Researchers in the western United States survey the earthquakes that have torn up California for the past millennium.
Journal of Geophysical Research: Solid Earth
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What Causes Rock Avalanches?
Experimental studies of frictional weakening beneath a deadly rock avalanche in China help to clarify the mechanisms that cause these devastating natural disasters.
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An Improved Model of How Magma Moves Through the Crust
Researchers have developed a new numerical model that can, for the first time, solve for both the speed and the path of a propagating dike.
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What Caused the Fatal 2014 Eruption of Japan's Mount Ontake?
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.
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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.