Subduction Zone Science

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Filter Total Items: 14
Date published: March 9, 2021

Unlocking plate motions of the Cascadia subduction zone with seafloor geodesy

Seeking understanding of the fundamental constraints on plate motions, rates of convergence, and shallow strain accumulation across one of the United States’ most hazardous fault zones.

Date published: February 22, 2021

PCMSC scientists invited to present at the National Seismic Hazard Map Workshop

USGS Pacific Coastal and Marine Science Center research geologist Jenna Hill to present recent offshore work on the Cascadia Subduction Zone.

December 8, 2020

The Monitor newsletter - Inaugural Issue - Vol. 1 | Issue Winter 2021

We introduce the USGS Natural Hazards newsletter. In this issue: A new geonarrative about the 2019 Ridgecrest earthquake, Potential landslide in Alaska, Subduction Zone Science, Post-wildfire debris flow assessments, new @USGS_Quakes Twitter account, Mapping faults in Puerto Rico, Coastal Change Top Story, Photo Round Up and more!

Date published: October 22, 2020

Building SZ4D: A Town Hall Discussion and Workshop for a Research Initiative on Subduction Processes and Geohazards

SZ4D is a new initiative in the U.S. research community to study subduction zones through both space and time, with a focus on the fundamental processes underlying geologic hazards such as great earthquakes, tsunamis, landslides, and volcanic eruptions.

Date published: October 13, 2020

ShakeOut 2020: Staying Safe When the Ground Starts to Rumble

When the ground shakes, what do you do? ShakeOut 2020:  Drop, Cover, and Hold On!

Date published: September 14, 2020

National Preparedness Month 2020: Earthquakes and Tsunamis

Natural hazards have the potential to impact a majority of Americans every year.  USGS science provides part of the foundation for emergency preparedness whenever and wherever disaster strikes.

Date published: August 25, 2020

A Massive Earthquake Is Coming to Cascadia—And It Can’t Be Stopped

This AtlasObscura article features USGS scientist Brian Atwater and University of Washington colleague, David Yamaguchi and their research on the Cascadia subduction zone.

View A Massive Earthquake Is Coming to Cascadia—And It Can’t Be Stopped.

Attribution: Natural Hazards
Date published: June 22, 2020

Scientists Map Tectonic Structure Below the Seafloor of Puerto Rico

The USGS is working to identify and map faults in southern Puerto Rico, to estimate the location and magnitude of potential earthquakes.

Date published: May 26, 2020

USGS Scientists Find Seafloor Faults Near Puerto Rico Quakes’ Epicenters

Most residents of southern Puerto Rico were startled by the sequence of earthquakes that began Dec. 28, 2019 and included a magnitude 6.4 quake on Jan. 7, 2020. Aftershocks are expected to continue for years, including some relatively strong ones, like a May 2 magnitude 5.4 temblor

Date published: January 28, 2020

Large M7.7 Caribbean Quake Felt as Far Away as Florida

On January 28, 2020, a magnitude 7.7 earthquake struck in the Caribbean Sea, roughly equidistant from the coasts of Jamaica, Cuba and the Cayman Islands. Seismic instruments immediately detected the earthquake that originated at a depth of about 6.2 miles (10 km).