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Detection of Kuril subduction-zoneearthquakes from remote historic recordsin Honshu, Japan, between 1656 and 1867
historical earthquakes seismic intensity seismicity Kuril subduction zone
2015/9/14
Earthquakes before A.D. 1800 along the Southern Kuril trench, although before the start of written history on nearby islands, probably account for some of the earthquakes noted by local records in Hon...
Status of historical seismology in Japan
historical seismology historicaldocuments earthquake catalogue database
2015/9/14
Japan's combination of high seismicity and a long history has produced copious written records of historical earthquakes. Systematic collection and investigation of such historical documents began lat...
Formation processes of the 1909 Tarumai and the 1944 Usu lava domesin Hokkaido,Japan
lava domes Tarumai volcano Usu volcano squeeze of magma growth rate of domes Hagen-Poiseuille's Law
2015/9/11
The formation of the two particular lava domes in Hokkaido, Japan is described and interpreted mainly from geophysical viewpoints. The 1909 eruption of Tarumai volcano was not violent but produced a l...
Anomalous geoelectrical and geomagnetic signals observed at Southern Boso Peninsula,Japan
ULF electromagnetic environment geoelectrical potential differences direction of signal arrival understanding the preparation process of crustal activity
2015/9/2
Geoelectrical and geomagnetic fluctuations are considered the end product of several geophysical phenomena. In particular these signals measured in seismically active areas can be attributed to stress...
Chemical and isotopic composition of fumarolic gases at Iwate volcano, Japan, during and after seismic activity in 1998: implications for the modification of ascending volcanic gases
Volcanoes volcanic earthquakes expectations and volcanic gases seismic activity the concentration of hydrochloric acid
2015/8/27
In 1998, there were many volcanic earthquakes recorded at Iwate volcano, Japan. Although an eruption was anticipated, it never occurred. Fumarolic gases were sampled at the volcano on six occasions du...
Using Internet reports for early estimates of the final death toll of earthquake-generated tsunami: the March 11, 2011, Tohoku, Japan, earthquake
Casualties Earthquake-generated tsunami 2011 Tohoku earthquake
2015/8/27
A retrospective case study was conducted for the March 11, 2011, earthquake that occurred off the east Pacific coast of Tohoku, Japan, with reference to the Sumatra-Andaman earthquake and Indian Ocean...
Possible precursor to the March 11, 2011, Japan earthquake: ionospheric perturbations as seen by subionospheric very low frequency/low frequency propagation
Earthquake predictio Ionospheric perturbatio VLF/LF propagation
2015/8/24
This study reports on a possible very low frequency/low frequency (VLF/LF) subionospheric precursor to a recent earthquake in Japan. As the epicenter of this large Japanese earthquake on March 11, 201...
Anomaly disturbances of the magnetic fields before the strong earthquake in Japan on March 11, 2011
Magnetic field ULF magnetic field 2011 Japan earthquake
2015/8/24
One of the strongest earthquakes, with magnitude M 8.9, occurred at the sea bottom near to the east coast of Japan on March 11, 2011. This study is devoted to the investigation of anomaly disturbances...
Ionospheric perturbations associated with two huge earthquakes in Japan, using principal component analysis for multiple subionospheric VLF/LF propagation paths
Ionospheric perturbations Earthquakes Subionospheric VLF/LF propagation
2015/8/24
The presence of ionospheric perturbations in possible association with two huge earthquakes (Noto-hanto peninsula and Niigata-chuetu-oki earthquakes) in 2007 was studied on the basis of a conventional...
AIRBORNE HYPERSPECTRAL AND THERMAL INFORMATION FOR ASSESSING THE HEAT ISLAND IN URBAN AREAS OF JAPAN
Hyperspectral Thermal High resolution Urban Aerial
2015/7/29
The heat island phenomenon, caused by urbanization, is one of the growing problems in Japan. In this study, we have described the
radiometric temperature of the ground surface observed by the airbor...
A History of Physical Oceanographic Research in the Japan/East Sea
East Sea Japan Physical Oceanographic Research
2015/7/24
Oceanographic research in the Japan/East Sea (JES) has a history similar to other marginal seas that are surrounded by countries that play a central role in world economics and politics (Figure 1). Ho...
Currents, Eddies, and a "Fish Story" in the Southwestern Japan/East Sea
East Sea Fish Story
2015/7/24
As part of the Japan/East Sea (JES) initiative supported by the U.S. Office of Naval Research, we conducted an observational experiment to understand the physics of the mesoscale circulation in the Ul...
Intermediate Water Formation at the Japan/East Sea Subpolar Front
East Sea Subpolar Front Intermediate Water Formation
2015/7/24
Upper-ocean fronts play an important role in determining upper pycnocline water properties by providing an efficient conduit for communicating atmospheric forcing into the stratified interior. Mesosca...
Winter Atmospheric Conditions over the Japan/East Sea: The Structure and Impact of Severe Cold-Air Outbreaks
c Conditions over East Sea
2015/7/24
The Japan/East Sea is a marginal sea strategically placed between the world's largest land mass and the world's largest ocean. The Eurasian land mass extending to high latitudes generates several uniq...
Biological Structure and Seasonality in the Japan/East Sea
East Sea Biological Structure and Seasonality
2015/7/24
The Japan/East Sea (JES) contains several oceanic regions separated by dynamic boundaries. These distinct regions, and the physical features that establish and maintain the boundaries between the regi...