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Polynesia

Aerial view of the island of Emae, Vanuatu, surrounded by ocean
Posted inNews

Stone Chemistry Records Pacific Migration

by Caroline Hasler 6 July 20236 July 2023

Scientists used the chemistry of stone artifacts to trace human migration in the Pacific, revealing evidence of long voyages and cultural exchange.

Un rayo aparece en medio de nubes de cenizas y vapor que están saliendo de volcán a la atmósfera sobre el océano.
Posted inResearch Spotlights

Monitoreando el agua en la columna eruptiva masiva del volcán de Tonga

Sarah Stanley, Science Writer by Sarah Stanley 15 November 202230 November 2022

La reciente erupción del volcán Hunga Tonga-Hunga Ha’apai arrojó aerosoles de sulfatos y una cantidad nunca antes vista de vapor de agua a la estratosfera.

A lightning bolt appears amid clouds of ash and steam that are billowing from a volcano high into the atmosphere over the ocean.
Posted inResearch Spotlights

Tracking Water in the Tongan Volcano’s Massive Eruption Plume

Sarah Stanley, Science Writer by Sarah Stanley 24 October 202230 November 2022

The recent eruption of the Hunga Tonga–Hunga Ha‘apai volcano blasted sulfate aerosols and a record-breaking amount of water vapor into the stratosphere.

Under a clear blue sky, a field strewn with brown volcanic rocks contains a pile of black basalt that rises like a giant anthill, with several people on the right edge for scale.
Posted inNews

Geochemical Data from Polynesian Artifacts Pack Pofatu Database

by Alka Tripathy-Lang 7 March 20221 November 2022

A new resource may help match artifacts with their original stone sources—“a really a niche part of archaeology that requires geological expertise.”

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.

Large outrigger canoe silhouetted against an orange Hawaiian sky
Posted inNews

Humans Colonized Polynesia Much Earlier Than Previously Thought

Richard Sima, freelance science writer by Richard J. Sima 13 May 20205 June 2023

Evidence from mud, charcoal, and feces suggests humans arrived in East Polynesia during the driest period in 2 millennia.

Traditional Polynesian navigators steer by stars close to the horizon for a more precise reckoning.
Posted inNews

Stars and Swells Guide a Polynesian Canoe Around the World

by E. Deatrick 22 June 201619 July 2022

Modern oceanographers and ancient navigators rely on similar waves to study the world's oceans.

A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

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Simplicity May Be the Key to Understanding Soil Moisture

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Creep Cavitation May Lead to Earthquake Nucleation

22 May 202521 May 2025
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Decoding Crop Evapotranspiration

6 May 20256 May 2025
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