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Hazards & Disasters

Researchers analyze how ambient seismic waves are affected by volcanic activity
Posted inResearch Spotlights

Quiet Volcanic Activity Changes Speed of Ambient Seismic Waves

Sarah Stanley, Science Writer by Sarah Stanley 19 September 201711 May 2022

Seismic data collected continuously for 4 years could improve understanding of geological structures that underlie Japan’s Izu Oshima volcanic island.

Copper engraving of Lisbon, Portugal, during 1755 earthquake.
Posted inNews

Caribbean Sediment Traced to 1755 Portuguese Quake and Tsunami

Katherine Kornei, Science Writer by Katherine Kornei 19 September 201731 October 2024

Archaeologists digging in Martinique chanced upon the first tsunami deposit from the earthquake found in the New World. The tsunami left a strong trace, it seems, because the wave went up a river.

A new modeling study finds that dispersants used at the Deepwater Horizon site may have
Posted inNews

Deepwater Horizon Dispersant Cleared the Air, New Model Shows

by R. Kaufman 14 September 201718 May 2022

A simulation of oil and gas leakage during the Deepwater Horizon disaster finds that the main chemical dispersant used improved air quality for emergency responders.

Researchers look at environmental conditions in the Cascadia subduction zone to better understand earthquake hazards
Posted inResearch Spotlights

Revising an Innovative Way to Study Cascadia Megaquakes

by S. Witman 12 September 201710 March 2022

Researchers probe natural environments near subduction zones to decrypt underlying mechanisms of major earthquakes.

Posted inNews

Largest Flare of Past 9 Years Erupts from Sun

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 8 September 201727 March 2023

A massive flare and blast of charged particles toward Earth may disrupt satellites and communications and push auroras toward lower latitudes through tomorrow, according to space weather experts.

Hurricane Irma in Atlantic Ocean
Posted inNews

Hurricane Irma Tears Across Caribbean, Heads to South Florida

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 7 September 20171 March 2023

Florida residents prepare for potentially catastrophic winds and flooding.

A person wades through a Houston street flooded by rains from Hurricane Harvey on 28 August.
Posted inOpinions

A Diary of a Storm

Mohi Kumar headshot by M. Kumar 7 September 20173 November 2022

When Hurricane Harvey struck Texas more than a week ago, an Eos staff editor based in Houston hunkered down. Here’s her day-by-day account of the storm and its aftermath.

Researchers trace the history of the U.S. government’s involvement in space weather research
Posted inResearch Spotlights

Federal Space Weather Research Could Improve Hazard Preparation

Sarah Stanley, Science Writer by Sarah Stanley 6 September 2017

Researchers outline the history of the U.S. government’s involvement in space weather research, from before World War II, through the Space Race, and beyond.

Artist's rendering of asteroid.
Posted inNews

Big Space Rock to Pass near Earth on Friday

Katherine Kornei, Science Writer by Katherine Kornei 31 August 201710 October 2021

An asteroid named for Florence Nightingale will make its closest approach to our planet since 1890 but will remain a safe distance away.

Researchers use a simplified model to reassess assumptions about floods
Posted inResearch Spotlights

Deciphering Deluges

by S. Witman 31 August 20173 June 2022

New modeling approach reexamines two key assumptions about flooding.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

InSight into Seismology on the Red Planet

21 October 202621 October 2026
Editors' Highlights

Now Critical: Optimizing Complementary Ocean Carbon Observing Networks

29 October 202629 October 2026
Editors' Vox

Opening Access to Earth Observation Data for Disaster Mitigation

21 October 202620 October 2026
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