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Hazards & Disasters

Posted inOpinions

To Understand Future Solar Activity, One Has to Know the Past

by A. A. Pevtsov and F. Clette 29 September 201718 January 2023

Short-term funding strategies present serious problems for programs like solar activity studies, where observations and analysis span decades or longer.

Stromboli, one of the world’s most active volcanoes, ejects large, hot volcanic bombs.
Posted inScience Updates

Drone Peers into Open Volcanic Vents

by N. Turner, B. Houghton, J. Taddeucci, J. von der Lieth, U. Kueppers, D. Gaudin, T. Ricci, K. Kim and P. Scalato 27 September 20172 May 2022

An unmanned aerial vehicle provided the high-resolution data that allowed scientists to construct their first detailed map of erupting vents at Stromboli, one of the world’s most active volcanoes.

Researchers examine how the impact of atmospheric streams of water vapor varies across California
Posted inResearch Spotlights

California Floods Linked to Atmospheric Water Vapor “Rivers”

Sarah Stanley, Science Writer by Sarah Stanley 26 September 201730 January 2024

Narrow atmospheric streams of water vapor that deliver heavy rains are more commonly associated with floods and debris flows in northern California than with flash floods in southern California.

A new mathematical approach helps scientists monitor the shifting features on Earth’s surface
Posted inResearch Spotlights

A New Baseline to Monitor Earth’s Dynamic Surface

Sarah Stanley, Science Writer by Sarah Stanley 26 September 20178 April 2022

Researchers devise a new mathematical approach to combine space- and ground-based observations into an alternative reference frame for monitoring the changing positions of Earth’s features.

Giant African land snail in an adult hand
Posted inNews

Giant Snails’ Century-Old Shells Recorded Monsoon Rainfall

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 September 201718 October 2022

Researchers explored past precipitation in India using shells from very large land snails collected there in 1918 and preserved in a British museum.

Hurricane Maria bears down on Dominica
Posted inNews

Unprecedented Hurricane Season Sees Widespread Damage

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 22 September 201726 October 2022

This hurricane season has broken multiple records already.

Posted inNews

Faults off Alaska Look Akin to Those Behind 2011 Japan Disaster

Katherine Kornei, Science Writer by Katherine Kornei 21 September 201711 January 2022

In a seismically quiet segment of Alaska’s subduction zone lie faults with structures similar to those of the system that caused the deadly Tohoku earthquake and tsunami.

Researchers use 8 years of satellite data to test modeling of coronal mass injections
Posted inResearch Spotlights

NASA Fleet Helps Predict Space Weather

by S. Witman 21 September 201720 December 2021

Using 8 years of data collected via spacecraft, scientists produce hindcasts of plasma eruptions from the Sun. These will help improve forecasts.

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.

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