Miyake-jima volcano information 2000

by I.Miyagi at the GSJ
This page and links are currently translating into English.

Geological map of Miyake-jima volcano

In "Reports of geological survey and researches on characteristics of
volcanic eruptions in Izu islands". by Tokyo Metropolitan Government.
(1990)
[Original geological data from Issiki (1960,1977, 1984) and Isshiki
(1964, unpublished).]




legend:
 Lava flow                  15-20 th century
 Scoria cone, fall          15-20 th century
 Pyroclastic deposit        15-20 th century
 Lava flow                  2000-800 years ago
 Scoria cone, fall          2000-800 years ago
 Lava flow, pyroclastic deposit  (undifferentiated)
 Lava flow,                 about 3000 years ago
                                                Caldera-forming stage
 Main stratovolcano         pre-caldera stage
 Caldera rim and crater rim
 Source fissure