Flood Risk in Osaka, Japan
Risk Level: Extreme — Score 9/10
Key Risk Factors
- High risk rating for Osaka based on ThinkHazard (Urban flood)
- 22 events recorded in proximity in recent decades
- Significant river or coastal flood exposure
Peak season: March-September
Last significant event: Flood - SW of Gono Basin, Japan (2024-08-28) — 45,400,000 people exposed
Highest Risk Cities for Floods
How Osaka Compares
Notable Flood Events Near Osaka
Floods - Japan
September 6, 2022 — WARNING
Impact data not available
Floods – Western Japan
September 7, 2011 — WARNING
Impact data not available
Floods - Japan
August 13, 2012 — WARNING
Impact data not available
Floods - Western Japan
July 6, 2018 — WARNING
Impact data not available
Flood - SW of Gono Basin, Japan
August 27, 2024 — WARNING
45,400,000 people exposed; $12,356,524M capital exposed
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
How this data is built
Osaka, Japan 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.
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