climate science, geohazards, hydrology, ice and glaciers

Oroville Dam: Water and Weather, Engineering and Erosion at the Nation’s Tallest Dam

California is having a very wet winter, with multiple atmospheric rivers dumping feet of precipitation in the mountains. Oroville Dam on the Feather River, is the nation’s tallest dam, is facing serious engineering challenges. This Storify has some of the best links to a rapidly evolving situation. Continue reading

Categories: by Anne, geohazards, hydrology

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

Flash flooding in Maryland: freak event? climate change symptom? urban runoff problem? Or all of the above?

On Saturday night, as many people were enjoying an evening out in Maryland, and I was enjoying an evening in in Ohio, a tweet from Johns Hopkins professor and Baltimore resident, Dr. Sarah Horst caught my eye: I didn't know it … Continue reading

Categories: by Anne, climate science, geohazards, hydrology

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