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[20-2-1-04] Outcrop observation and physical properties of sliding tephra layers occurred in the Horonai area of the Hokkaido Eastern Iburi Earthquake

*SHUNJI OBATA¹, Satoshi Goto², Kento Okada², Yube Hiyoshi², Yuki Okawara², Shoma Ishihara¹, Satoshi Ishimaru³, Hiromichi Koyasu³, Naoki Watanabe⁴ (1. University of Yamanashi, 2. Graduate School, University of Yamanashi, 3. Hokkaido Research Organization, 4. Research Institute for Natural Hazards and Disaster Recovery, Niigata University)

Keywords:Hokkaido Eastern Iburi Earthquake, Sliding tephra layers, outcrop