Jump to Navigation
Skip to main content
Coasts and Oceans
Freshwater and Estuaries
Weather and climate forecasting
Climate change adaptation
High Performance Computing Facility
Stable Isotope Analytical Facility
Air quality monitoring with low-cost sensors
News & publications
Education & training
Institutes we work with
Science and Technology Fairs
Statement of Core Purpose
Statement of Corporate Intent
Our partners & funders
Careers at NIWA
Organisational sustainability charter
Auckland - Head Office
Enter your keywords
Natural Hazards frequently asked questions
Help us build a better niwa.co.nz for you by filling out our
Tornadoes in New Zealand - FAQs
Some commonly-asked questions about tornadoes in New Zealand.
What is a return period?
The probability that events such as floods, wind storms or tornadoes will occur is often expressed as a return period.
Did sea-level gauges in New Zealand detect the 2010 Chile Tsunami?
Rob Bell's analysis of the tsunami signature.
What impact did the Samoa tsunami have on New Zealand?
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).