Skip to content

Our volcanic past

Explore past eruptions

Our volcanic past
Our geology
Understanding our geological history
Volcanic landforms and eruption deposits
How distributed volcanic fields work
Frequency of eruptions
Human geography
Hochstetter’s map
Our volcanic present

Understand today’s volcanic field

Our volcanic present
Potential impact on people, buildings, economy and the environment
Who we’re working with
Our volcanic future

How we prepare

Our volcanic future
Our volcanic hazards
Scenarios and forecasting
Planning for the future
Explore the Auckland Volcanic Field

Explore the map
All Regions

Rangitoto

Motukorea / Browns Island

Takapuna area

Te Hau Kapua / Devonport

Auckland Central Volcanoes

Mt Roskill area

Panmure area

St Heliers area

East Tāmaki

Papatoetoe area

Māngere area

Wiri area
Resources
About DEVORA - our history, leadership, people, partners and funders.
Get to know us

About DEVORA
Our people
Our history
News & Events

Our volcanic past
Our geology
- Understanding our geological history
- Volcanic landforms and eruption deposits
How distributed volcanic fields work
Frequency of eruptions
Human geography
- Hochstetter’s map

Our volcanic present
Potential impact on people, buildings, economy and the environment
Who we’re working with

Our volcanic future
Our volcanic hazards
Scenarios and forecasting
Planning for the future

Explore the map

Rangitoto
Motukorea / Browns Island
Takapuna area
Te Hau Kapua / Devonport
Auckland Central Volcanoes
Mt Roskill area
Panmure area
St Heliers area
East Tāmaki
Papatoetoe area
Māngere area
Wiri area

About DEVORA
Our people
Our history

Tagged

Chemical composition

18 items

Journal article

2025

Thermal remanence of the ∼0.6 kya Rangitoto volcano eruption, Auckland volcanic field (New Zealand) inferred from self-potential and CO₂ flux measurements
Journal article

2024

Physical, Chemical, and Compaction Characteristics of Slightly Weathered Tephras of New Zealand
Journal article

2021

TephraNZ: a major and trace element reference dataset for prominent Quaternary rhyolitic tephras in New Zealand and implications for correlation
Media release

2 March 2020

Matching volcanic ash to its source
Media release

2 March 2020

Multiple melting points suggest erratic eruptions worldwide
News

30 January 2020

Assuming the mantle of eruption scale analyst
Journal article

2016

Interpreting chemical compositions of small scale basaltic systems: A review
Journal article

2015

Mantle heterogeneity controls on small-volume basaltic volcanism
Journal article

2015

Reply to Brenna and Cronin (2015), Mantle heterogeneity controls on small-volume basaltic volcanism: REPLY
Commentary

2015

Comment on McGee et al. (2015), Mantle heterogeneity controls on small-volume basaltic volcanism: COMMENT

1 2

→

Led by

Funded by

Keep reading

Explore Our Volcanoes
Research
About
Contact

Follow us

DEVORA on Instagram
DEVORA on Facebook
DEVORA on LinkedIn

© DEVORA 2026. All rights reserved.

Privacy
Open Access Statement
Copyright & Disclaimer

Website by Weave