This data is from Darthmouth Flood Observatory (DFO) Global Active Archive of Large Flood Events. It contains more than 4000 records of flooding events globally from 1985 - 2010.
[Creator not found] (n.d.). Global Active Archive of Large Flood Events (DFO). . https://data.humdata.org/dataset/1fd855de-57c6-42b3-83e1-9cf989b0f70d (dataset)