9
Extreme
Tsunami Risk in Sydney, Australia
Risk Level: Extreme — Score 9/10
Risk: 9Historical: 10
Key Risk Factors
- High risk rating for Sydney based on ThinkHazard (Tsunami)
- Frequent historical activity recorded in proximity
- Active in the last 12 months (10 events)
- Largest recent event exposed 2,074,681 people
- Coastal location within tsunami inundation zone
Last significant event: Tsunami (Pacific Ocean - Local) - Mindanao Philippines - 7.4 (2025-10-10) — 1,148,600 people exposed
Highest Risk Cities for Tsunamis
3
Sydney, Australia
Risk: 9Historical: 10
How Sydney Compares
Loading chart...
Notable Tsunami Events Near Sydney
Tsunami (Pacific Ocean - Local) - Tonga - 7.1
March 29, 2025 — ADVISORY
2,074,681 people exposed; $318,833M capital exposed
Tsunami (Pacific Ocean - Local) - Mindanao Philippines - 7.4
October 9, 2025 — ADVISORY
1,148,600 people exposed; $47,953M capital exposed
Tsunami (Pacific Ocean - Local) - Taiwan - 7.5
April 1, 2024 — ADVISORY
1,043,380 people exposed; $47,777M capital exposed
Tsunami (Pacific Ocean - Local) - Vanuatu - 7.3
December 16, 2024 — ADVISORY
500,322 people exposed; $6,762M capital exposed
Tsunami (Pacific Ocean - Local) - Kyushu Japan - 7.1
August 7, 2024 — ADVISORY
419,163 people exposed; $33,527M capital exposed
Tsunami Preparedness Tips
- 1.Know your evacuation route to higher ground — practice it regularly
- 2.If you feel a strong earthquake near the coast, move inland immediately
- 3.Heed official tsunami warnings and never go to the beach to watch
- 4.Know the natural warning signs — rapid sea level drop, unusual ocean behavior
- 5.Have a go-bag ready with essentials for quick evacuation
Related Pages
Earthquake Risk in Sydney
Score: 0/10
Wildfire Risk in Sydney
Score: 1/10
Hurricane Risk in Sydney
Score: 0/10
Flood Risk in Sydney
Score: 1/10
Tornado Risk in Sydney
Score: 0/10
Winter Storm Risk in Sydney
Score: 0/10
Landslide Risk in Sydney
Score: 1/10
Extreme Heat Risk in Sydney
Score: 0/10
Drought Risk in Sydney
Score: 3/10
High Wind Risk in Sydney
Score: 0/10
Tsunami Risk in Melbourne, Australia
Score: 0/10
Tsunami Risk in Christchurch, New Zealand
Score: 0/10
Tsunami Risk in Suva, Fiji
Score: 0/10
Monitor Tsunami Risk in Real Time
Get real-time tsunami alerts for Sydney, Australia and hundreds of other locations with DisasterAWARE's enterprise platform.