Columbia University

Undersea clues to Haiti's earthquake history

(PhysOrg.com) -- For all of its violent destruction, the earthquake that struck Haiti on Jan. 12, 2010, hardly scratched the surface of the island. But scientists now say they have found some of the best clues to understanding ...

dateJul 22, 2011 in Earth Sciences
shares0 comments 0

Ocean currents speed melting of Antarctic ice

Stronger ocean currents beneath West Antarctica's Pine Island Glacier Ice Shelf are eroding the ice from below, speeding the melting of the glacier as a whole, according to a new study in Nature Geoscience. A grow ...

dateJun 26, 2011 in Earth Sciences
shares0 comments 24

New Google ocean maps dive down deep

(PhysOrg.com) -- Starting today, armchair explorers will be able to view parts of the deep ocean floors in far greater detail than ever before, thanks to a new synthesis of seafloor topography released through ...

dateJun 09, 2011 in Earth Sciences
shares0 comments 1

Tree rings open door on 1100 years of El Nino

(PhysOrg.com) -- El Nino and La Nina, the periodic shifts in Pacific Ocean temperatures, affect weather around the globe, and many scientists have speculated that a warming planet will make those fluctuations ...

dateMay 27, 2011 in Earth Sciences
shares0 comments 11

Can big earthquakes disrupt world weather?

(PhysOrg.com) -- The eruption of the Laki volcano in Iceland in 1783-84 set off a cascade of catastrophe, spewing sulfuric clouds into Europe and eventually around the world. Poisonous mists and a resulting ...

dateApr 29, 2011 in Earth Sciences
shares0 comments 4