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

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 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 file extensions for accelerograms are V1A (uncorrected) and V2A (corrected). The file name can take three forms: Each accelerogram data file contains heading data and accelerations for three ...

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) ...

View our compilation of informative tsunami-related videos. For more videos, visit the GNS YouTube channel. Why do we always worry about tsunami when they only cause small waves in New Zealand? Part 1 ...

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 ...

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 ...

The Young River Landslide occurred on the North Branch of the Young River, near Lake Wanaka, New Zealand, at 4:40am on 29 August 2007. The debris avalanche occurred in closely jointed schist, forming ...

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 ...