Results 11 to 20 of about 901 (179)

Submarine landslide megablocks show half of Anak Krakatau island failed on December 22nd, 2018 [PDF]

Nature Communications, 2021
The authors here present a detailed reconstruction of the landslide mass following the 2018 eruption of Anak Krakatau. Bathymetry data reports the volume of the collapsed submarine flank to be much larger than previously reported.
J. E. Hunt, D. R. Tappin, S. F. L. Watt, S. Susilohadi, A. Novellino, S. K. Ebmeier, M. Cassidy, S. L. Engwell, S. T. Grilli, M. Hanif, W. S. Priyanto, M. A. Clare, M. Abdurrachman, U. Udrekh   +13 more
doaj   +9 more sources

Giant seismites and megablock uplift in the East African Rift: evidence for Late Pleistocene large magnitude earthquakes. [PDF]

PLoS ONE, 2015
In lieu of comprehensive instrumental seismic monitoring, short historical records, and limited fault trench investigations for many seismically active areas, the sedimentary record provides important archives of seismicity in the form of preserved ...
Hannah Louise Hilbert-Wolf, Eric M Roberts   +1 more
doaj   +2 more sources

Gravitational sliding of the carbonate megablocks in the Vipava Valley, SW Slovenia

Acta Geographica Slovenica, 2019
The area of Lokavec in the Vipava Valley, SW Slovenia, consists of Mesozoic carbonates thrust over Paleogene siliciclastic flysch. Overthrusting and tectonic damage of carbonates accelerated their mechanical disintegration.
Maja Kocjančič, Tomislav Popit, Timotej Verbovšek   +2 more
doaj   +3 more sources

Seismic reflection and topography insights into Ries crater diameter and megablock zone

Meteoritics & Planetary Science
Abstract Most of the extensive crater‐wide geophysical studies at the Ries impact structure were made decades ago when the origin of the structure was still being debated. Although it is one of the most studied impact structures, its internal structure was not imaged in high resolution until recently.
Kaidi Karro, Argo Jõeleht, Naoma McCall, Sean P. S. Gulick, Jakob Wilk, Gisela Pösges   +5 more
openaire   +2 more sources

The impact of the reconstruction of megablocks (1990-2020) on the quality of common open public spaces: Blocks 21 and 28 in New Belgrade [PDF]

Arhitektura i Urbanizam, 2022
The quality of common open public spaces is conditioned, among other things, by the layout and characteristics of the facilities located in their immediate vicinity, but also by the functions and contents, equipment and materialization of the ground ...
Bulatović Slobodan
doaj   +1 more source

Determining structural elements of the Ukrainian Shield basement (from the experience of compiling maps of geological content)

Мінеральні ресурси України, 2023
The article briefly reviews the survey maps of geological content published and prepared for publication over the last decades, which depict the Ukrainian Shield, including the “Overview Map of the basement of the Ukrainian Shield” scale 1:1,000,000 ...
V. P. Kyrylyuk, O. M. Shevchenko
doaj   +1 more source

Radiogeochronology of Suture Zone of Dniester-Bug and Ros'-Tikych Megablocks. Article 1. Geochronology of Rock Complexes of Ros'-Tikych Megablock [PDF]

Mineralogical Journal, 2016
На Західно-Приазовському блоці вперше виявлені тоналітовоi гнейси пiзньопалеоархейського (3297±22 Ma) віку. Вони характеризуються позитивним значенням εNd(3300) = 0,3÷1,8, що вказує на їх ювенільне джерело. З урахуванням нових геохронологічних даних у західній частині Приазовського мегаблока виділяються три етапи утворення тоналітiв найдавнішої кори – (
O. Ziultsle, L. Stepanyuk, V. Ziultsle, T. Dovbush, S. Kurylo   +4 more
openaire   +3 more sources

A possible 5 km wide impact structure with associated 22 km wide exterior collapse terrain in the Alhabia–Tabernas Basin, southeastern Spain

Meteoritics &Planetary Science, Volume 58, Issue 10, Page 1512-1539, October 2023., 2023
Abstract The Tabernas–Alhabia Basin is a structural depression situated in the province of Almería, southeastern Spain. The basin is filled with Neogene, Pliocene, and Pleistocene sediments resting discordantly on a Paleozoic metamorphic basement. During the marine Tortonian sedimentation, a bed of breccia (Gordo megabed) was formed.
Sebastián Tomás Sánchez Gómez, Jens Ormö, Carl Alwmark, Sanna Holm‐Alwmark, Gabriel Zachén, Robert Lilljequist, Juan Antonio Sánchez Garrido   +6 more
wiley   +1 more source

Twinned calcite as an indicator of high differential stresses and low shock pressure conditions during impact cratering

Meteoritics &Planetary Science, Volume 58, Issue 9, Page 1287-1305, September 2023., 2023
Abstract Shock‐related calcite twins are characterized in calcite‐bearing metagranite cataclasites within crystalline megablocks of the Ries impact structure, Germany, as well as in cores from the FBN1973 research drilling. The calcite likely originates from pre‐impact veins within the Variscan metagranites and gneisses, while the cataclasis is due to ...
Lina Seybold, Claudia A. Trepmann, Stefan Hölzl, Kilian Pollok, Falko Langenhorst, Fabian Dellefant, Melanie Kaliwoda   +6 more
wiley   +1 more source

Bridging Legends and Science: Field Evidence of a Large Tsunami that Affected the Kingdom of Tonga in the 15th Century

Frontiers in Earth Science, 2021
The pre-colonial history (i.e. before the 16th century) of Tonga and West Polynesia still suffers from major gaps despite significant scientific advances in recent years, particularly in the field of archaeology.
Franck Lavigne, Franck Lavigne, Franck Lavigne, Julie Morin, Patrick Wassmer, Olivier Weller, Taaniela Kula, Ana V. Maea, Karim Kelfoun, Fatima Mokadem, Raphael Paris, Mukhamad Ngainul Malawani, Mukhamad Ngainul Malawani, Mukhamad Ngainul Malawani, Audrey Faral, Audrey Faral, Mhammed Benbakkar, Ségolène Saulnier-Copard, Céline M. Vidal, Tu’I’ahai Tu’I’afitu, Fuka Kitekei’aho, Martine Trautmann, Christopher Gomez   +22 more
doaj   +1 more source