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What is a Volcanic Alert Level?

GeoNet keeps a close eye on all active volcanoes in New Zealand (and the Kermadecs). To help us do this we have the New Zealand Volcanic Alert Level System, which defines the current level of activity at each volcano.

5 days ago

Submarine eruption in Tonga gives us a chance to test our satellite analysis techniques

Submarine eruptions rarely happen close to New Zealand, so when the eruption happened off Tonga in August, GeoNet got a chance to test our satellite data analysis tools.

Last week

M5.2 earthquake at Lake Taupo

Earthquakes in the Taupo region are often associated with existing faults caused by the spreading of the Taupo Volcanic Zone due to large scale tectonic processes.

Last week

Volcanic Alert Bulletin
Mt Ruapehu crater lake (Te Wai ā-moe) is in a new heating cycle

The temperature of Mt Ruapehu’s summit lake Te Wai ā-moe is slowly rising, but no other changes in monitored parameters have been observed.

3 weeks ago

Strong Earthquake strikes South Island

The M5.5 earthquake occurred 15 km north of Milford Sound at 12km deep, 10:35pm on Monday 12th August 2019.

Last month

Earthquakes south of New Zealand

On 4 August 2019 two large earthquakes occurred south of New Zealand in the Snares Islands/Tini Heke.

Last month

Skiing Mt Ruapehu: What you should know about the volcano

The snow at Mt Ruapehu attracts excited skiers and boarders, some of whom may not know that it is one of New Zealand’s most active volcanoes!

Last month

Christchurch quakes within aftershock probabilities

Today’s M3.9 earthquake in Christchurch was the largest in the city in the past 12 months and the third quake in the wider city area of between M3 and M4 this month.

Last month

Lake Taupo earthquake swarm

Earthquake activity near Lake Taupo usually gets people’s attention. Here’s some information about the latest swarm. Let’s be clear though, New Zealand’s favourite volcano is not about to erupt!

2 months ago

We know you don’t like our ghost quakes, so we are fixing that for you

Good-bye ghost quakes! Starting next week, every quake listed on our website/app will have been reviewed by one of our Geohazards Analysts – that way only real quakes get reported.

2 months ago