In this paper, we introduced landslides induced by the northern Nagano Prefecture earthquake on March12,2011.The landslides occurred in an area where covered by2|3m depth of snow. Due to this situation, the landslides mass were displaced long distance mixing with large amount of snow. Moreover, in the case of the earthquake was triggered by the Mianohara fault, landslides distribution analysis revealed that in the study area, most of landslides occurred on the hanging wall of the source fault, within a distance of about14.5km from the fault.

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