Results 21 to 30 of about 220 (151)

Identifying the Greatest Earthquakes of the Past 2000 Years at the Nehalem River Estuary, Northern Oregon Coast, USA

open access: yesOpen Quaternary, 2020
We infer a history of three great megathrust earthquakes during the past 2000 years at the Nehalem River estuary based on the lateral extent of sharp (≤3 mm) peat-mud stratigraphic contacts in cores and outcrops, coseismic subsidence as interpreted from ...
Alan R. Nelson   +9 more
doaj   +1 more source

Event Stratigraphy in a Hadal Oceanic Trench: The Japan Trench as Sedimentary Archive Recording Recurrent Giant Subduction Zone Earthquakes and Their Role in Organic Carbon Export to the Deep Sea

open access: yesFrontiers in Earth Science, 2019
Hadal trenches are the deepest places on Earth and are important foci for natural carbon sequestration. Much of the sedimentary sequences that accumulate within hadal trenches have been linked to widespread slope sediment remobilization events, triggered
Arata Kioka   +8 more
doaj   +1 more source

Probabilistic approach to earthquake prediction.

open access: yesAnnals of Geophysics, 2002
The evaluation of any earthquake forecast hypothesis requires the application of rigorous statistical methods. It implies a univocal definition of the model characterising the concerned anomaly or precursor, so as it can be objectively recognised in any ...
G. D'Addezio, D. Pantosti, R. Console
doaj   +1 more source

Late-Quaternary paleoearthquakes along the Liulengshan Fault on the northern Shanxi Rift system

open access: yesFrontiers in Earth Science, 2023
The Liulengshan Fault (LLSF), which lies on the northeastern edge of the Ordos Plateau, is a controlling boundary fault in the northern part of the Shanxi Rift system (SRS).
Wen Sun   +12 more
doaj   +1 more source

Late Quaternary Tectonic Activity of the Udine-Buttrio Thrust, Friulian Plain, NE Italy

open access: yesGeosciences, 2020
The NW-SE trending Udine-Buttrio Thrust is a partly blind fault that affects the Friulian plain southeast of Udine in NE Italy. It is part of a wider fault system that accommodates the northward motion of the Adriatic plate.
Andrea Viscolani   +4 more
doaj   +1 more source

Geolipidomics: Non‐Targeted Analysis of Rapidly Heated Geologic Samples With Gas‐Chromatography‐Mass Spectrometry

open access: yesJournal of Geophysical Research: Machine Learning and Computation, Volume 3, Issue 1, February 2026.
Abstract Lipids are powerful tools for reconstructing paleoenvironments and geologic processes because of their ubiquity and preservation in the rock record. Traditionally, organic geochemistry studies are targeted analyses of known biomarker compounds with known responses to past environmental conditions or geologic processes.
M. C. Baker   +2 more
wiley   +1 more source

Reevaluating historical tsunami hazards from the Makran subduction zone and local seismic sources along the Western Indian margin through numerical modelling

open access: yesGeoscience Letters
The western coast of India is highly vulnerable to tsunami hazards due to its geographical proximity to the Makran Subduction Zone (MSZ), one of the most seismically active margins of the northern Indian Ocean.
Nayan Sharma   +4 more
doaj   +1 more source

Difference in Slip Patterns Between Two Prehistoric Giant Earthquakes Along the Southern Kuril Trench

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract This study reveals different slip patterns of tsunami sources between two prehistoric giant earthquakes along the southern Kuril Trench, based on an integration of geological data and numerical simulations. The most recent giant earthquake occurred in the 17th century and its predecessor was in the 13th–14th century.
Kei Ioki   +7 more
wiley   +1 more source

Late Holocene paleoseismology of Shuyak Island, Alaska [PDF]

open access: yesQuaternary Science Reviews, 2018
We report stratigraphic evidence of land-level changes along the eastern portion of the Alaska-Aleutian megathrust. Four marshes on Shuyak Island record variable amounts of coseismic deformation during four pre-20th century earthquakes. We combine these data with paleoseismic evidence from across the Kodiak, Kenai and Prince William Sound segments of ...
Shennan, I   +5 more
openaire   +4 more sources

Landscape Signature of Seismogenic Faults in the Off and Onshore Domains of the Noto Peninsula in Japan's Back‐Arc

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract The eastern margin of the Sea of Japan is a zone of great seismic and tsunami hazard due to multiple offshore and nearshore reverse faults as shown by the 2024 Mw ${M}_{\mathrm{w}}$ 7.5 Noto Peninsula Earthquake. Here we compare coseismic deformation of the 2024 Noto Peninsula Earthquake with 4,767 individual marine terraces attributed to 16 ...
Luca C. Malatesta   +10 more
wiley   +1 more source

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