Rain causes lahars on Tongariro

The weather closes in on Tongariro as DOC and science crews fly around the crater to get a better view, two days after the eruption.

Ash blankets the slopes below the Te Maari crater on Tongariro, two days after the eruption.

Boulders gouged out metre sized 'impact' craters along the Tongariro Alpine Crossing track.

Ketetahi hut was significantly damaged during the eruption.

Ash covering rock close to the Tongariro Crossing track from the ash cloud from the Tongariro eruption.

Boulders gouged out metre sized 'impact' craters along the Tongariro Alpine Crossing track near Ketetahi Hut on Mt Tongariro.

Dr Jon Procter from Massey University holds an ash sample after Mt Tongariro.

Karen Martin helps clean up ash at a friends' property after Mt Tongariro erupted for the first time in over 100 years.

A pair of glasses are covered in ash after Mt Tongariro erupted for the first time in over 100 years.

A sheep is covered in ash after Mt Tongariro erupted for the first time in over 100 years.

Road signs are coated in ash on state highway one after Mt Tongariro erupted for the first time in over 100 years.

Road signs and the surrounding area are coated in ash on SH1 one after Mt Tongariro erupted for the first time in over 100 years.

A motorist is surrounded by a cloud of ash on SH1 after Mt Tongariro erupted for the first time in over 100 years.

Josh Martin, 14, and his mother Karen Martin cleaning up a friends' property after Mt Tongariro erupted for the first time in over 100 years.

Dave Allan scribbles on a car at Poutu, near Lake Rotoaira.

Ash led to all flights to and from the Napier-Hastings' airport being cancelled.

The view of Mount Tongariro from Lake Rotoaira, on Sh46.

Authorities brief the media about the eruption.

Ash and steam rise from Tongariro.

Volcanic ash on a car at Poutu near lake Rotoaira.

Ash on the road from the Tongariro eruption.

The view towards Ruapehu and Tongariro from Waiouru.

The Mt Ruapehu webcam, about 7.30am today.

Takerei Gallagher closes the road at the corner of SH1 near National Park.

The popular Tongarior Crossing walking track is closed.

The sky over Ohakune hours after Tongariro's eruption.