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Domino Effect: Cascading disasters and lessons from the Tonga eruption

Organizer(s) Tonkin + Taylor Committee on Data (International Science Council) Integrated Research on Disaster Risk
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Event language(s)
  • English
Date
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Time

23:30 UTC (12:30 NZST)

About

While research communities are trying to better understand complex, compounding and cascading disasters, the Hunga Tonga-Hunga Ha'apai eruption and tsunami in January 2022 devastated Tonga’s emergency management system.

Natural hazards often occur simultaneously or successively, resulting in complex, compounding and cascading impacts that interact.

Climate change may increase both compound and cascading hazards in the future - knowledge on how these impacts interface is crucial for reducing disaster risk. 

Tonkin + Taylor in partnership with Integrated Research on Disaster Risk (IRDR), Committee on Data (CODATA) of the International Science Council (ISC) bring together experts to share:

  • A forensic assessment of Hunga Tonga-Hunga Ha'apai eruption and tsunami in Tonga
  • A cascading and compounding hazard assessment
  • Volcanic eruption and tsunami scenarios
  • Lessons learned and ways forward

Attachments

lessons-from-tonga.pdf 2.9 MB, PDF,

Explore further

Hazards Volcano
Themes Disaster risk management Systemic risk
Country and region Tonga
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