Fields of Research

Volcanology
Marine geoscience
Geology
Resource geoscience
Sedimentology
Igneous and metamorphic petrology
Geodynamics
Marine and estuarine ecology (incl. marine ichthyology)
Palaeoclimatology
Surveying (incl. hydrographic surveying)
Economic geography
Physical oceanography
Exploration geochemistry
Geophysical and environmental fluid flows
Structural geology and tectonics
Natural hazards
Geophysics
Stratigraphy (incl. biostratigraphy, sequence stratigraphy and basin analysis)
Geochemistry
Isotope geochemistry
Geochronology
Inorganic geochemistry
Biological oceanography

Research Objectives

Expanding knowledge in the earth sciences
Expanding knowledge in the physical sciences
Mining and extraction of precious (noble) metal ores
Geological hazards (e.g. earthquakes, landslides and volcanic activity)
Assessment and management of terrestrial ecosystems
Precious (noble) metal ore exploration
Natural hazards
Effects of climate change on Antarctic and sub-Antarctic environments (excl. social impacts)
Copper ore exploration
Management of Antarctic and Southern Ocean environments
Expanding knowledge in the mathematical sciences
Mineral exploration
Marine biodiversity
Zinc ore exploration
Other mineral resources (excl. energy resources)

Career Best Publications

'Inheritance': An influence on the particle size of pyroclastic deposits; Geology (Boulder)
Convection in a volcanic conduit recorded by bubbles; Geology
Decrease in seismic velocity observed prior to the 2018 eruption of Kīlauea Volcano with ambient seismic noise interferometry; Geophysical Research Letters
Externally triggered renewed bubble nucleation in basaltic magma: The 12 October 2008 eruption at Halema'uma'u Overlook vent, Kilauea, Hawai'i, USA; Journal of Geophysical Research - Solid Earth
The largest deep-ocean silicic volcanic eruption of the past century; Science Advances
The pumice raft-forming 2012 Havre submarine eruption was effusive; Earth and Planetary Science Letters
Transition of eruptive style: pumice raft to dome-forming eruption at the Havre submarine volcano, southwest Pacific Ocean; Geology
Unusual fluidal behavior of a silicic magma during fragmentation in a deep subaqueous eruption, Havre volcano, southwestern Pacific Ocean; Geology

Research Publications

'Inheritance': An influence on the particle size of pyroclastic deposits; Geology (Boulder)
A model for syn-eruptive groundwater flow during the phreatoplinian phase of the 28-29 March 1875 Askja volcano eruption, Iceland; Journal of Volcanology and Geothermal Research
A multidisciplinary approach to the understanding of the magmatic and volcanic history of Heard Island, Kerguelen Plateau; IAVCEI Scientific Assembly: Predicting Volcanic Eruptions
Abrupt shifts between wet and dry phases of the 1875 eruption of Askja Volcano: Microscopic evidence for macroscopic dynamics; Journal of Volcanology and Geothermal Research: An International Journal on The Geophysical, Geochemical, Petrological and Economic Aspects of Geothermal and Volcanological Research
Apparently 'dry' littoral rootless cones in Hawai'i formed by sustained, 'confined' mixing of lava and sea water; Journal of Volcanology and Geothermal Research
Basaltic cryptodomes and daily records of phreatomagmatic eruption - Miocene submarine volcanism at Cape Grim, Tasmania, Australia; IAVCEI 2017 Scientific Assembly
Cape Grim, NW Tasmania - a world class example of submarine basaltic intraplate volcanism; Australian Earth Sciences Convention
Characteristics and deposit stratigraphy of submarine-erupted silicic ash, Havre Volcano, Kermadec Arc, New Zealand; Frontiers in Earth Science
Complex proximal sedimentation from Plinian plumes: the example of Tarawera 1886; Bulletin of Volcanology
Construction of an intraplate island volcano: The volcanic history of Heard Island; Bulletin of Volcanology
Construction of an intraplate island volcano: the volcanic history of Heard Island; Bulletin of Volcanology
Contrasting grain size and componentry in complex proximal deposits of the 1886 Tarawera basaltic Plinian eruption; Bulletin of Volcanology
Contrasting styles of welding observed in the proximal Askja 1875 eruption deposits I: Regional welding; Journal of Volcanology and Geothermal Research: An International Journal on The Geophysical, Geochemical, Petrological and Economic Aspects of Geothermal and Volcanological Research
Contrasting styles of welding observed in the proximal Askja 1875 eruption deposits II: Local welding; Journal of Volcanology and Geothermal Research: An International Journal on The Geophysical, Geochemical, Petrological and Economic Aspects of Geothermal and Volcanological Research
Convection in a volcanic conduit recorded by bubbles; Geology
Decrease in seismic velocity observed prior to the 2018 eruption of Kīlauea Volcano with ambient seismic noise interferometry; Geophysical Research Letters
Deep-sea eruptions boosted by induced fuel-coolant explosions; Nature Geoscience
Deep-sea fragmentation style of Havre revealed by dendrogrammatic analyses of particle morphometry; Bulletin of Volcanology
Deposition and generation of multiple widespread fall units from the c. AD 1314 Kaharoa rhyolitic eruption, Tarawera, New Zealand; Bulletin of Volcanology
Discovery of the largest historic silicic submarine eruption; Eos
Dispersal of key subplinian-Plinian tephras from Hekla volcano, Iceland: Implications for eruption source parameters; Bulletin of Volcanology
Diverse patterns of ascent, degassing, and eruption of rhyolite magma during the 1.8 ka Taupo eruption, New Zealand: Evidence from clast vesicularity; Journal of Volcanology and Geothermal Research: An International Journal on The Geophysical, Geochemical, Petrological and Economic Aspects of Geothermal and Volcanological Research
Dynamics of a powerful deep submarine eruption recorded in H₂O contents and speciation in rhyolitic glass: the 2012 Havre eruption; Earth and Planetary Science Letters
Dynamics of an open basaltic magma system: the 2008 activity of the Halema‘uma‘u Overlook vent, Kīlauea Caldera; Earth and Planetary Science Letters
Early Ordovician Volcanic Processes and Setting: Cowal Igneous Complex, NSW
Effects of thermal quenching on mechanical properties of pyroclasts; Journal of Volcanology and Geothermal Research
Eruption and fountaining dynamics of selected 1985-1986 high fountaining episodes at Kīlauea volcano, Hawai'i, from quantitative vesicle microtexture analysis; Journal of Volcanology and Geothermal Research
Eruption dynamics of the 23 February 2013 event at Mt. Etna; Journal of Volcanology and Geothermal Research
Eruption mechanisms during the climax of the Tarawera 1886 basaltic Plinian eruption inferred from microtextural characteristics of the deposits; Special Publications of IAVCEI (International Association of Volcanology and Chemistry of the Earth's Interior)
Externally triggered renewed bubble nucleation in basaltic magma: The 12 October 2008 eruption at Halema'uma'u Overlook vent, Kilauea, Hawai'i, USA; Journal of Geophysical Research - Solid Earth
Hawaiian Volcanoes: From Source to Surface; American Geophysical Union and John Wiley and Sons, Inc.
High magma decompression rates at the peak of a violent caldera-forming eruption (Lower Pumice 1 eruption, Santorini, Greece); Bulletin of Volcanology
High‑temperature oxidation of proximal basaltic pyroclasts, 1886 Tarawera, New Zealand; Bulletin of Volcanology
Intracaldera explosions and lava emissions during the 2007 caldera collapse of Piton de la Fournaise, La Réunion Island; Bulletin of Volcanology
Isotopic signatures of magmatic fluids and seawater within silicic submarine volcanic deposits; Geochimica et Cosmochimica Acta
Isotopic signatures of magmatic fluids and seawater within silicic submarine volcanic deposits; Geochimica Et Cosmochimica Acta
McDonald Islands - an example of submarine and subaerial phonolitic volcanism on the Kerguelen Plateau, the southern Indian Ocean; IAVCEI 2017 Scientific Assembly
New frontiers and technologies in submarine volcanism research
On the fate of pumice rafts formed during the 2012 Havre submarine eruption; Nature Communications
Ongoing dispersal of the 7 August 2019 pumice raft from the Tonga Arc in the Southwestern Pacific Ocean; Geophysical Research Letters
Onset of a Basaltic Explosive Eruption from Kīlauea's Summit in 2008; Hawaiian Volcanoes: From Source to Surface
Our last great unexplored frontier- the seabed
Permeability during magma expansion and compaction; Journal of Geophysical Research: Solid Earth
Petrology of Fresh Submarine Lavas from Recent Phonolitic Volcanism on the Central Kerguelen Plateau, Southern Indian Ocean; American Geophysical Union, Fall Meeting 2019
Physical constraints for effective magma-water interaction along volcanic conduits during silicic explosive eruptions; Geology
Pigeonholing pyroclasts: Insights from the 19 March 2008 explosive eruption of Kılauea volcano; Geology (Boulder)
Pushing the Volcanic Explosivity Index to its limit and beyond: Constraints from exceptionally weak explosive eruptions at Kilauea in 2008; Geology
Pyroclastic Fall Deposits; Encyclopedia of Volcanoes
Reconceptualising 'community' to identify place-based disaster management needs in Tasmania; Australian Journal of Emergency Management
Reticulite-Producing Fountains from Ring Fractures in Kīlauea Caldera ca. 1500 CE; Hawaiian Volcanoes: From Source to Surface
Rocks from the Cascade Seamount: an archive of the unzipping of Gondwana and the initiation of the ACC?; AGU Chapman Conference on Submarine Volcanism: New Approaches and Research Frontiers
Sink or float: microtextural controls on the fate of pumice deposition during the 2012 submarine Havre eruption; Bulletin of Volcanology
Stronger or longer: discriminating between Hawaiian and Strombolian eruption styles; Geology
Submarine geology and geomorphology of active Sub-Antarctic volcanoes: Heard and McDonald Islands; American Geophysical Union Fall Meeting
Submarine giant pumice: a window into the shallow conduit dynamics of a recent silicic eruption; Bulletin of Volcanology
Submarine glacial landforms and interactions with volcanism around Sub-Antarctic Heard and McDonald Islands; AGU Fall Meeting
Syn-eruptive soft-sediment deformation structures in a deep submarine caldera: Havre, 2012; Marine Geology
Tarawera 1886: an integrated review of volcanological and geochemical characteristics of a complex basaltic eruption; New Zealand Journal of Geology and Geophysics
Temporal and environmental constraints on the eruption history of Gaussberg Volcano; SCAR Open Science Conference 2020. Ice Sheet-Solid Earth Interactions: GIA, Landscape Evolution and Geothermal Heat Flux
Tephra dispersal and eruption dynamics of wet and dry phases of the 1875 eruption of Askja Volcano, Iceland; Bulletin of Volcanology
Thank you to our 2018 peer reviewers; Geophysical Research Letters
Thank You to Our 2019 Peer Reviewers; Geophysical Research Letters
The 'pulse' of a volcano can be used to help predict its next eruption
The 1800a Taupo eruption: “Ill wind” blows the ultraplinian type event down to Plinian; Geology
The eruption of submarine rhyolite lavas and domes in the deep ocean - Havre 2012, Kermadec Arc; Frontiers in Earth Science
The influence of conduit processes on changes in style of basaltic Plinian eruptions: Tarawera 1886 and Etna 122 BC; Journal of Volcanology and Geothermal Research: An International Journal on The Geophysical, Geochemical, Petrological and Economic Aspects of Geothermal and Volcanological Research
The initiation and development of a caldera-forming Plinian eruption (172 ka Lower Pumice 2 eruption, Santorini, Greece); Journal of Volcanology and Geothermal Research
The interplay among clast size, vesicularity, postfragmentation expansion, and clast breakage: An example from the 1.8 ka Taupo eruption; Field Volcanology: A Tribute to the Distinguished Career of Don Swanson
The largest deep-ocean silicic volcanic eruption of the past century; Science Advances
The pumice raft-forming 2012 Havre submarine eruption was effusive; Earth and Planetary Science Letters
Total grain-size distribution of four subplinian-Plinian tephras from Hekla volcano, Iceland: implications for sedimentation dynamics and eruption source parameters; Journal of Volcanology and Geothermal Research
Transition of eruptive style: pumice raft to dome-forming eruption at the Havre submarine volcano, southwest Pacific Ocean; Geology
Trouble in paradise: eruptions from Kīlauea Volcano place the Hawaiian island on Red Alert
Unusual fluidal behavior of a silicic magma during fragmentation in a deep subaqueous eruption, Havre volcano, southwestern Pacific Ocean; Geology
Volcanic Architecture of the Cowal Igneous Complex Junee-Narromine Volcanic Belt, Macquarie Arc, NSW
Volcanic Facies Architecture of the Cowal Igneous Complex, NSW
Volcanic Facies Architecture of the Cowal Igneous Complex, NSW (before later intrusions and deformation)
Volcaniclastic dispersal during submarine lava effusion: the 2012 eruption of Havre Volcano, Kermadec Arc, New Zealand; Frontiers in Earth Science
Volcanism on Heard Island, the southern Indian Ocean; Scientific Committee on Antarctic Research: Biennial meetings and open science conference 2016

Research Projects

2012: Hawaiian Volcanoes: From Source to Surface, USA; University of Tasmania (UTAS)
Chasing the Kerguelen Mantle Plume tail: investigating the Miocene to Holocene record of volcanism present in ODP Leg 183, Site 1138a cores; Australian and New Zealand Integrated Ocean Drilling Program Consortium (ANZIC)
Digging into the biggest explosive submarine eruption ever 'seen' to understand seafloor volcanism; The Royal Society of New Zealand (RSNZ)
East Tasman Plateau - Key to unravelling the onset of the Antarctic Circumpolar Current; CSIRO-Commonwealth Scientific & Industrial Research Organisation (CSIRO)
East Tasman Plateau - key to unravelling the onset of the Antarctic Circumpolar Current ; Australian and New Zealand Integrated Ocean Drilling Program Consortium (ANZIC)
Eruption styles and periodicity of the silicic Sumisu caldera, Izu-Bonin-Mariana arc; Australian and New Zealand Integrated Ocean Drilling Program Consortium (ANZIC)
Exploration targeting from next-generation volcanic facies reconstruction; Australian Research Council (ARC)
How Earth's deep interior communicates with the surface; Australian Research Council (ARC)
Life after death: understanding the recovery dynamics of seabed disturbances; CSIRO-Commonwealth Scientific & Industrial Research Organisation (CSIRO)
Seamounts in the Tasman Sea and Southwest Pacific: Deep seated Balleny plume vs. Pacific Superswell; Department of Environment and Energy (Cwth) (DoEE)
Sedimentation at its extreme: how powerful are submarine caldera-forming eruptions (Kermadec arc)?; CSIRO-Commonwealth Scientific & Industrial Research Organisation (CSIRO)
Strombolian and Hawaiian volcanism: sub-second parameterization of the eruptive dynamics of explosions at Kilauea and Stromboli ; National Science Foundation (NSF)
Submarine volcanism and hydrothermalism around Heard and McDonald Islands; Department of Environment and Energy (Cwth) (DoEE)
Submarine volcanoes in the Izu-Bonin Arc: degassing of magma and implications for eruption processes; Japanese Society for the Promotion of Science (JSPS)
Submarine volcanoes: Degassing of silicic magma with implications for ascent and eruption processes; Australian Research Council (ARC)
The Balleny mantle plume: key role in Tasmania-Antarctic breakup?; CSIRO-Commonwealth Scientific & Industrial Research Organisation (CSIRO)
The geological evolution of Heard Island, Australian Antarctic Territory; Department of Environment and Energy (Cwth) (DoEE)
The re-awakening of a mantle plume - the nature and petrogenesis of Neogene volcanism on the Central Kerguelen Plateau; Department of Environment and Energy (Cwth) (DoEE)
The role of hydrostatic pressure in modulating submarine silicic eruptions; Australian Research Council (ARC)
Three dimensional investigation of volcanic products of the 1886 eruption of Tarawera by Micro-computed Tomography; Australian Nuclear Science & Technology Organisation (ANSTO)
Volcanic architecture and eruption behaviour at Site U1437 Izu-Bonin-Mariana rear-arc, IODP 350; Australian and New Zealand Integrated Ocean Drilling Program Consortium (ANZIC)
4D geological modelling of the Cowal district, NSW
Collaborative Research: Elucidating conduit, eruption and plume transport dynamics of large silicic submarine eruptions.
Collaborative Research: Hawaiian and Subplinian basaltic volcanism: constraints on eruption dynamics from Kilauea
Collaborative Research: Strombolian and Hawaiian explosions: New insights from synchronizing videos and exsolved volatiles
Relationships between eruption rate, tephra dispersal and total grain size at Hekla and Askja volcanoes, Iceland: Enhancing the source term for tephra modelling.
Silicic Explosive Volcanism: Understanding the conditions of steady and unsteady eruptive behaviour in silicic magmas – the Kaharoa 1314 eruption
Understanding of basaltic eruption dynamics and mechanisms: Effusive and explosive eruptions in Hawaii

Research Candidate Supervision

Processes and Products of Sub-Glacial Volcanism
The 2007 Explosive Activity at Piton de la Fournaise Volcano (Reunion)- Constraints on the Eruptive Processes by the Volcanological Study of the Erupted Deposits
Understanding of Basaltic Eruption Dynamics and Mechanisms- Effusive and Explosive Eruptions in Hawaii