Study Suggests Shifts in Deep Geologic Structure May Have Magnified Great 2011 Japan Tsunami
A new study led by researchers at Columbia’s Lamont-Doherty Earth Observatory looks at why the 2011 Tohoku tsunami off Japan was unexpectedly huge.
In Ancient Rocks, Scientists See a Climate Cycle Working Across Deep Time
Columbia scientists drilling deep into ancient rocks in the Arizona desert say they have documented a gradual shift in Earth’s orbit that repeats regularly every 405,000 years, playing a role in natural climate swings.
Siyuan Chen PhD’18: Earth-Shaking Insights
Mechanical engineer Siyuan Chen PhD’18 is on a quest for “the holy grail of geology”—the ability to reliably predict earthquakes and empower communities around the world to prepare for the onset of seismic activity.
Expedition Explores Undersea Rift off Greece
The Corinth rift is one of the most seismically active areas in Europe. Starting this month, researchers — led by Columbia University seismologist and co-chief scientist Donna Shillington — will drill into the rift to discover its past and future.