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tsunamis & storm surges

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.

A wave washes ashore on a beach in Bali, Indonesia.
Posted inAGU News

Making Waves

by Caryl-Sue Micalizio 26 September 202227 September 2022

Sources of tsunamis are undersea, underground, and under the microscope in our October issue.

Diagrams and graphs showing the growth of submarine slides.
Posted inEditors' Highlights

Growth That Economists Would Envy

by Michel Louge 20 July 202221 July 2022

A new study reveals how small cracks turn into gigantic submarine slides.

Esquema algoritmo de aprendizaje para estimar las magnitudes de terremotos sobre la base de señales de elastogravidad rápida.
Posted inNews

Monitoreando terremotos a la velocidad de la luz

by Mohammed El-Said 30 June 202230 June 2022

Nueva investigación utiliza la gravedad y un modelo de aprendizaje automático para estimar instantáneamente la magnitud y ubicación de grandes terremotos.

View over open ocean water with clouds tinted pink by a sunrise and a distant, lone mountain on the horizon
Posted inScience Updates

“Landslide Graveyard” Holds Clues to Long-Term Tsunami Trends

by Suzanne Bull, Sally J. Watson, Jess Hillman, Hannah E. Power and Lorna J. Strachan 3 June 20221 August 2022

A new project looks to unearth information about and learn from ancient underwater landslides buried deep beneath the seafloor to support New Zealand’s resilience to natural hazards.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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