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pumice

Close-up of the palm leaves of Babad Lombok held together by a string threaded through a hole in each page. Each side of the palm leaves shows inscriptions in Old Javanese.
Posted inNews

Stories Scribed on Palm Leaves Help Scientists Understand Ancient Eruption

by Alka Tripathy-Lang 19 December 202219 December 2022

Deposits from the 1257 Samalas eruption may contain artifacts of an ancient kingdom, according to scientists who link volcanology studies with histories written onto palm leaves.

Satellite view of Santorini, Greece
Posted inNews

Podcast: Escape from Thera

by L. Lester 21 July 20202 March 2023

A colossal volcanic eruption at Santorini, Greece, 3,600 years ago sent the island’s Bronze Age population fleeing for their lives. Where did the people go?

Black-and-white image of the Martian landscape feature Medusae Fossae
Posted inNews

Scientists Float a New Theory on the Medusae Fossae Formation

by Nola Taylor Tillman 19 May 202025 August 2022

Pumice-like rafts of lightweight material could have carried volcanic debris across an ancient Martian ocean to build one of the most puzzling features on the Red Planet.

A satellite image showing a pumice raft floating on the ocean surface near Fiji and Tonga on 21 August 2019
Posted inScience Updates

Satellite Sleuthing Detects Underwater Eruptions

by P. A. Brandl 31 March 202018 January 2022

Satellite data helped scientists locate the volcanic source of a pumice raft floating in the South Pacific Ocean, illustrating their promise in locating and monitoring undersea eruptions.

Photo of an ash-covered, densely populated tropical neighborhood and canal
Posted inNews

Explosive Volcanic Eruption Powered by Water-Saturated Magma

by Katherine Kornei 26 September 201913 January 2023

Little seismic unrest preceded the 2014 eruption of a stratovolcano in Indonesia, which suggests that the eruption was kick-started internally by volatile-triggered overpressure.

Satellite image of a pumice raft floating in the ocean
Posted inNews

Volcanic Eruption Creates Temporary Islands of Pumice

by Katherine Kornei 6 September 201918 January 2022

Rafts of pumice, spewed from an undersea volcano, recently appeared in the South Pacific. These transient, movable islands are important toeholds for marine life like barnacles, coral, and macroalgae.

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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