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tsunamis & storm surges

Photo showing flooded city roads in Thailand. Seven vehicles are driving through the flood waters.
Posted inNews

Paleostorm Chasers Test a New Detection Tool

by Erin Martin-Jones 20 September 202320 September 2023

A method typically used to date sediments shows promise for documenting tropical storms through history—information needed for future projections of storm activity.

Steep cliffs of Santorini, Greece
Posted inNews

Decoding an Ancient Tsunami from the Ground Up

by Mackenzie White 7 September 20237 September 2023

The seafloor around Santorini is helping scientists investigate forces behind the devastating Minoan tsunami.

Bretwood “Hig” Higman stands on a landslide hummock on the shore of Taan Fjord. In 2015, the landslide visible in the background triggered a 193-meter (633-foot) tsunami in the area.
Posted inFeatures

Hig Higman: Trekking Across the Last Frontier on the Hunt for Geohazards

by J. Besl 25 July 202325 July 2023

Higman specializes in human-powered research expeditions in Alaska’s epic landscape.

Aerial image of the 1952 landslide showing the debris path that leads into the ocean
Posted inNews

A 1952 Landslide Hints at Early Permafrost Thaw in the Arctic

by Andrew Chapman 22 March 20234 April 2023

Scientists took a deeper look at a 70-year-old slide and found that climate change likely set the stage for the disaster.

Satellite image of Earth showing the atmospheric plume blanketing the Pacific after the underwater eruption of Hunga Tonga–Hunga Ha‘apai
Posted inNews

Social Media Posts Reveal Human Responses to Deadly Tongan Eruption

by Erin Martin-Jones 14 December 202214 December 2022

Quantifying human responses to natural disasters could improve preparation for future threats, scientists say.

A map of the world centered on the Pacific Ocean, with continents in gray and oceans in white. Lines of bright colors cross the oceans and wind around continents, depicting the locations of transoceanic subsea cables.
Posted inNews

Making Underwater Cables SMART with Sensors

by Alka Tripathy-Lang 12 December 202212 December 2022

Future cables that stretch across the ocean, transmitting cat videos and financial transactions, could also contain temperature, pressure, and seismic sensors that would allow scientists to spy on the seafloor.

Four CubeSats close together in orbit above Earth.
Posted inOpinions

Looking to the Sky for Better Tsunami Warnings

by Shin-Chan Han, Simon McClusky, T. Dylan Mikesell, Paul Tregoning and Jeanne Sauber 4 November 202230 November 2022

Pairing navigation satellites and CubeSats could provide earlier, more accurate warnings of approaching tsunamis and other impacts of extreme events.

Maps of study region and graphs from the paper.
Posted inEditors' Highlights

Under Pressure: Recording Earthquakes at and Below the Seafloor

by Sergei Lebedev 27 October 202230 November 2022

Cabled ocean-floor observatories record ground shaking and pressure variations, which contribute to early warning systems and give us a unique view of the ocean–crust coupling.

Posted inEditors' Highlights

A Really Big (Global) Splash at Chicxulub

by Tom Parsons 12 October 202213 October 2022

What caused a tsunami 30,000 times more powerful than the December 26, 2004 Indian Ocean tsunami? A new modeling study says this was one of the results from the Cretaceous Chicxulub asteroid impact.

View of a bay with buildings and vehicles in the foreground
Posted inFeatures

Seismic Sources in the Aleutian Cradle of Tsunamis

by Rob Witter, Rich Briggs, Tina Dura, Simon Engelhart and Alan Nelson 26 September 202226 September 2022

Research over the past decade in Alaska’s Aleutian Islands has offered surprising insights into the pulses of great earthquakes that generate dangerous, often long-distance tsunamis.

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Features from AGU Journals

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Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
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“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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