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Hawaii

A mass of steaming, orange-glowing lava consumes a street sign as it flows over a roadway.
Posted inResearch Spotlights

A Better Operational Lava Flow Model

by Morgan Rehnberg 26 October 202226 October 2022

By segmenting the vertical structure of a lava flow, the Lava2d model provides more realism to operational lava forecasts.

A panoramic image of a tall waterfall in a verdant and lush tropical valley. The waterfall is along the left side of the valley, and trees with bright green, dark green, and yellow leaves fill the valley floor and cover the valley walls. A grayish sky with mist is above the valley.
Posted inNews

Maui Endures More Drought and Drier Streams

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 29 July 202229 July 2022

Drought continues to threaten Maui’s native land-based and marine ecosystems, water resources, and traditional ways of life. But conservationists have hope—and ways to fight back.

Lava in the Halemaʻumaʻu crater in the Kīlauea volcano.
Posted inNews

Volcanic Lava Lake Belts Out Its Secrets in Seismic “Songs”

by Andrew J. Wight 15 July 20229 March 2023

A cacophony of magma displacements and volcanic gases recorded underneath Kīlauea’s roiling lake of lava could one day provide information to help predict future eruptions.

The voyaging canoe Hōkūleʻa sails with Cape Town, South Africa, in the background.
Posted inNews

Navigating the Pacific with Wind, Waves, and Stars

by Alka Tripathy-Lang 24 February 20221 November 2022

Ancient Polynesian voyagers sailed thousands of kilometers with no maps or compasses; they followed nature’s clues. Using the same tools, the Moananuiākea Voyage will set sail from Alaska and circle the Pacific.

A line of giant stone moai from Rapa Nui (Easter Island).
Posted inNews

Settlement of Rapa Nui May Have Been Doomed by a Dearth of Dust

Rachel Fritts, Science Writer by Rachel Fritts 16 December 202127 March 2023

Rapa Nui and Hawai‘i offer a tale of two island settlements: Hawai‘i was close enough to Asia for continental dust to help replenish soil nutrients depleted by agriculture. Rapa Nui wasn’t.

Left image shows the rocky coast of Kīlauea, and right image shows a punctured steel boat roof.
Posted inNews

Hundreds of Volcanic Explosions Detected Underwater at Kīlauea

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 14 December 202120 December 2021

Hundreds of volcanic explosions detected underwater at Kīlauea
The explosions, identified during the 2018 eruption phase, offer a clear acoustic signal that researchers could use to measure ocean properties.

A view of Kīlauea’s summit lava lake
Posted inResearch Spotlights

Volcanic Tremor and Deformation at Kīlauea

Kate Wheeling, freelance science writer by Kate Wheeling 2 August 20216 March 2023

Two new studies investigate activity at Hawaii’s Kīlauea leading up to and following the 2018 eruption to better understand the volcano’s plumbing and behavior.

3D illustration showing the passive seismic signal recorded at two stations
Posted inEditors' Highlights

Revealing Complexity of Groundwater Flow with Hydrogeophysics

by A. Binley 29 April 202127 January 2023

A combination of passive seismic and electrical measurements are used to unravel the complex hydrogeology structure and associated groundwater flow paths at a coastal site in O’ahu, Hawai`i.

HI-SEAS Mars analogue mission
Posted inNews

Podcast: What’s It Like Pretending to Live on Mars?

Rachel Fritts, Science Writer by Rachel Fritts 20 April 202126 January 2022

We spoke with science writer Kate Greene about her experiences on a 4-month-long Mars analog mission.

View from the water of lava tubes along the coast of Hawaiʻi near Hualalai volcano
Posted inScience Updates

Deep Submarine Fresh Water: A New Resource for Volcanic Islands?

by E. Attias, S. Constable, B. Taylor and D. Thomas 23 March 202129 September 2021

The discovery of large freshwater reservoirs off Hawaii suggests that other volcanic islands may have similar resources, which could help meet water demands amid population growth and climate change.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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