Results 31 to 40 of about 906 (177)

Hydrothermal activity revealed by rock magnetic anomaly from core sediments in the southern Okinawa Trough

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2019
The southern Okinawa Trough has been widely considered an important area with hydrothermal activity. Several active hydrothermal fields have been reported, especially around the Yonaguni Knoll IV.
Yin-Sheng Huang   +11 more
doaj   +1 more source

Geophysical evidence for submarine methane seepage on the Western slope of Okinawa Trough

open access: yesFrontiers in Earth Science, 2022
Identifying seafloor methane seepage efficiently has important implications for assessing environmental impact, reducing the uncertainty of top seal integrity, understanding the petroleum system, and mitigating the drilling hazards due to shallow gas ...
Di Luo   +13 more
doaj   +1 more source

Introduction to the special issue on tectonic environment and seabed resources of the southern Okinawa Trough

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2019
Okinawa Trough (OT) is a back-arc basin behind the Ryukyu arc-trench system and located along the eastern margin of the Eurasian continent. It extends from the southwest Kyushu Island to the Ilan Plain of Taiwan (Fig. 1).
Song-Chuen Chen   +3 more
doaj   +1 more source

Bathya brevicarpus gen. et sp. nov. (Amphipoda: Senticaudata: Calliopiidae), from hydrothermal vents, Okinawa Trough, North-west Pacific

open access: yesEuropean Journal of Taxonomy, 2020
One individual referable to Calliopiidae G.O. Sars, 1893 was collected from a chemically reduced habitat, the hydrothermal vent systems in Okinawa Trough, and was identified as a new genus and species belonging to this family after a morphological ...
Yan-Rong Wang   +3 more
doaj   +1 more source

Geomagnetic anomalies in the middle Okinawa Trough.

open access: yesJournal of Geography (Chigaku Zasshi), 1985
Geomagnetic survey by means of the proton magnetometer and the three component magnetometer was carried out by the RN 83 Cruise of the Nagasaki Maru to reveal Pleistocene igneous activities along the axial median valley (central rift) of the middle Okinawa Trough in 1983.Preliminary results are as follows:(1) Magnetic anomaly lineations were clearly ...
Masaaki KIMURA   +3 more
openaire   +2 more sources

Analysis of Engineering and Geological Conditions of International Submarine Optical Fiber Cable Routing in the East China Sea Section

open access: yesGeofluids, 2022
The East China Sea section of the Chinese international submarine optical fiber cable generally starts from the Shanghai coast, crosses the East China Sea shelf and continental slope to the east, and intersects with the international optical fiber cable ...
Ti-qiang Zhang   +4 more
doaj   +1 more source

Active normal faults and submarine landslides in the Keelung Shelf off NE Taiwan

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2018
The westernmost Okinawa Trough back-arc basin is located to the north of the Ryukyu islands and is situated above the northward dipping Ryukyu subducted slab.
Ching-Hui Tsai   +7 more
doaj   +1 more source

Four new deep-sea provannid snails (Gastropoda: Abyssochrysoidea) discovered from hydrocarbon seep and hydrothermal vents in Japan [PDF]

open access: yesRoyal Society Open Science, 2019
Recently, the species richness of provannid gastropods inhabiting chemosynthetic ecosystems in the northwestern Pacific has been reassessed, revealing a much higher diversity than previously realized.
Chong Chen   +2 more
doaj   +1 more source

A Persistent Mid-Depth Dissolved Manganese Maximum in the Southern Okinawa Trough

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 1998
The vertical distributions of managanese at a station in the southern Okinawa Trough were investigated bi-monthly by analyzing the dissolved manganese in filtered seawaters.
Tung-Ming Hsiung   +2 more
doaj   +1 more source

Source area of the 1858 earthquake swarm in the central Ryukyu Islands revealed by the observations of Father Louis Furet

open access: yesEarth, Planets and Space, 2017
We estimated the location and magnitude of earthquakes constituting the 1858 earthquake swarm in the central Ryukyu Islands using the felt earthquakes recorded by Father Louis Furet who lived in Naha, Okinawa Island, in the middle of the nineteenth ...
Takuma Oda, Mamoru Nakamura
doaj   +1 more source

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