Sources: Top5ofanything.com disaster research 2017.
List Notes: For the purposes of this list one landslide listed can actually be a series of more than one events and data may include nearby cities and towns not listed but were affected by the disaster. List last updated September 2017.
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Landslides and avalanches are usually secondary effects of primary events such as an earthquake, flood or deforestation.
The landslide deaths in the Swiss Alps from Hannibal's army while crossing the mountain range is estimated. Many of the soldiers undoubtedly died from other causes related to cold. It is difficult to determine exactly how many died from avalanches directly.