Tsunamis

The Tangaroa assisted in New Zealand’s largest ever deployment of seafloor earthquake recording instruments in a bid to learn more about the earthquake behaviour of the tectonic plates beneath the east coast of the North Island.
A tsunami reporting station situated in the Pacific Ocean that is currently off line is to be upgraded in a joint operation involving New Zealand and United States government agencies.
The New Zealand Palaeotsunami Database (Database) brings together all known information about tsunamis that occurred prior to written records.
Imagine if you could foresee what would happen to your home in a severe flood or tsunami, and then work out how to prevent or reduce the impact before any such event occurred.

The scientific records of palaeotsunamis to have affected New Zealand shores can now be accessed in a new one-stop information shop.

An exhibition of work NIWA was involved in titled “Shifting Paradigm: The Village of Sa’Anapu, Samoa” was hosted by the National Museum of Samoa this year and is now available in a striking digital presentation.
Shifting Sands - Tsunami hazard off Kaikoura, NZ

Dr Joshu Mountjoy discusses NIWA's work in assessing the tsunami hazard just south of Kaikoura. 

Find out more about this research. 

Could Wallis and Futuna be affected by tsunamis? And if so, what characteristics would such tsunamis have?

The Ocean Survey 20/20 (OS 20/20) programme is a Government initiative, which aims to provide New Zealand with better knowledge of its ocean territory, including New Zealand's Exclusive Economic Zone (EEZ), Continental Shelf and the Ross Sea Region.

Welcome to this special edition of  Natural Hazards Update, highlighting the Shallow Survey 2012.

Coming from the Japanese word 'harbour wave', tsunami are a series of waves – with wave lengths up to hundreds of kilometres between crests - caused by undersea seismic disturbances.

Welcome to NIWA's third Alumni Update – an e-newsletter for past NIWA employees.

NIWA's research into tsunami covers modelling, underwater earthquakes and landslides, post-disaster surveys and risk/loss assessment.

Welcome to NIWA's second Alumni Update – an e-newsletter for past NIWA employees.

A powerful magnitude 8.0 earthquake ruptured the seafloor south of Samoa on 30 September 2009, unleashing a destructive tsunami on Samoa, American Samoa, and northern Tonga (Niuatoputapu).

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