Industry sources are warning that the volcanic ash cloud's impact on the tourism sector will be serious if the disruptions continue much longer.

Flights over New Zealand could be disrupted for days as ash from the Chilean volcanic eruption...

Air NZ would adjust flight routes and altitudes to ensure aircraft remained clear of ash.

Liz Light takes a walk up Mt Taranaki.

The temperature of the lake has now fallen to about 33C and other monitored indicators show less activity.

Mount Ruapehu's Crater Lake is heating up, but there are no signs an eruption is imminent, say volcanologists.

Scientists from New Zealand and the United States plan to map the bottom of Lake Rotomahana in the hope of discovering what happened to the Pink and White Terraces hydrothermal system.

Aucklanders will be reminded that, like Christchurch, their city is built on a seismic hot spot when Eruption screens on TV3.

The power of Krakatoa is awe-inspiring, writes Michael Travers.

A huge undersea volcano has dramatically reduced in size after partly collapsing more than 100 metres toward the ocean floor.

The Auckland City Council has been accused of hypocrisy after ignoring the rules designed to protect the area's volcanic cones.