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earthquakes

Black freighter at sea with gray, cloudy skies in the background
Posted inNews

Seaports Could Lose $67 Billion Yearly from Natural Disasters

by Kimberly M. S. Cartier 2 February 20232 February 2023

Small islands and low-income nations face the largest relative monetary losses to their ports and maritime trade.

A vineyard growing on a mountain slope with several other mountains visible in the background
Posted inResearch Spotlights

Scientists Decipher the Seismic Dance of the Southern Alps

by Morgan Rehnberg 20 January 202320 January 2023

Most of the Alps are considered tectonically dead, but according to new research, the southeastern region—home to prosecco wine—is very much alive.

背景是群山和蓝天,前景是绿色的牧场。一条路从前景延伸到群山。
Posted inResearch Spotlights

新的构造板块模型可改进地震风险评估

by Morgan Rehnberg 18 January 202319 January 2023

新西兰构造板块的一个新模型可以识别地震可能性增加的区域。

Mountains and blue sky in the background, with green pastures in the foreground. A road extends from the foreground toward the mountains.
Posted inResearch Spotlights

New Tectonic Plate Model Could Improve Earthquake Risk Assessment

by Morgan Rehnberg 21 December 202218 January 2023

A new model of tectonic plates in New Zealand may identify areas of increased earthquake likelihood.

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.

Two maps showing the location and main tectonic features of the 1987 Edgecumbe earthquake.
Posted inEditors' Highlights

Coseismic Displacement of 1987 Earthquake from Aerial Images

by Daniel Melnick 8 December 20226 December 2022

Differencing digital surface topography models constructed from historical aerial photographs reveal the coseismic surface displacement field of the 1987 earthquake in northern New Zealand.

A GPS sensor sits atop the edge of a rocky cliff overlooking a steep slope down to water in the distance.
Posted inResearch Spotlights

Enhancing Earthquake Detection from Orbit

by Sarah Stanley 2 December 20222 December 2022

A new application of machine learning boosts scientists’ ability to use data from satellite navigation systems to detect and warn of earthquakes.

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.

2011年Tōhoku地震后日本Wakuya的鸟瞰图,显示出俯冲地震的破坏力。对太平洋俯冲带的持续重力监测有助于识别出大地震可能发生的地方。图片来源: U.S. Navy/Mass Communication Specialist 3rd Class Alexander Tidd, CC BY-NC 2.0
Posted inResearch Spotlights

东日本大地震前几个月的重力变化

by Sarah Derouin 25 October 202225 October 2022

研究人员利用GRACE卫星数据发现了发生在地球深部的地震事件之前的重力异常信号。

Edificios inca marrones con una calle en medio. Al fondo se distinguen los Andes y un cielo azul con pocas nubes.
Posted inNews

Grabado en piedra: edificios incas guardan el registro de terremotos antiguos

by Erin Martin-Jones 13 October 202213 October 2022

Daños a los edificios incas en Cusco revelan una historia de terremotos olvidada que podría ayudar a científicos a entender riesgos sísmicos modernos.

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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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