Volcanic ash can play havoc with transport infrastructure, disrupting vital networks. The degree of disruption depends on particle size and deposit thickness, weather conditions, road surface materials and mitigation actions.
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Volcanic ash fall (tephra) can damage or even destroy buildings and infrastructure and threaten health and well-being, along with having a massive impact on both the local and national economy.
Tags:ashAucklandDisasterEmergency ManagementfieldhazardpublicationsrecoveryresponseRiskvolcanicwaste
A free, multi-hazard risk assessment software programme developed in New Zealand can be a powerful tool for assessing volcanic fields around the world.
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Several eruption scenarios set the scene for developing better volcanic risk mitigation and asset management practices.
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Observations and numerical models can help explore the depositional mechanisms, macroscale current dynamics, and potential impact on the city of dilute pyroclastic density currents (PDCs) in the Auckland Volcanic Field (AVF).
Tags:Aucklandbase surgecurrentdensitydynamicsEmergency Managementfieldimpactmodelspublicationspyroclasticvolcanic
A detailed study of the ancient and modern topography of New Zealand’s most populous city, Auckland, has revealed significant concealed fault offsets beneath the region’s volcanic field deposits.
Tags:AucklandAuckland Volcanic Field (AVF)block faultingborehole analysisconcealed faultsfaultsfieldgeologyJunction Magnetic AnomalymagneticpublicationsstructuraltopographyvolcanicWaitematā Group erosion surface
Ocean-generated ambient seismic noise has revealed estimated crustal shear-wave velocity profiles beneath the Auckland Volcanic Field.
Tags:ambient seismic noiseAuckland Volcanic Fieldcrustal structureDun Mountain–Maitai TerraneNew Zealandpublicationstomography
Holocene ash fall from both local and distal volcanoes has affected Auckland more frequently than previously documented, with a possible average frequency of at least once every 424 years.
Tags:chronologicalCommunicationcryptotephradistaleducationholocenemagneticpublicationsstratigraphicTeachingvolcanoes
The scale of eruption in the Auckland Volcanic Field (AVF) appears to be controlled by the dynamics of the soft area (asthenosphere) of the upper mantle.
Tags:asthenosphereAucklandCommunicationeducationfieldlithosphericmantlemonogeneticpublicationsTeachingvolcanic
The orientation of horizontal components of borehole seismometers is unknown on installation. However, it is crucial to any multicomponent seismic analysis.
Tags:Aucklandboreholefieldhorizontalorientationpublicationsseismicseismometersvolcanic
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