subduction zones

Researchers have discovered a region of highly compacted sediments that could increase earthquake and tsunami danger off Washington and northern Oregon. (Courtesy University of Texas Institute for Geophysics

Ocean Sediments Off Pacific Coast May Feed Tsunami Danger

Tightly packed sediments help the Cascadia Subduction Zone generate large earthquakes, and could boost its ability to trigger a large tsunami.

by |November 20, 2017
webb-OBS-deployment

Learning from Slow-Slip Earthquakes

Off the coast of New Zealand, there is an area where earthquakes can happen in slow-motion as two tectonic plates grind past one another. These slow-slip events create an ideal lab for studying fault behavior along the shallow portion of subduction zones.

by |December 15, 2016
Subduction zone mechanics

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.

by |November 16, 2015
Langseth CUPA video snip

Come Aboard: A Look at the R/V Marcus Langseth

A new video produced by Columbia University tells the story of what the research vessel Marcus G. Langseth is all about.

by |October 15, 2015