DisasterAWARE
5
High

flood Flood Risk in Seoul, South Korea

Risk Level: High — Score 5/10

Risk: 5Historical: 10

Live Flood alert status near Seoul

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Live flood map around Seoul

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Key Risk Factors

  • Moderate risk rating for Seoul based on ThinkHazard (Urban flood)
  • Frequent historical activity recorded in proximity
  • Active in the last 12 months (6 events)

Peak season: March-September

Last significant event: Flood - Nakdong Basin, China, South Korea and North Korea (2024-10-30) — 67,700,000 people exposed

Highest Risk Cities for Floods

1
New York, NY
FEMA: 9Historical: 10
2
Los Angeles, CA
FEMA: 9Historical: 10
3
Chicago, IL
FEMA: 9Historical: 10
4
Houston, TX
FEMA: 9Historical: 10
5
Phoenix, AZ
FEMA: 9Historical: 10
6
Philadelphia, PA
FEMA: 9Historical: 10
7
San Antonio, TX
FEMA: 9Historical: 10
8
San Diego, CA
FEMA: 9Historical: 10
9
Dallas, TX
FEMA: 9Historical: 10
10
San Jose, CA
FEMA: 9Historical: 10
Seoul is not in the top 10 for flood risk among tracked cities.

How Seoul Compares

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Notable Flood Events Near Seoul

DisasterAWARE's historical archive records 5 notable flood events near Seoul, ranked below by impact. The most impactful: Flood - Nakdong Basin, China, South Korea and North Korea (October 2024) — 67,700,000 people exposed; $2,349,482M capital exposed.

Flood - Nakdong Basin, China, South Korea and North Korea

October 29, 2024 — WARNING

67,700,000 people exposed; $2,349,482M capital exposed

Flood - W of Han-Gang Basin, China, South Korea and North Korea

April 14, 2024 — WARNING

51,650,000 people exposed; $1,463,638M capital exposed

Flood - Yalu River Basin, China, South Korea and North Korea

April 25, 2024 — WARNING

33,290,000 people exposed; $795,393M capital exposed

Floods – South Korea

August 9, 2011 — WARNING

Impact data not available

Floods – South Korea

July 28, 2011 — WARNING

Impact data not available

Flood Preparedness Tips

  • 1.Know if your property is in a flood zone — check FEMA maps
  • 2.Consider flood insurance even if not in a high-risk zone
  • 3.Never drive through flooded roadways — Turn Around, Don’t Drown
  • 4.Move valuables and important documents to upper floors
  • 5.Install sump pumps and check valves in plumbing

Related Pages

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Earthquake Risk in Seoul
Score: 1/10
wildfire
Wildfire Risk in Seoul
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hurricane
Hurricane Risk in Seoul
Score: 9/10
tornado
Tornado Risk in Seoul
Score: 0/10
winter-storm
Winter Storm Risk in Seoul
Score: 0/10
landslide
Landslide Risk in Seoul
Score: 3/10
extreme-heat
Extreme Heat Risk in Seoul
Score: 5/10
drought
Drought Risk in Seoul
Score: 3/10
high-wind
High Wind Risk in Seoul
Score: 0/10
tsunami
Tsunami Risk in Seoul
Score: 5/10
flood
Flood Risk in Osaka, Japan
Score: 9/10
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Flood Risk in Shanghai, China
Score: 9/10
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Flood Risk in Beijing, China
Score: 3/10

How this data is built

Seoul, South Korea flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live flood monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

The data behind this page

Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.

Historical flood event data for Seoul, South Korea — free dataset samples →Real-time flood alerts by API →

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