HANZE - Historical flood impacts in Europe (naturalhazards.eu)
HANZE database of historical and modelled floods in Europe (1870-2025), 2724+ events across 42 countries with inundated area, fatalities, persons affected and economic losses. Online viewer plus bulk CSV/shapefile download.
naturalhazards.eu
At a glance
- Region
- Netherlands/EU (Europe)
- Coverage
- 42 European countries
- Access
- Free
- Category
- Research
- Last updated
- 2026
What's inside
- flood archive
- historical floods
- flood impacts
- economic loss
What you can do with it
Typical work that data of this type supports.
- 01
Hazard maps
Map flood-prone areas and who and what is exposed.
Because it has: flood archive
- 02
Model validation
Check flood models against observed events.
- 03
Response planning
Support evacuation, relief and insurance decisions.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Flood extent from SAR
Segment flooded areas in radar imagery, even through cloud.
- 02
Depth estimates
Learn flood depth from terrain, rainfall and past events.
- 03
Early warning
Turn forecast ensembles into simple, local alerts.
Related water data
- European Drought ObservatoryEurope | Free
- European Environment Agency WaterbaseEurope | Free
- European Flood Awareness System (EFAS)Europe | Registration Required
- Italy ISPRA Environmental DataEurope | Free
- 2021 Floods in the Netherlands: Datasets Collection (4TU.ResearchData)Europe | Free
- A new dataset of river flood hazard maps for Europe and the Mediterranean BasinEurope | Free
Find more water data
Search and compare 1,900+ water data sources by region, type and access.