Overall Green alert Flood
in Japan

Event summary

Flood can have a low humanitarian impact based on the magnitude, exposed population and vulnerability.

GDACS ID FL 1103481
Death: 1
Displaced: 10166
Countries: Japan
From - To 02 Sep - 12 Sep

GDACS Score

For more info on GDACS alert score click here.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Japan, Mid-September 2025Severe weather including tornadoes, strong winds and heavy rain impacted areas of Japan from 10 September 2025. Flooding occurred in areas of Tokyo and Kanagawa, Mie and Gunma Prefectures.Tue 16 Sep 2025Provided by Copernicus EMS GloFAS
Detailed event map. European Union, 2025. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (37), (2), NASA (4), WMO (1), INFORM (2),