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Hazards & Disasters

Posted inScience Updates

Fire in the Hole: Recreating Volcanic Eruptions with Cannon Blasts

by B. Zimanowski and M. T. Gudmundsson 7 April 20152 May 2022

Artificial volcanic plumes, fired from cannons loaded with ash plucked from the slopes of Iceland, may help researchers better monitor disruptive eruptions.

Posted inResearch Spotlights

California's 2012–2014 Drought Unusual for Last Millennium

by P. Kollipara 3 April 201521 October 2021

Soil moisture estimates, inferred from thousands of tree rings spanning the past 12 centuries, highlight the severity of the recent record-breaking drought.

Posted inScience Updates

Exploring Natural Hazard Policies with Bike Helmets and Bus Fares

by S. Stein, J. Kley, D. Hindle and A. Friedrich 31 March 20157 January 2022

A close look at everyday decisions—whether or not to wear a bike helmet or cheat on bus fare—helps students learn about assessing natural hazards, mitigating risks, and setting political priorities.

Posted inResearch Spotlights

Found: The Submarine Source of an 1891 Eruption Near Sicily

by J. Orwig 3 March 20152 August 2022

Analysis of a volcano may help explain why some eruptions produce volcanic balloons–hollow chunks of lava that encase a gas-filled cavity.

Posted inResearch Spotlights

Seismic Stress Modeling Puts Istanbul in the Crosshairs

by C. Schultz 3 March 201518 April 2022

Twenty years of ground motion observations show that seismic strain is accumulating south of Istanbul.

Posted inNews

Internet Users Act as Earthquake Trackers

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 2 March 201530 August 2022

Armed with Internet connections, smartphones, and Twitter handles, citizens around the world are helping seismologists track earthquakes.

Posted inScience Updates

Keeping Watch Over Colombia's Slumbering Volcanoes

by M. Ordoñez, C. López, J. Alpala, L. Narváez, D. Arcos and M. Battaglia 27 February 20151 November 2021

Technology used in your car's navigation system can help save the lives of those living in the shadows of volcanoes.

Posted inResearch Spotlights

Radio Blackout! Ham Radio as an Operational and Scientific Instrument

by Mark Zastrow 16 February 201527 January 2022

Monitoring solar activity that disrupts communications can be helped by crowdsourced and automated reports from amateur radio operators.

Posted inResearch Spotlights

Tracking Down a Subduction Zone Earthquake

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 13 February 201524 August 2023

Researchers use computer simulations to find the date and earthquake source of an ancient tsunami that deposited sediment in a Hawaii sinkhole.

Posted inScience Updates

Earthquake Monitoring Gets Boost from New Satellite

by J. R. Elliott, A. J. Elliott, A. Hooper, Y. Larsen, P. Marinkovic and T. J. Wright 12 February 20151 November 2021

Europe's Sentinel-1A spacecraft and its extraordinary images of slip from the South Napa earthquake herald a new era of space-based surveillance of faults.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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