The earthquake that struck Cook Strait in the early evening of 23 April 1966, was felt over much of New Zealand. Although its magnitude was not exceptionally large, this earthquake had a large impact ...

Variable steam, gas and ash emissions observed at Whakaari / White Island. The Volcanic Alert Level remains at 2 and the Aviation Colour Code is changed to Orange. Over the past week, large white, ...

The 1855 earthquake is the most severe earthquake to have occurred in New Zealand since systematic European colonisation began in 1840.

The timestamp shown at the top right of the images is the time when the images were last refreshed. The previous 36 hours of sea level variations from all operational sites are displayed, oldest to ...

The timestamp shown at the top right of the seismograph drum shown above is the time when this image was last refreshed. The previous four hours (240 minutes) of seismic signals (also known as traces) ...

An interactive, multi-layered map displaying the peak strong motion data that GeoNet collected during the last hour. Select a site to view the PGA (g), PGV (cm/s) and MMI values. Sites are coloured to ...

The Aviation Colour Code system is based on four colours and is only intended for use by the civil aviation community. The system is defined by the International Civil Aviation Organization(ICAO), and ...

We get asked two questions a lot: what is an earthquake forecast and why do I need to know about them? GNS Science has been producing earthquake forecasts since the late 1990s, but it wasn’t until the ...

Felt earthquake reports are quantified using the New Zealand Modified Mercalli (MM) intensity scale. The MM scale grades the impact of an earthquake on people living on the earth's surface, and so can ...

New Zealanders live on the edge. Depending on their location, it might be the edge of the Australian Plate or it might be the edge of the Pacific Plate. The active Pacific-Australian Plate boundary ...

Volcano Activity Bulletins (VABs) are New Zealand's official source of volcano status information including the current Volcanic Alert Level (VAL). They are issued on an as needed basis summarising ...