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

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 Earth's entire outer surface is like a hard shell, which is broken into smaller pieces called 'tectonic plates'. New Zealand is on the boundary between two of these plates, called the Australian ...

A selection of dramatic images from New Zealand's volcanic centres. Green Lake, Raoul Island. Macauley Island, Kermadecs. After the March 2006 eruption, Raoul Island. Gas sampling, Ngauruhoe.

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 ...

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 ...

The size of an earthquake is often described using magnitude, which is the amount of energy released during an earthquake. However, not all of the energy released in an earthquake will necessarily be ...

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 ...

The distance inland that a tsunami travels. A sequence of extremely long travelling waves, generated by large disturbances - movements of the sea floor during earthquakes, volcanic eruptions, ...