DisasterAWARE
5
High

flood Flood Risk in Santiago, Chile

Risk Level: High — Score 5/10

Risk: 5Historical: 10

Live Flood alert status near Santiago

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Live flood map around Santiago

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Key Risk Factors

  • Moderate risk rating for Santiago based on ThinkHazard (River flood)
  • 12 events recorded in proximity in recent decades
  • 1 event(s) in the last 12 months

Peak season: March-September

Last significant event: Flood - Colorado Basin, Argentina and Chile (2024-12-21) — 8,220,000 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
Santiago is not in the top 10 for flood risk among tracked cities.

How Santiago Compares

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Notable Flood Events Near Santiago

DisasterAWARE's historical archive records 5 notable flood events near Santiago, ranked below by impact. The most impactful: Floods - Chile (August 2024) — 15,508,820 people exposed; $709,876M capital exposed.

Floods - Chile

August 1, 2024 — WARNING

15,508,820 people exposed; $709,876M capital exposed

Flood - Colorado Basin, Argentina and Chile

December 20, 2024 — WARNING

8,220,000 people exposed; $421,337M capital exposed

Flood - Rapel Basin, S of Rapel River, Argentina and Chile

December 21, 2023 — WARNING

1,240,003 people exposed; $55,504M capital exposed

Flood - Colorado Basin, Argentina and Chile

December 19, 2022 — WARNING

Impact data not available

Flood/Landslide - Chile

February 26, 2017 — 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

earthquake
Earthquake Risk in Santiago
Score: 0/10
wildfire
Wildfire Risk in Santiago
Score: 9/10
hurricane
Hurricane Risk in Santiago
Score: 0/10
tornado
Tornado Risk in Santiago
Score: 0/10
winter-storm
Winter Storm Risk in Santiago
Score: 0/10
landslide
Landslide Risk in Santiago
Score: 1/10
extreme-heat
Extreme Heat Risk in Santiago
Score: 9/10
drought
Drought Risk in Santiago
Score: 9/10
high-wind
High Wind Risk in Santiago
Score: 0/10
tsunami
Tsunami Risk in Santiago
Score: 0/10
flood
Flood Risk in Buenos Aires, Argentina
Score: 0/10
flood
Flood Risk in Lima, Peru
Score: 5/10
flood
Flood Risk in Sao Paulo, Brazil
Score: 3/10

How this data is built

Santiago, Chile 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 Santiago, Chile — free dataset samples →Real-time flood alerts by API →

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