Results 51 to 60 of about 8,239 (227)

2022 Tonga Volcanic Eruption Induced Global Propagation of Ionospheric Disturbances via Lamb Waves

Frontiers in Astronomy and Space Sciences, 2022
The Tonga volcano eruption at 04:14:45 UT on 2022-01-15 released enormous amounts of energy into the atmosphere, triggering very significant geophysical variations not only in the immediate proximity of the epicenter but also globally across the whole ...
Shun-Rong Zhang, Juha Vierinen, Ercha Aa, Larisa P. Goncharenko, Philip J. Erickson, William Rideout, Anthea J. Coster, Andres Spicher   +7 more
doaj   +1 more source

Free gas accumulations in basal shear zones of mass-transport deposits (Pearl River Mouth Basin, South China Sea): An important geohazard on continental slope basins [PDF]

, 2017
Free gas is an important trigger of instability on continental slopes, and resulting mass-wasting strata can potentially form competent seals to hydrocarbon accumulations.
Alves, Tiago, He, Jiaxiong, Li, Wei, Ni, Xianglong, Qiliang, Sun, Xie, Xinong   +5 more
core   +2 more sources

How Does Heterogeneity Control Strain Localization Patterns in High‐Porosity Rocks?

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 5, May 2026.
Abstract We aim to explore how heterogeneous porosity and grain size contribute to strain localization patterns in highly porous rocks based on phase‐field simulations. The strain localization patterns, including shear bands, dilatation bands, and compaction bands, are commonly observed in geological field studies and laboratory experiments.
Yunteng Wang, Chi Zhang, Philipp Braun, Xuan Kang, Wei Wu   +4 more
wiley   +1 more source

Geohazard features of the north-western Sicily and Pantelleria

Journal of Maps
We present maps of geohazard features identified across north-western Sicily and Pantelleria in the framework of the Magic project (MArine Geohazard along Italian Coasts), which involved Italian marine geological researchers in 2007-2013.
Attilio Sulli, Marilena Calarco, Mauro Agate, Ludovico Albano, Alessandro Bosman, Giuseppe Di Grigoli, Francesco Gargano, Valeria Lo Presti, Eleonora Martorelli, Valentina Pennino, Andrea Sposato, Elisabetta Zizzo, Giusy Anzelmo, Alessandro Bonfardeci, Daniele Casalbore, Gaspare Ciaccio, Aida Maria Conte, Michela Ingrassia, Sara Innangi, Francesco Interbartolo, Erika Lai, Claudio Lo Iacono, Maurizio Gasparo Morticelli, Carlo Luzzu, Paolo Emanuele Orrù, Fabrizio Pepe, Martina Pierdomenico, Claudia Romagnoli, Daniele Spatola, Francesco Latino Chiocci   +29 more
doaj   +1 more source

Building community resilience in mine impacted communities : a study on delivery of health services in Papua New Guinea : a thesis presented in fulfilment of the requirements for the degree of Doctor of Philosophy in Development Studies at Massey University, Palmerston North, New Zealand [PDF]

, 2016
The purpose of this study was to explore the building of Community Resilience in mine-impacted communities in Papua New Guinea (PNG). The study aimed to establish the general relationship between community resilience, community capitals and the delivery ...
Kuir-Ayius, Dora Dau
core  

How Volume Increases the Mobility of Geophysical Granular Flow: A Unified Rheological Perspective

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Geophysical granular flows, involving rapidly flowing granular materials, can exhibit volume‐enhanced mobility. Lacking a mechanistic understanding of such size effects limits the applications of lab‐scale findings to natural events. Using discrete element method simulations, we find that increasing granular system size suppresses energy ...
Ming Peng, Jiacheng Xia, Lu Jing, Gordon G. D. Zhou, Limin Zhang, Jianfeng Chen   +5 more
wiley   +1 more source

Integrating Geoscience, Ethics, and Community Resilience: Lessons from the Etna 2018 Earthquake

Geosciences
Mount Etna has a well-documented history of frequent eruptions and seismic activity, periodically causing significant damage to urban areas. On 26 December 2018, a Mw 4.9 shallow earthquake struck the volcano’s eastern flank, severely damaging ...
Marco Neri, Emilia Neri
doaj   +1 more source

Physical and Chemical Controls on Suffosion Development in Gypsic Soil, Culberson County, Texas [PDF]

, 2018
In the Gypsum Plain, suffosion processes have encouraged road failure through dissolution and transport of gypsic soils; however, no prior research has been conducted within the Delaware Basin in regard to these processes.
Morris, Jonah
core   +1 more source

Application of passive seismic to the detection of buried hollows [PDF]

, 2015
Pilot studies involving the use of passive seismic techniques in a range of geological settings and applications, e.g., mapping bedrock, studies of soil erosion and Quaternary mapping have shown that it is a versatile, non-invasive and economic ...
Banks, VJ, Chambers, JE, Collins, PEF, Jones, PF, Morgan, DJR, Raines, M, Riding, JB, Royse, KR   +7 more
core   +1 more source

SWOT Satellite Observations of the Kakhovka Dam Break Flood Highlight Limitations of Outburst Flood Models

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract The 6 June 2023 failure of the Kakhovka Dam generated a catastrophic outburst flood, leading to loss of life and infrastructure damage. During the flood, daily measurements of water surface elevation were collected by the SWOT satellite, providing the first direct, high‐resolution 2D measurements of a large outburst flood.
K. E. Lehnigk, T. M. Pavelsky, K. A. Lang   +2 more
wiley   +1 more source