Relationships between debris supply from slopes to the valley floor and earthquakes in the Kamikochi Valley, Nagano, Japan

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  • 長野県，上高地谷における斜面－谷底の土砂供給と地震との関係

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<p>On 22 April 2020 earthquake swarm began in Kamikochi region, central Japan. In May several times of relatively intense earthquakes occurred. After that many landslides and debris flows were caused by the heavy rain event on 14 June 2020. This situation was same as 1998. This suggests major landslides and debris flows are caused by the heavy rain event after earthquakes or earthquake swarm in Kamikochi region.</p>

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