Results 101 to 110 of about 31,153 (271)
The Role of Slab Remnants in Modulating Free Subduction Dynamics: A 3‐D Spherical Numerical Study
Geochemistry, Geophysics, GeosystemsSeismic tomography of Earth's mantle images abundant slab remnants, often located in close proximity to active subduction systems. The impact of such remnants on the dynamics of subduction remains underexplored. Here, we use simulations of multi‐material
Fangqin Chen +4 more
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Risk‐Targeted Seismic Design Maps for Mexico
Earthquake Engineering &Structural Dynamics, Volume 55, Issue 2, Page 336-349, February 2026.ABSTRACT Risk‐targeted seismic design maps for Mexico are presented. Risk‐targeted approach establishes an acceptable risk level, measured with the annual collapse probability, to determine seismic design coefficients. Seismic design maps are calculated for an annual probability of collapse of 1 × 10−4 and 2 × 10−4.
Raúl Sandoval, Mario Ordaz
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Geochemistry, Geophysics, GeosystemsThe Pleistocene (∼0.6 Ma) Cupaello monogenetic volcano, cropping out in central Italy, belongs to the Intra Apennine Province (IAP). It is represented by a single lava flow with kamafugitic composition, associated with a volumetrically limited ...
Michele Lustrino +4 more
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Lithospheric Delamination Below the North American Midcontinent Ceased Subsidence in Cratonic Basins
AGU Advances, Volume 7, Issue 1, February 2026.Abstract Cratonic lithospheres carry a long history of tectonic modifications that result in heterogeneous structures, as revealed by an increasing number of geophysical observations. The existence of cratonic basins indicates protracted periods of tectonic modification, causing subsidence within global continental interiors.
Xiaotao Yang +3 more
wiley +1 more source
Facies analysis provides new insights into event bed deposition in a hadal trench environment
Sedimentology, Volume 73, Issue 2, Page 441-477, February 2026.ABSTRACT Hadal trenches preserve exceptional sedimentary archives of past geological events, yet their depositional processes remain poorly constrained. The Japan Trench captures complex earthquake‐triggered event beds that record repeated sediment‐gravity flows that deliver terrigenous and biogenic material into the trench, informing palaeoseismic ...
Mishelle Muthre +6 more
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Geophysical Research Letters, Volume 53, Issue 2, 28 January 2026.Abstract On March 9th $9\mathrm{th}$, 2023, three small earthquakes (3.8≤Mw≤4.5) $(3.8\le {M}_{w}\le 4.5)$ occurred near Umbertide (Central Italy), within 4 hours. Analyzing seismic ambient noise in the frequency band 0.1–1 Hz from six seismometers within 20 km of the Mw 4.5, we detect a significant drop in seismic velocity at the time of occurrence of
Eugenio Mandler +7 more
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Seismotectonic and stress distribution in the central Chile subduction zone
, 2002 M. Pardo, D. Comte, Tony Monfret
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Geophysical Research Letters, Volume 53, Issue 2, 28 January 2026.Abstract Recent studies have challenged the classical view of magma chambers as ephemeral, melt‐rich bodies confined to shallow depths beneath arc volcanoes at subduction zones. Instead, increasing evidence supports the existence of long‐lived, vertically extensive magmatic systems with persistent partial melts within the crust. Nevertheless, the depth
Qili Andy Dai +4 more
wiley +1 more source
Geochemistry and Thermal analyses in subduction zone serpentine (SE Turkey)
, 2023 Ayşe KILIÇ
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