Chézy-sur-Marne (, literally ''Chézy on Marne'') is a commune in the
Aisne
Aisne ( , ; ; ) is a French departments of France, department in the Hauts-de-France region of northern France. It is named after the river Aisne (river), Aisne. In 2020, it had a population of 529,374.
Geography
The department borders No ...
Hauts-de-France
Hauts-de-France (; ; ), also referred to in English as Upper France, is the northernmost region of France, created by the territorial reform of French regions in 2014, from a merger of Nord-Pas-de-Calais and Picardy. Its prefecture is Lille. ...
in northern
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
.
2009 flood
The town was hit by a
flash flood
A flash flood is a rapid flooding of low-lying areas: washes, rivers, dry lakes and depressions. It may be caused by heavy rain associated with a severe thunderstorm, hurricane, or tropical storm, or by meltwater from ice and snow. Flash f ...
and
mudslide
A mudflow, also known as mudslide or mud flow, is a form of mass wasting involving fast-moving flow of debris and dirt that has become liquified by the addition of water. Such flows can move at speeds ranging from 3 meters/minute to 5 meters/ ...
on 14 June 2009 after a violent localised storm. Cars were floated downstream, cellars and ground-floor rooms in low-lying houses were flooded. Adjacent localities were also affected.