Keywords:Education for disaster-prevention, Geopark, Kii-peninsula, Nanki Kumano
"The children's Summer School on Earthquakes and Volcanos" is the event of on the job training for elementary, junior high school and high school students. The Seismological Society of Japan (SSJ), the Volcanological Society of Japan (VSJ) and the Geological Society of Japan (GSJ) have been managing this event since 1999 in the summer season. The 17th children's Summer School on Earthquakes and Volcanos was held in Nanki Kumano Geopark, Wakayama on October 20th and 21st. 38 children were divided into eight groups and looked for "the secrets of sea and mountain in Nanki-Kumano". In this program, children learned about scenery and landform, discussed earthquakes, magma activities and landslide-tsunami disaster. Additionally, children summarized "Secrets of sea and mountain in Nanki Kumano" and made a presentation. We will report the secrets of sea and mountain in Nanki Kumano which were discovered by children, and achievements of the children's summer school on earthquakes and volcanoes in the presentation.