NZ experts question new US study on Taupo suggesting "super-eruptions" are well signalled.

A remote-operated sub that helped discover the Titanic probes NZ underwater volcano.

Firefighters are extinguishing one fire and inspecting another on the same street.

White Island's crater lake has reappeared, as quakes detected at the island and Ruapehu.

A series of volcanic earthquakes is stirring beneath Mt Ruapehu.

Undiscovered volcanic features could lie hidden not far from the Bay of Plenty's coast.

Taupo, which produced one of the world's biggest eruptions, represents NZ in 'Volcano Cup'

Firefighter on holiday in Bali saved woman's life after she fell into volcano crater.

Quake activity has returned to the Ring of Fire as scientists fear a "big one" is coming.

A 3D perspective image of the caldera and summit of Havre Volcano, in the SW Pacific north of New Zealand that experienced a submarine eruption in 2012. / Supplied by Woods Hole Oceanographic Institution 2018

Scientists shed new light on powerful 2012 undersea eruption north of NZ.

Dormant volcano wakes with first eruption in known history.

Poorly-understood threat posed by volcano-driven tsunamis focus of cutting-edge study.

COMMENT: Experts think Mount Agung is on the brink of a major eruption.

Experts have described developments happening inside one of Earth's biggest volcanoes.

Indonesia's erupting Mt Agung holds lessons for preparing for the next big blow here.

Thousands of travellers are already trapped but Indonesia warns worst is yet to come.

Travellers need to take insurance as soon as they book tickets say insurers.

In the long term, ash ejected from Mount Agung can positively impact agriculture.

Only 70,000 people live in areas designated as dangerous now by the government.

Abandoned villages, filthy evacuation centres and a drastic shortage of one critical item.

Could a volcanic eruption in Bali mean a cooler spring and summer for New Zealand?

A NZDF Orion has spotted huge columns of smoke and ash billowing from a Vanuatu volcano.

Kiwis in Bali have been warned to stay at least 12km from the Mount Agung volcano.

Strong tremors rippled through one of the world's most popular tourist destinations.

More tremors have sparked fear Bali's rumbling Mount Agung could erupt at any moment.

Number of tremors at Bali's Mt Agung volcano has increased as thousands flee.

Rich resources of oil and gas could lie trapped inside volcanoes buried off our coasts.

Tremors and smoke from Bali's Mount Agung volcano indicates it could blow within 24 hours.

Scientists will model the risks of a future "super-eruption" in a new $8.2 million study.