FLOOD

Flood near Songnam, South Korea

Latest update
Map: Flood near Songnam, South Korea

GDACS has tracked this flood near Songnam, South Korea since October 18, 2026, 2 days as of its latest update on October 20. It carries a GREEN alert: limited humanitarian impact expected.

TypeFlood
GDACS alertGreen
CountrySouth Korea
SinceOct 18, 2026
Tracked for2 days
See it on the live 3D globe →Watch live on YouTube🔔 Get alerts near you

Reported impacts

Detected by GLOFAS (the Global Flood Awareness System of the EU Copernicus programme).

Why floods happen

River floods build over days as heavy rain or snowmelt fills a basin faster than its rivers can drain it; flash floods strike within hours of intense rain. Floods affect more people worldwide than any other natural hazard.

Seen from space

Satellite picture, Before · October 18, 2026
Before · October 18, 2026
Satellite picture, Latest · October 20, 2026
Latest · October 20, 2026

False color from MODIS on NASA’s Terra satellite (bands 7-2-1), which makes water stand out: rivers, lakes and flooded land are dark blue, vegetation is bright green, bare ground is brown, and clouds are pale cyan. The ring marks where the event was reported. Pictures: NASA Worldview (GIBS) from the daily satellite passes; clouds can hide the ground on some days.

GDACS report. Source: GDACS, the Global Disaster Alert and Coordination System of the United Nations and the European Commission (CC BY 4.0).

Did you know?

The 100-year flood. A 100-year flood doesn’t come once a century. It has a 1% chance in any year, and can happen two years in a row.

More: floods and droughts · all events

More from around the world