Results 61 to 70 of about 308,855 (191)

Faulting and Extension Rate over the last 20,000 Years in the Offshore Whakatane Graben, New Zealand Continental Shelf.

open access: yes, 2006
Oblique rifting in the offshore Taupo Volcanic Zone, New Zealand, is expressed in widely distributed active normal faulting in the 20 km-wide Whakatane Graben.
Lamarche, G.   +5 more
core   +1 more source

Geodetic proof of vertical recent movements at the seism generating zone of Acambay, Mexico

open access: yesMinería y Geología, 2016
The central territorial belt oriented west-east and located along the parallel 19 in the Mexican Republic, is composed of a complex system of faults, that respond to the consequent morphology of a tension arched system, which has been erected to the ...
Luis Miguel Espinosa-Rodríguez   +2 more
doaj  

Geological structure and origin of the Kaochaison hot spring in Phattalung, Southern Thailand [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2012
Geophysical measurements were conducted in the Kaochaison hot spring area in southern Thailand. The purpose ofthis work is to determine subsurface geological structures related to the hot spring.
Sukrit Jonjana2   +2 more
doaj  

Análisis morfoestructural de las cuencas hidrográficas de los ríos Sabana y Papagayo (tercio medio-inferior), estado de Guerrero, México

open access: yesInvestigaciones Geográficas, 2012
En este trabajo se presentan las principales regularidades del plano morfoestructural de los tercios medio e inferior de las cuencas hidrográficas de los ríos Papagayo y Sabana, en el estado de Guerrero, el cual se formó durante la etapa neotectónica (N -
José Ramón Hernández Santana   +1 more
doaj   +1 more source

A Spreading‐Rate Dependence for Periodic Signals Embedded in Otherwise Aperiodic Abyssal Hills

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract I present evidence, through an empirical pre‐whitening analysis, that periodic signals are embedded in otherwise aperiodic abyssal hills across paleo‐spreading rates ranging from 1 to 9 cm/yr (half rate). Data are comprised of archival trackline and multibeam bathymetry profiles in north and south Atlantic Oceans, Pacific‐Antarctic Ridge ...
J. A. Goff
wiley   +1 more source

New Geological and Geophysical Data for the Geometric and Stratigraphic Characterization of the Alhandra Sub-basin (Southeast of Paraíba) [PDF]

open access: yesGeologia USP. Série Científica, 2009
Some recent geological and geophysical reconnaissance studies carried out in the Alhandra Sub-basin (southern segmentof the Paraíba Basin) have revealed very interesting structural and stratigraphic behaviors that have not yet been described.Four ...
Benjamim Bley de Brito Neves   +3 more
doaj  

The 2025 Mw 7.6 Aomori‐Oki Megathrust Sequence and a Slip‐Parallel Seismic Belt to the Trench

open access: yesGeophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract The 2025 Mw 7.6 Aomori‐Oki earthquake nucleated near the 1968 Mw 8.3 Tokachi‐Oki rupture area. Our waveform inversion reveals large slip (>1 m) extending ∼40 km northward from the hypocenter, overlapping the inferred 1968 northern asperity. Minor secondary slip (0.2–0.6 m) was resolved ∼60 km updip, and high‐precision relocations show that ...
Keisuke Yoshida   +2 more
wiley   +1 more source

Source-sink system and exploration directions during rift period: A case study of Pingbei area in Xihu Sag, East China Sea Shelf Basin [PDF]

open access: yesYouqicang pingjia yu kaifa
To address the unclear sedimentary microfacies types and sandbody distribution characteristics in the Baoshi Formation-lower member of Pinghu Formation (hereinafter referred to as lower Pinghu member) in the Pingbei area of the Baochu slope belt, Xihu ...
ZHANG SHANGHU   +5 more
doaj   +2 more sources

Perbandingan karakteristik lingkungan pengendapan, batuan sumber, dan diagenesis Formasi Lakat di lereng timur laut dengan Formasi Talangakar di tenggara Pegunungan Tigapuluh, Jambi

open access: yesIndonesian Journal on Geoscience, 2014
http://dx.doi.org/10.17014/ijog.vol1no4.20061The Central Sumatera Basin and the Jambi Subbasin is separated by the Tigapuluh High. During Late Oligocene – Middle Miocene, the Lakat Formation was deposited in fl uvial, fl ood plain associated with swamp ...
Rachmat Heryanto
doaj   +1 more source

Low Hazard–High Risk: A Case Study of the Active Mangatangi Fault

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Activity on low deformation rate faults are challenging to quantify and comparatively understudied. One such fault, the Mangatangi Fault, strikes NE‐SW along the southeastern flanks of the Hunua Ranges c. 52 km south of New Zealand's most populous city, Auckland.
Hannah E. Martin   +3 more
wiley   +1 more source

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