[G-05] Understanding of geology and interaction between the earth, nature and culture through the Geoparks(Poster)

[G05-P02] Volcanological and geomorphological issues and geopark activities in Tokachidake Geopark

*Yugo Nakamura¹ (1.Tokachidake Geopark Promotion Committee)

Keywords:Tokachidake Geopark, active volcano, research topics, disaster prevention

Tokachidake Geopark, covering Biei and Kamifurano towns, was newly designated as a Japanese geopark on January 28 this year. Mt. Tokachidake is an active volcano located in the southeastern part of the area, and the geology, topography, natural environment, culture, industry, and tourism are deeply related to the activity of Tokachidake Volcano. In this presentation, the author will provide an overview of the volcanic history over the last 3 million years, as well as volcanological and geological issues related to future geopark activities.
The geological history of the Tokachidake Geopark can be divided into the following four stages: (1) the formation of the basement rocks and the beginning of volcanic activity (until the Miocene), (2) a series of large-scale pyroclastic flow eruptions and the formation of "wavy hills" (3 to 1 Ma), (3) growth of the Tokachidake Mountain Range (after 1 Ma), and (4) the recent activities of Tokachidake Volcano (after 10,000 years ago).
The geological history shown here is closely related to the geopark activities and the theme of this geopark. The development of research on the volcanic history is directly related to regional disaster prevention, and a collaborative research system involving the local community, research institutions, and government is needed.