Heat flow estimated from the gas hydrate layers on the landward slope of the Nankai Trough reveals that heat flow increases downslope toward the trench floor. This data plus six new heat flow values obtained by a conventional probe and two values available from DSDP drill holes give a fairly ...
Subsurface occurrence of natural gas hydrate in the Nankai Trough area: Implication for gas hydrate concentration. Resource Geology 2004;54 (1):35-44.Uchida, T., Lu, H.L., and Tomaru, H., the MITI Nankai Trough shipboard scientists2004, Subsurface occurrence of natural gas hydrate in the ...
Gas Hydrate Petroleum System Modeling in western Nankai Trough AreaMakoto TanakaT. AungT. FujiiN. WadaY. Komatsu
Existence of the two notable lowb-value patches as well as the highb-value area between them is unique in the Nankai Trough subduction zone, suggesting that the plate interface is segmented in such a way that two megathrust earthquakes might occur separately, thereby breaking each patch. This s...
The Nankai Trough region has a history of devastating earthquakes. The Hyuga-nada region is situated in the westernmost Nankai Trough and has not experienced an earthquake exceeding magnitude 8. It is expected that there is a difference in a coupling between the subducting Philippine Sea Plate and...
Nankai TroughOmaezakipaleoearthquakeupliftA flight of Holocene marine terraces on the southwestern coast of Cape Omaezaki of central Japan provides evidence of recurrent millennium-scale uplift events. We reconstructed the uplift history of these terraces by using facies analysis of drill core and geo...
MULTI-WELL DRILLING CAMPAIGN METI “TOKAI-OKI TO KUMANO-NADA” IN 2004 FOR METHANE HYDRATE EVALUATION IN THE NANKAI TROUGH AREA, OFF CENTRAL JAPAN Yoshihiro Tsuji1, Yoshijiro Nonaka2, and METI “Tokai-oki to Kumano-nada” drilling project members* 1 Japan Oil, Gas and Metals National ...
It has been reported that precursory slow slip transients at the downdip or updip portion of the firmly locked area may have promoted large earthquakes in subduction zones5–9. Although there have been no large earthquakes along the Nankai Trough after the shallow slow slip transient detected in...
2005). (E) Bathymetric map of the Nankai Trough area with indicated sample locations at IODP drill sites. Samples and IODP drill sites are related as follows: K005: Site C0001; K004, K014, K015: Site C0004; K013: Site C0006; K011, K016: Site C0007; K020: Site C0011; K022: ...
Large-scale landsliding is a common process in the Kumano Forearc Basin of the Nankai Trough accretionary prism. We use a 3D seismic data volume to map the seafloor reflection, which shows that there are two surficial landslides, one rotational slump ～3.4 km wide, 1.8 km long and 150 m ...