Natural Disasters40
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Detecting Landslides from a Few Seismic Wiggles
Over the last six years, seismologists Göran Ekström and Colin Stark have been perfecting a technique for picking out the seismic signature of large landslides. They just discovered North America’s largest known landslide in many years – 200 million tons of sliding rock in Alaska.
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Testing the Speed of Lava: What It Says about Escape Times & Mars
Elise Rumpf’s lava flow simulations are yielding new details about the velocity of lava over different surfaces. They may also hold clues about the surfaces of other planets.
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Ancient Faults & Water Are Sparking Earthquakes Off Alaska
Ancient faults that formed in the ocean floor millions of years ago are feeding earthquakes today along stretches of the Alaska Peninsula, and likely elsewhere, a new study suggests.
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Rapid-Fire Cyclones over the North Indian Ocean
With Chapala’s destructive landfall in Yemen just a couple of days in the past, a second tropical cyclone, Megh, has just formed in the Arabian Sea. This one is not forecast to become anywhere near as intense as Chapala did—though we know intensity forecasts can be wrong, as they were at early stages for both…
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Historic Hurricane Nears Landfall on Southwest Coast of Mexico
Hurricane Patricia, the strongest hurricane ever observed in either the Atlantic or eastern Pacific, is expected to make landfall on the Southwest coast of Mexico this afternoon and evening as an extremely dangerous Category 5 hurricane.
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Pani, Pani Everywhere
Heading out to our field area, we discovered that the abandoned river valley we planned to study was completely flooded. There was pani—the Bangla word for water—everywhere.
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Bangladesh and India, Too
Returning to Bangladesh for additional fieldwork, I stopped off in India for several meetings, but we found time for some sightseeing, too. We were able to see the Qutub Minar complex in Delhi as well as the Taj Mahal and Agra Fort in Agra. Plus all the meetings in Delhi, Kolkata and Dhaka were very…
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How Superstorm Sandy Inspired an Award-Winning Book
“A lot of the challenge is understanding what we as a species should do, because the disasters are getting more prevalent. In the last hundred years, both in human and financial costs, damages are skyrocketing. Most of that is just more people living in dangerous places, but climate change will be more of a factor…
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Mapping Tool Lets Users Pinpoint Hazards Data
The SEDAC Hazards Mapper is designed for disaster risk managers, humanitarian response organizations, public health professionals, journalists and others needing a quick assessment of the potential dangers posed by a major hazardous event or developing emergency.
By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“
