DisasterAWARE
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Low

flood Flood Risk in Christchurch, New Zealand

Risk Level: Low — Score 0/10

Risk: 0Historical: 10

Live Flood alert status near Christchurch

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Live flood map around Christchurch

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Key Risk Factors

  • 22 events recorded in proximity in recent decades
  • 2 event(s) in the last 12 months

Peak season: March-September

Last significant event: Flood - Clutha Basin, New Zealand (2024-07-03) — 1,060,000 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
Christchurch is not in the top 10 for flood risk among tracked cities.

How Christchurch Compares

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Notable Flood Events Near Christchurch

DisasterAWARE's historical archive records 5 notable flood events near Christchurch, ranked below by impact. The most impactful: Flood - Clutha Basin, New Zealand (July 2024) — 1,060,000 people exposed; $160,941M capital exposed.

Flood - Clutha Basin, New Zealand

July 2, 2024 — WARNING

1,060,000 people exposed; $160,941M capital exposed

Flood - Clutha Basin, New Zealand

May 5, 2024 — WARNING

832,000 people exposed; $132,769M capital exposed

Flood - Clutha Basin, New Zealand

January 22, 2024 — WARNING

771,000 people exposed; $125,268M capital exposed

Floods - Canterbury Region, New Zealand

December 8, 2019 — WARNING

Impact data not available

Floods - Christchurch, New Zealand

August 12, 2012 — 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 Christchurch
Score: 0/10
wildfire
Wildfire Risk in Christchurch
Score: 0/10
hurricane
Hurricane Risk in Christchurch
Score: 0/10
tornado
Tornado Risk in Christchurch
Score: 0/10
winter-storm
Winter Storm Risk in Christchurch
Score: 0/10
landslide
Landslide Risk in Christchurch
Score: 0/10
extreme-heat
Extreme Heat Risk in Christchurch
Score: 0/10
drought
Drought Risk in Christchurch
Score: 0/10
high-wind
High Wind Risk in Christchurch
Score: 0/10
tsunami
Tsunami Risk in Christchurch
Score: 0/10
flood
Flood Risk in Sydney, Australia
Score: 1/10
flood
Flood Risk in Melbourne, Australia
Score: 0/10
flood
Flood Risk in Suva, Fiji
Score: 9/10

How this data is built

Christchurch, New Zealand 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 Christchurch, New Zealand — free dataset samples →Real-time flood alerts by API →

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