Auckland
Regional Council - Volcanoes of Auckland
The
volcanic formations within the Auckland Region have developed
within the last 140 000 years. The above image represents only
some of Auckland's volcanic formations. To see how and when they
originated click here. Since their formation people have found
many uses for them. To learn how we use Auckland's volcanoes click
here. If a new volcano was to form within the region, it would
have a major impact on us. To see the potential impacts of another
volcanic eruption click here. |
Environment
Bay of Plenty - Geothermal management
The
Rotorua geothermal resource includes all the unique surface outflow
features of the Rotorua geothermal field such as sinter cones,
mud pools, geysers, springs, and hot pools but it also includes
the geothermal reservoirs underground. |
IGNS
- Mt Egmont
The
western 1500 km2 of Taranaki is a volcanic landscape that has
been constructed from the products of volcanic eruptions principally
derived from Mt Taranaki/Egmont (hereafter referred to as Egmont
Volcano). |
IGNS
- New Zealand's Volcanoes, an Overview
New
Zealands Volcanoes (an overview)
The New Zealand area is characterised by both a high density of
active volcanoes and a high frequency of eruptions. Volcanic activity
in New Zealand occurs in six areas (see figure below), five in
the North Island and one offshore in the Kermadec Islands. |
IGNS
- Okataina Volcanic Centre
It
is well known that Mt Tarawera is a volcano that erupted on 10
June 1886 AD, devastating the surrounding region and killing more
than 100 of the sparse population living nearby at the time. Much
less well known is that Mt Tarawera is only one volcano within
the Okataina Volcanic Centre – an area of many recently active
vents lying between Rotorua and Kawerau. |
IGNS
- Plate motion and deformation
New
Zealand is located on the boundary between two of the Earth’s
great tectonic plates – the Australian and the Pacific. |
IGNS
- Taupo Volcanic Centre
Everything
we know about Taupo Volcano has come from studying the deposits
of past eruptions, but our record of these deposits is incomplete.
Most of the deposits are covered by forest, farmland or towns
and the area close to the past vents is deep under Lake Taupo.
However the exposures that we do have are valuable windows into
the nature, size and effects of eruptions from Taupo. |
IGNS
- White Island
White
Island is the northernmost active volcano in the Taupo Volcanic
Zone - a 250km-long zone of intense volcanism that marks the boundary
of the Australian and Pacific tectonic plates. Scientists from
the Institute of Geological & Nuclear Sciences Limited are
regular visitors to the privately-owned island, which attracts
an ever-increasing number of tourists. |
Plate
tectonics, at Nevada Seismological Laboratory
Plate
Tectonics, the Cause of Earthquakes
The plates consist of an outer layer of the Earth, the lithosphere,
which is cool enough to behave as a more or less rigid shell.
Occasionally the hot asthenosphere of the Earth finds a weak place
in the lithosphere to rise buoyantly as a plume, or hotspot. |
| US
Geological Survey |
| Volcano
World - New Zealand pages |
| Volcano
World - Ngaruhoe page |
| Volcano
World - Ruapehu |
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