The ∼10 ka multiple vent pyroclastic eruption sequence at Tongariro Volcanic Centre, Taupo Volcanic Zone, New Zealand:

Nairn, I. A.; Kobayashi, Tetsuo; Nakagawa, Mitsuhiro

doi:10.1016/s0377-0273(98)00085-7

Cited by 84 publications

(76 citation statements)

References 27 publications

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“…Combining both strands into the whole fault, the recurrence range reduces to 1-4 kyr. This high variability in the recurrence is similar to that observed in other faults of the Taupo Rift (e.g., Rotoitipakau Fault, Berryman et al 1998;Paeroa Fault, Berryman et al 2008) and consistent with the observations of Nairn et al (1998), Nicol et al (2006), and Villamor et al (2007).…”

Section: Maximum Earthquake Magnitude and Rupture Recurrence: Earthqusupporting

confidence: 87%

Rupture history of the Whirinaki fault, an active normal fault in the Taupo rift, new Zealand

Canora‐Catalán¹,

Villamor

Berryman

et al. 2008

New Zealand Journal of Geology and Geophysics

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Trenching of two fault strands that form part of the 21 km long, and up to 2 km wide Whirinaki Fault, Taupo Rift, New Zealand, shows that surface fault rupture has occurred at least eight times during the past 26.5 kyr. Single-event displacements on each strand vary from a few decimetres to perhaps >2.5 m. Fault trace mapping, geomorphic analysis, and paleoseismic studies indicate a maximum magnitude for the Whirinaki Fault of c. M w 6.6, with a recurrence interval of between 1000 and 4000 yr. The variability of single-event displacement and timing of rupture on the two strands is attributed to various unsegmented and segmented rupture modes. Airfall tephra revealed in the trenches span the past 26.5 kyr, and provide time horizons to enable interpretation of how slip has accumulated on each of the strands of the fault. Temporal variation in slip rate ranges from 0.3 to 1.5 mm/yr and is indicative of spatial and temporal changes in the locus of strain in the Taupo Rift and the interdependence of the displacement rates and paleoearthquakes in the area.

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Section: Maximum Earthquake Magnitude and Rupture Recurrence: Earthqusupporting

confidence: 87%

Rupture history of the Whirinaki fault, an active normal fault in the Taupo rift, new Zealand

Canora‐Catalán¹,

Villamor

Berryman

et al. 2008

New Zealand Journal of Geology and Geophysics

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“…Also, the shape of Mt. Tongariro has progressively changed with time as violent eruptions and sector collapses have occurred (cf., Donoghue et al, 1995;Narin et al 1998;Moebis et al, 2011).…”

Section: Mātauranga Māori (The Māori Knowledge System)mentioning

confidence: 99%

Bridging Māori indigenous knowledge and western geosciences to reduce social vulnerability in active volcanic regions

Pardo

Wilson²,

Procter

et al. 2015

J Appl. Volcanol.

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A new pedagogical methodology is proposed to reduce the social vulnerability of indigenous communities occupying areas subject to volcanic activity, as a potential interactive approach between those communities, scientists, and scientific institutions. The multidisciplinary methodology aims to increase scientist's understanding of the relationship between native inhabitants and active volcanoes in indigenous territories, and to improve the effective dissemination of information. Also, the proposed methodology offers to the local community the scientific knowledge in an understandable and useful way, in order to maximize people's awareness of their exposure to volcanic activity. The procedure starts with the recognition of the local ancestral comprehension of the volcano and the cultural, ecological, and economical bonds between humans and volcanic processes. Subsequently, the transmission of the indigenous knowledge to the scientific community and the appropriation of geological knowledge by the children and teachers in a specific Māori primary school in New Zealand, allowed: (1) the establishment of a common language, (2) enhanced communication and collaboration between the participants involved in understanding and living with an active volcano, and (3) increased awareness about the relationship between humans and active volcanoes. A permanent application (and site-specific adjustment) of this method, and the use of the resulting teaching tools, could reduce social vulnerability and empower indigenous communities in the development of volcanic risk mitigation strategies by revitalizing and sharing knowledge, rather than imposing one epistemological system onto the other.

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“…Structural observations within the region are hampered by poor exposure because of the mantling effect of volcaniclastic deposits. Fault traces, largely interpreted from aerial photographs (Grindley 1959(Grindley ,1960Healy et al 1964;Nairn 1989;Nairn et al 1998) trend northeast-southwest and constitute the largest structural dataset. Faulting appears to vary temporally and spatially with activity younging towards the centre of the extensional system (Berryman & Villamor 1999).…”

Section: Extension In the Taupo Volcanic Zonementioning

confidence: 99%

“…Data sources on fault traces within the young TVZ include maps published by Institute of Geological & Nuclear Sciences, Wellington (GNS), supplemented by re-examination of aerial photographs (scale: 1:25 000) and published geological maps (Grindley 1960;Nairn 1989;Nairn et al 1998). Fault traces have been checked and extensive fieldwork undertaken to collect structural data (fault dips, fault plane striae, systematic fracture sets).…”

Section: Tvz Data Analysismentioning

confidence: 99%

Extensional fault kinematics within the Taupo Volcanic Zone, New Zealand: Soft‐linked segmentation of a continental rift system

Rowland

Sibson

2001

New Zealand Journal of Geology and Geophysics

151

130

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The Taupo Volcanic Zone (TVZ) is a young (<2 Ma) arc-backarc system in continental crust at the southern end of the Havre Trough characterised by intense volcanism and geothermal activity. An extensional fault belt (known locally as the Taupo Fault Belt) can be traced semicontinuously within the TVZ from Ruapehu in the southwest to the Bay of Plenty coast in the northeast. Contained within the belt are numerous active volcanic centres (andesitic, basaltic, rhyolitic) and geothermal systems. Kinematic studies demonstrate that normal faulting predominates within the fault belt, which we interpret as a distributed rift system (here termed the Ruaumoko Rift System), within which rift axes are locally defined by crudely symmetric dispositions of northwest-and southeast-dipping faults. The entire fault belt is partitioned along-strike into offset rift segments defined by association with discrete rift axes. Fault dips, where measurable, are generally steep (8 > 60°). Systematic fracture sets occur in all rock types in the TVZ and generally show a strong northeast-southwest trend, indicating a component of extensional strain distributed throughout the rock mass. Extension is predominantly orthogonal to the rift axes except in "accommodation zones" where interaction between offset rifting segments perturbs the stress field, locally enhancing permeability. The varying trends of extensional structures lie perpendicular to least principal stress trajectories in a locally heterogeneous stress field with normal dip-slip as the predominant fault mechanism.

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The ∼10 ka multiple vent pyroclastic eruption sequence at Tongariro Volcanic Centre, Taupo Volcanic Zone, New Zealand:

Cited by 84 publications

References 27 publications

Rupture history of the Whirinaki fault, an active normal fault in the Taupo rift, new Zealand

Rupture history of the Whirinaki fault, an active normal fault in the Taupo rift, new Zealand

Bridging Māori indigenous knowledge and western geosciences to reduce social vulnerability in active volcanic regions

Extensional fault kinematics within the Taupo Volcanic Zone, New Zealand: Soft‐linked segmentation of a continental rift system

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