This place explains all about new zealands volcanic activity. Electrical resistivity image of the upper crust within the taupo volcanic zone, new zealand. A study by denise tang, who graduates with a phd in geology next week, investigated the evolution of ancient explosive volcanoes in hong kong that. We have analysed three recent earthquake sequences in the northern part of the taupo volcanic zone. The caldera, now filled by lake taupo, largely formed as a result of the voluminous eruption of the oruanui tephra about 22,600 years before present bp. Learn about maori culture and the legends depicted in the carvings from the live onboard commentary. Mamaku ignimbrite erupted 220 230 ka, is a voluminous deposit that is exposed over c. The shear wave velocity structure across the region is inferred using nonlinear inversion of receiver functions, which were derived from teleseismic earthquake data. Rotorua caldera is a 21x22 km complex collapse structure in south west bay of plenty, taupo volcanic zone, new zealand. Evolution of the intraarc tauporeporoa basin within the. A 1998 sequence at haroharo with a largest event of ml 4.
Palaeomagnetism and chronology of the central taupo. This booklet is designed to inform you about the volcanic hazards of the taupo area. Gns science said the zone, which extends from white island to ruapehu. The taupo volcanic zone is a volcanic area in the north island of new zealand that has been active. Of these, 42 occurred in the last 36 million years. The taupo volcanic zone tvz, new zealand is a region characterized by very high magma eruption rates and extremely high heat flow, which is manifest in hightemperature geothermal waters. Geothermal fields, taupo volcanic zone, north island, new. Taupo is surrounded by geothermal activity, being part of the taupo volcanic zone. It is named after lake taupo, the flooded caldera of the largest volcano in the zone. Map of the central north island showing the thickness of tephra erupted from taupo volcano in the last 22,000 years. World volcano profiles new zealand taupo volcanic zone. The volcanic explosivity index classified that eruption as apocalyptic, one of only 47 eruptions identified as such. Their characteristics epithermal environments and styles of mineralization 471 and relation to volcanism and mineralisation.
Wifi is available in all areas and is free of charge. Top view with a spa tauranga taupo holiday home waitetoko. Hydrologic, magmatic, and tectonic controls on hydrothermal. Geysers, boiling mud and drifting steam give an otherworldly feel, while the. For a one page fact sheet poster on taupo volcano click volcanofactsheets taupo. Top view with a spa is a 4 bedroom 2 bathroom tauranga taupo holiday. Geology of the matata fault block, taupo volcanic zone. Mount ruapehu marks its southwestern end and the zone runs northeastward through the taupo and rotorua areas and offshore into the bay of plenty. Oblique back arc rifting of taupo volcanic zone, new zealand. Pdf understanding the evolution of a smallvolume silicic fissure. Doc rev f 4 december 2006 development structures localised erosion issues associated with structures such as ramps and groynes is widespread around lake taupo. Volcanic and structural evolution of taupo volcanic zone, new.
New zealand volcanoes volcanoes science topics learning. It is a region characterised by intense volcanism, rapid extension and high heat output. Volcanic evolution of the huka group at wairakeitauhara. The taupo volcanic zone tvz is a complex fault controlled volcanotectonic depression, about 350 km long and 60 km wide, extending from mount ruapehu to the bay of plenty north island, new zealand. Shear wave velocity variation across the taupo volcanic. Dacites form a relatively small proportion of lavas in the taupo volcanic zone, new zealand. The taupo volcanic zone is extremely active on a world scale. We constrain the crustal structure of the extensional offshore taupo volcanic zone tvz from a marine multichannel and wide. Other, older, calderas may also be present in the reporoa depression. To learn more about the bach and taupo trout fishing visit. For comparison, the plume height during the 1991 eruption of pinatubo in the philippines was 40 km, so taupos 186 a. It extends some 350 kilometres from mount ruapehu and mount ngauruhoe at the southwestern tip, through taupo, rotorua and to whakaari or white island. Both tongariro and ruapehu are currently classified as being at volcanic alert 1. The taupo volcanic zone the south island high country, which includes parts of otago, canterbury and marlborough each study includes information on what the natural environment is like now.
The tvz is an extensional feature called a back arc basin which allows magma from the mantle to well up near the. Structural control and origin of volcanism in the taupo. As you might expect from a volcanic zone, there are numerous active volcanoes and geothermal fields in the area. We report palaeomagnetic measurements from 59 distinct volcanic units sampled at 98 sites in the tvz. The taupo volcanic zone grays is the currently active volcanic arc darker gray and backarc basin lighter gray. Taupo has a huge amount of accommodation as it is a holiday destination for kiwis and international travelers. Oblique back arc rifting of taupo volcanic zone, new. The taupo caldera complex is characterized by two elliptical nested calderas cole et al. Volcanic and structural evolution of taupo volcanic zone. Buklarewicz major structures, lava types, and vent locations at the rotorua and okataina volcanic centers within. Trek across the volcanic landscape of the tongariro alpine crossing on a fullday hike. It extends some 350 kilometres from mount ruapehu and mount. The zone contains the volcanoes of taupo,tarawera and rotorura. The taupo volcanic zone tvz on new zealands north island is responsible for most of new zealands current volcanic activity.
Jcu seg student chapter new zealand, north island field trip 2015 10 figure 3. The edge of two tectonic plates the pacific and the indoaustralian transects the foundations of the continent and its grinding and friction have given us the alps in the south and, in the north, a volcanic zone that is 350 km long and 50 km wide. Taupo, the most active rhyolitic volcano of the taupo volcanic zone, is a large, roughly 35kmwide caldera with poorly defined margins. Aug 28, 2003 volcanic activity occurred in two subparallel ne. Taupo volcanic zone contains most of the quaternary volcanism in new. Tongariro is in the taupo volcanic zone, where most of new zealands volcanism of the past 1.
Okataina volcanic center, new zealand volcano world. In this paper their origin is considered in terms of three processes. The alert levels range for 0 to 5 and define the current status of the volcano. Could not find references for rotoma volcanic complex and okareka volcanic complex on global volcanism program, smithsonian institution or on volcano world though, but there is an okareka ash of a tarawera eruption, and a rotoma geothermal field. The tvz is an extensional feature called a back arc basin which allows magma from the mantle to well up near the crust causing more activity. Your guide ensures that you are fully prepared and equipped for the rugged terrain of tongariro national park, a unesco world heritage site on new zealands north island. The structure and eruptive history of rotorua caldera, taupo. Abstract the 3d distribution of pwave velocity vp and the pwaveswave velocity ratio vpvs are derived for the crust in the central taupo volcanic zone tvz, new zealand, by tomographic inversion of p and swave arrival time data from local earthquakes. Central taupo volcanic zone is the most frequently active and productive silicic volcanic system on earth, erupting rhyolite at c. Its geometry and kinematics are investigated using shaded relief images, field examination of faults and offset stream channels. The taupo volcano forms part of the taupo volcanic zone. Enjoy a relaxing, scenic cruise on lake taupo that takes you to the contemporary maori rock carvings on cliffs. Smith editor, late cenozoic vol canism in new zealand.
Magmatic volatile distribution as recorded by rhyolitic. Evolution of the intraarc tauporeporoa basin within the taupo volcanic zone of new zealand d. New zealand taupo volcanic zone department of energy. Major structures, lava types, and vent locations at the rotorua and okataina volcanic centers within the northern taupo volcanic zone. The lithic lag breccias, together with structural and geophysical evidence, confirm reporoa caldera as the source of the c. Oruanui was the most recent, occurring 26,500 years ago. Subcategories this category has the following 21 subcategories, out of 21 total. The taupo volcanic zone it extends some 350 kilometres from mount ruapehu and mount ngauruhoe at the southwestern tip, through taupo, rotorua and to whakaari or white island. Tempo, styles and controls the central taupo volcanic zone tvz in new. The huka group at wairakeitauhara geothermal field wairakeitauhara is primarily comprised of volcanic deposits preserving 300 kyr of evolution in the taupo volcanic zone tvz, new zealand. World volcano profiles new zealandtaupo volcanic zone the taupo volcanic zone tvz on new zealands north island is responsible for most of new zealands current volcanic activity. Examination then relies on an integrated mix of detailed macroscopic assessment and techniques utilising remaining stable magmatic phases. Mount ruapehu marks its southwestern end and the zone runs northeastward through the taupo and.
The taupo volcanic zone is a highly active volcanic v shaped area in the north island of new zealand that is spreading east west at the rate of about 8mm per year. The huge caldera collapse crater has been partly filled. Characteristics of three recent earthquake sequences in. A 3d multidisciplinary interpretation of the basement of. Structurally, the axis of the rift is offset along strike by transfer accommodation zones that align with caldera margins. It is a type example of an inverse volcano that slopes inward towards the most recent vent location. Featuring mountain views, brams bach provides accommodations with a garden and a balcony, around 2. The taupo volcanic zone is named after lake taupo, the largest volcano in the zone. Located in the heart of the taupo volcanic zone the volcanic activity centre is a fun interactive and educational experience where you will discover all about the.
Earth planets space, 57, 591603, 2005 deep electrical structure of the central volcanic region and taupo volcanic zone, new zealand malcolm ingham school of chemical and physical sciences, victoria university of wellington, po box 600, wellington, new zealand. Many people say when leaving taupo, they wished they had planned to stay longer. Lake taupo, in the centre of new zealand s north island, is the caldera of a large rhyolitic supervolcano called the taupo volcano. Characteristics of three recent earthquake sequences in the.
Request pdf volcanism in the central taupo volcanic zone, new zealand. Major tectonic features of the north island of new zealand, and location of the waipapa and torlesse terranes. Lake taupo holiday homes, accommodation rentals, baches and. Welcome to turangis volcanic activity centre located at the gateway to the taupo volcanic zone, the volcanic activity centre is a handson interactive educational centre that aims to bring the explosive past and present volcanic and geothermal features of this area to life and explain its many spectacular and unique natural features. Lines are contours in metres of equal tephra thickness and are a useful guide to the probable distribution of airfall tephra in another eruption from taupo. Epithermal environments and styles of mineralization. The tvz is an extensional feature called a back arc basin which. Deep electrical structure of the central volcanic region. Volcanism in the central taupo volcanic zone, new zealand. The volcanic arc is best developed at the southern tongariro volcanic centre end of the tvz, while on the eastern side of the tvz it is represented mainly by dacite volcanoes, and in the bay of plenty andesitedacite volcanoes occur on either. In its modern taupo volcanic zone comprises a magmatically. Fault controls on the geometry and location of the okataina. Geothermal fields, taupo volcanic zone, north island, new zealand abstract.
Taupor volcanic zone tvz is the currently active volcanic arc and backarc basin of the taupo hikurangi arctrench system, north island, new zealand. Magmatic volatile distribution as recorded by rhyolitic melt inclusions in the taupo volcanic zone, new zealand florence be. The volcanoes of taupo volcanic zone are monitored by geonet, a collaboration between the earthquake commission and gns science. The rhyolites show no major compositional changes with time, but the total range of. A 3d multidisciplinary interpretation of the basement of the. The bach by the lake fishing spot taupo, new zealand.
Remapping ancient hong kong volcanoes yields new insights. Jcu seg student chapter new zealand, north island field. Most of new zealands volcanic activity has taken place in the taupo volcanic zone tvz, a long rectangular area from white island to ruapehu. Lake taupo was formed by the massive oruanui eruption, one of the largest volcanic eruptions in history. The huge caldera collapse crater has been partly filled by new zealands largest lake, lake taupo.
The tvz occupies a narrow band 250 km long and 50 km wide which extends from the centre of the north island to beyond the bay of plenty. This study investigates the past and present geological history of matata with a particular focus on the extent to which the geomorphology of the matata fault block is influenced by the relationship between active tectonics and the engineering geological properties of the stratigraphy. Taupo volcanic zone is the highly active volcanic area in the north island of new zealand, that stretches from mount ruapehu to white island. The taupo volcanic zone tvz is the most volcanically active region in new zealand. Seismic velocity structure of the central taupo volcanic.
The taupo volcanic zone tvz is a volcanic area in the north island of new zealand that has been active for the past two million years and is still highly active. Taupos volcanic activity centre your educational interactive. Taupo volcano new zealand volcanoes volcanoes science. The form of the lakeshore has naturally evolved over time as evidenced by historic landforms around the lake edge. It forms a southern portion of the active lauhavretaupo backarc basin, which lies behind the kermadectonga subduction zone.
Mount ruapehu marks its southwestern end, while white island is considered its northeastern limit. Taupo volcanic centre geology volcano geology and hazards. The young taupo volcanic zone tvz 340 ka to present is a 250 km northeastsouthwest trending volcanic rift of predominantly andesitic to rhyolitic arcback arc volcanism within continental crust of the central north island of new zealand cole, 1990, wilson et al. Taupo volcanic zone hamilton, new zealand geographical. Lake taupo shoreline erosion study 3251438taa beca page 5 l2. Tectonic setting of the taupo and coromandel volcanic zones and the central volcanic region of new zealand. Calderas and geothermal systems abound in the taupo volcanic zone of new zealand tvz, described as a type example of the.
These are mainly rhyolitic ignimbrites and lava domes, with a few basaltic, andesitic, and dacitic lavas. Its a crater lake that was formed by a massive volcanic eruption some 2000 years ago. Deep electrical structure of the central volcanic region and. Origin of dacites of taupo volcanic zone, new zealand.
This huge volcano has produced two of the worlds most violent eruptions in geologically recent times. Seismic evidence of magmatic rifting in the offshore taupo. Rotorua is part of the taupo volcanic zone, a geothermal field extending from white island off the bay of plenty coast to mt ruapehu far to the south. Volcanic activity centre taupo 2020 all you need to know. This is most prevalent in the areas around taupo township. For comparison, the plume height during the 1991 eruption of pinatubo in the philippines was 40 km, so taupo s 186 a. Volcanic activity centre taupo 2020 all you need to. Lake taupo is the largest fresh water lake in australasia.
We need to monitor volcanic zones in our region to prepare for and minimise any effects from future volcanic activity. Taupo volcanic zone how is taupo volcanic zone abbreviated. Sw trending zones crosscutting the caldera complex wilson et al. Volcanic activity centre turangi 2020 all you need to.