OREGON STATE UNIVERSITY

Oshima

Latitude (dd): 
34.72
Longitude (dd): 
139.40
Elevation (m): 
764
Country: 
Japan
State (Province, etc): 
Izu Islands
Type: 
Stratovolcano

 

 

IZU VOLCANIC ISLANDS

 

 
    Photos and captions courtesy of Dr. Kayoko Suga, Metropolitan Tokyo Government, Japan.

 


 

OSHIMA

 

 

 

Left Photo: Oshima viewed from west. 
Right Photo: Mihara-yama. The active cinder cone in the caldera. Mihara-yama was formed by the 1777-1778 eruption of Oshima. The black solidifed lava on the slope is the 1986 lava flow.

 

 

 

Both photos: The 1986 lava and thick scoria from the fissure in the caldera, northeastern part of the caldera floor.