New research on the energy waves caused by earthquakes provides the most detailed map to date of the subduction zone beneath Japan.
Journal of Geophysical Research: Solid Earth
Posted inResearch Spotlights
Tracking Down Elusive Origins of Kazakhstan's 1889 Chilik Quake
New fieldwork and satellite data suggest that three faults may have caused a large earthquake near Almaty, Kazakhstan, more than a century ago.
Posted inResearch Spotlights
Novel Technique Finds New Features Under United States
A new high-fidelity tomography harnesses USArray data to expose a wealth of noteworthy crustal and upper mantle structures, including previously unknown anomalies beneath the Appalachians.
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Traces of Ancient Buried Subduction Zone Found in China
A combination of observations and modeling reveals evidence of a late Paleozoic intraoceanic subduction zone in the western Junggar region of northwest China.
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Despite Dryness, Quartz Grains Can Deform in Earth's Crust
A comparison of water content in undeformed and deformed quartz indicates that grains may change shape via weakening processes that cannot be duplicated in laboratory experiments.
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Flash Heating May Lubricate Rubbing Rock Faces in Earthquakes
A new laboratory study examines the small-scale physics at play as two pieces of granite are smashed together in a scaled-down version of a real earthquake.
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A Hole in Earth’s Surface
Research shows that a broken lithosphere underneath the island of Hawai'i could explain the island's patterns of seismic activity.
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Icelandic Eruption Caused Record-Breaking Sulfur Dioxide Release
Satellite and ground-based data reveal sulfur dioxide flux, trace element release, and preeruption magma movement.
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Can We Predict How Volcanic Ash Disperses After an Eruption?
Researchers investigate what factors influence how particles from a plume spread following a volcanic eruption.
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Can Meteorite Impacts Disturb a Planet's Magnetic Field?
Such disturbances probably do not occur on our own planet, but evidence for them might still exist elsewhere in the solar system.