Unusual ground motion associated with the deepest major earthquake in the seismological record is due to both its great depth and its origin away from the subducting slab.
subduction
Posted inResearch Spotlights
Scientists Simulate New Mechanism of Fluid Flow in Earth’s Crust
Three-dimensional high-performance computer modeling reveals the behavior of fluid transport waves generated by chemical reactions that take place during metamorphism.
Posted inResearch Spotlights
Revising an Innovative Way to Study Cascadia Megaquakes
Researchers probe natural environments near subduction zones to decrypt underlying mechanisms of major earthquakes.
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Unraveling the History of the India-Asia Collision
A study of deformed and metamorphosed rocks exposed in Tibet’s Lopu Range suggests that episodes of crustal shortening and extension during the evolution of the Himalaya are related to subduction processes.
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Why Do Great Earthquakes Follow Each Other at Subduction Zones?
A decade of continuous GPS measurements in South America indicates that enhanced strain accumulation following a great earthquake can initiate failure along adjacent fault segments.
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Fingerprinting the Source of Fore-Arc Fluids
A new model tracks boron and other tracers in fluids expelled from subducting slabs to help identify the fluids' source regions and migration routes.
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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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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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Seismological Models Are Biased, but Scientists Have a Solution
Many seismic wave models are based on an erroneous assumption about the Earth's interior. A new technique corrects this by eliminating false signals produced by models.