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25 results for “megathrust”
Data from: Elastogravity waves and dynamic ground motions in the Korean Peninsula generated by the 11 March 2011 Mw9.0 Tohoku-Oki megathrust earthquake
<p>The mass dislocations caused by large coseismic slips in megathrust earthquakes are large enough to produce elastogravity waves. Despite successful identification of elastogravity-wave development during megathrust earthquakes, the nature of ground motions and hazard potentials in regional and teleseismic distances remains unknown. The dynamic ground motions from the 11 March 2011 M<sub>W</sub>9.0 Tohoku-Oki megathrust earthquake are retrieved from broadband seismic records throughout the Korean Peninsula. The dynamic ground motions of the megathrust earthquake are dominated by low-frequency (<0.1 Hz) energy that is a mixture of elastogravity waves and seismic waves. The peak dynamic ground displacements in the Korean Peninsula reached ∼20 cm with horizontal permanent displacements of ∼2 cm or more. Radially-polarized elastogravity waves developed instantly at the event origin time. Very-long-period (<0.004 Hz) energy is a mixture of seismic waves and coseismic permanent displacements, presenting radially polarized retrograde particle motions for ∼600 s. The peak ground displacements and velocities for the Tohoku-Oki earthquake are larger than those for a local M<sub>W</sub>5.4 earthquake. The peak ground motions vary azimuthally following the source radiation pattern. The tangential peak ground displacement increases with distance along continental ray paths due to the development of crustally guided waves. Large and slow dynamic ground motions cause dynamic stress changes of ∼1.8 MPa in the lithosphere of the Korean Peninsula, while the properties of the mantle are scarcely affected by slow dynamic motions. The large long-period displacements induced by megathrust earthquakes may cause considerable long-duration distortion on large buildings at regional and teleseismic distances. The characteristic elastogravity-wave features may be used for detection of mass-dislocation events.</p>
Data from: Elastogravity waves and dynamic ground motions in the Korean Peninsula generated by the 11 March 2011 Mw9.0 Tohoku-Oki megathrust earthquake
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Individual simulation results of "New insight into the frequency-dependent megathrust rupture from dynamic simulations"
<p>The model settings and results of individual simulations in the work "New insight into the frequency-dependent megathrust rupture from dynamic simulations" by Yin and Denolle.</p>
Interseismic megathrust coupling at the Osa Peninsula, Costa Rica
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A fluid-rich megathrust at the West Melanesian Trench revealed with magnetotelluric data
<p>The dataset for A fluid-rich megathrust at the West Melanesian Trench revealed with magnetotelluric data</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.