Whakaari/White Island is currently passively emitting a weak-to-moderate steam and gas plume that contains minor volcanic ash ...

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

New Zealand’s tectonic setting in the Pacific puts us at risk from many different tsunami sources, some may be generated and arrive at our nearest coasts in less than an hour. To improve tsunami ...

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) ...

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 ...

Monitoring active volcanoes requires the use of several complementary techniques to ‘take the pulse of a volcano’. Collectively, this is known as volcano monitoring. The techniques we use to monitor ...

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 ...

The tsunami that was caused by a M 9 earthquake in Chile hit the shores of New Zealand in the early hours of 15 August, taking 15 hours to arrive here. The tsunami and earthquake killed thousands of ...

One hazard we don’t often get an opportunity to talk about at GeoNet is landslides. That’s a good thing, we aren’t complaining. But with the M7.8 Kaikōura Earthquake, landslides and land deformation ...

For each site, 3 CSV files (named site_[e/n/u].csv) are available, containing the difference with respect to the East, North and Up (NEU, WGS84 ellipsoid) reference position: the first column is the ...