Pictorial 1: Various Geological Features within the Izu-Oshima Geopark

Pandemic Influenza Virus Surveillance, Izu-Oshima Island, Japan

A population-based influenza surveillance study (using PCR virus subtyping) on Izu-Oshima Island, Japan, found that the cumulative incidence of influenza A(H1N1)pdm09 virus infections 2 seasons after the pandemic was highest for those 10-14 years of age (43.1%). No postpandemic A(H1N1)pdm09 case-patients had been infected with A(H1N1)pdm09 virus during the pandemic season.

Pi-SAR-L2 Observation of the Landslide Caused by Typhoon Wipha on Izu Oshima Island

Pi-SAR-L2 full polarimetic data observed in four different observational directions over a landslide area on Izu Oshima Island, induced by Typhoon Wipha on 16 October 2013, were analyzed to clarify the most appropriate L-band full polarimetric parameters and observational direction to detect a landslide area. Japanese airborne Pi-SAR-L2 and PiSAR-L data were used in this analysis. Several L-ban...

Application of Interferometric Point Target Analysis to Izu-oshima Volcano, Japan

The Interferometric Point Target Analysis (IPTA) technique was applied to Izu-Oshima volcano, Japan, using both JERS SAR data from 1992 to 1998 and a 50-meter mesh digital elevation model (DEM) measured in 1981. The caldera region showed significant extension in the radar line-of-sight (LOS) at a maximum rate of 4 cm/yr around the 1986 eruption vent. Also, the DEM turns out be corrected by 10-3...

Mysidella hoshinoi, a new species from Izu-Oshima Island, Japan (Crustacea, Mysidae, Mysidellinae)

A new mysid, Mysidella hoshinoisp. n. is described from Izu-Oshima Island, Sagami Sea, central Japan. This species differs from its congeners in having a posterodorsal finger-like papilla on the eyestalk, five peculiar spines terminating in plumed seta on outer margin of carpopropodus of endopod of first thoracopod, and uropodal endopod bearing 27 spines on inner margin.

Dynamic Rupture Analysis' Inversion for the Source Process of the 1990 Izu-Oshima, Japan, Earthquake (M - 6.5)