Analysis of the change in the stratovolcano's tilt just prior to the explosion suggests that the cracking of a previously intact fluid barrier caused the country's deadliest eruption since 1926.
Journal of Geophysical Research: Solid Earth
Posted inResearch Spotlights
Pulses of Rising Magma in Sierra Nevada's Past
A detailed study of layered igneous material at California's Fisher Lake offers a novel approach to identifying the pathways and timescales of individual magma pulses in volcanic arcs.
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An Up Close Look at the Megaquakes That Cause Tsunamis
Researchers recreate changes in the seafloor during Japan's devastating 2011 tsunami.
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Probing the Source Properties of Deep Earthquakes
A global review of earthquake rupture parameters reveals that deep earthquakes have larger fracture energies and may have different rupture mechanisms than shallower seismic events.
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Understanding Tectonic Processes Following Great Earthquakes
Scientists parse out the processes underlying tectonic signals detected by GPS networks.
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When Might the Campi Flegrei Caldera Erupt Again?
The clock may be ticking for Italy's Campi Flegrei caldera, a region with a pattern of numerous and sometimes large explosive eruptions. The next explosion could be less than 100 years away.
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A New Model to Improve Gravity Models
Data from the Gravity Recovery and Climate Experiment (GRACE) mission gets a new and improved look.
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Hong Kong, Macau at Greater Tsunami Risk Than We Thought
Researchers assess tsunami risk in the South China Sea based on models of seismic slip along the Manila megathrust.
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A Better Model for How the Mantle Melts
A new model of the melting behavior of certain mantle rocks gives researchers a better understanding of the source of oceanic lavas.
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The Gravity of Volcanic Eruptions
New research suggests that continually monitoring gravity changes near active volcanoes could provide insights into volcanic activity.