Lamont-Doherty Cooperative Seismographic Network Archives - State of the Planet

Rock Fall Shakes New Jersey Palisades

A 500-foot rock face came crashing down from the Palisades cliffs along the Hudson River in Alpine, N.J. on Saturday night, shaking the ground for more than half a minute and dumping a fresh layer of boulders over a 100-yard strip of parkland below State Line Lookout. The shaking was strong enough to be registered by a seismic station a mile and a half away, at Columbia University’s Lamont-Doherty Earth Observatory, but no one was injured.

by |May 16, 2012

Ocean Acidification: Geologic Record Adds New Warning

A new study in Science finds that the oceans may be acidifying faster today from industrial emissions than they did during four major extinctions in the last 300 million years when carbon levels spiked naturally.

by |March 1, 2012
The latest station in the Lamont-Doherty Cooperative Seismographic Network, at the Kent School in Connecticut, in its new home. Photo: D. Funkhouser

Seismometer Puts Earthquakes Online at Kent School

A well-traveled seismometer sits tucked inside a concrete chamber behind the Kent School chapel in Northwest Connecticut, recording earthquakes. It got here by chance.

by |December 2, 2011