Member Since 1993
Julia E. Hammer
Professor, University of Hawaii at Manoa
BA Dartmouth College 1993; PhD University of Oregon 1998; Researcher Brown University 1999-2002; Assistant Professor, Dept. Earth Sciences, University of Hawaii at Manoa 2002 - 2006; Associate Professor, 2006 - 2013; Professor since 2013;
Professional Experience
University of Hawaii at Manoa
Professor
2002 - Present
Education
University of Oregon
Doctorate
1998
Dartmouth College
Bachelors
1993
Current Roles
Member
Volcanology, Geochemistry, and Petrology Norman L. Bowen Award Committee
Publications
Evaluating the Role of Titanomagnetite in Bubble Nucleation: Novel Applications of Low Temperature M...

Nucleation of H2O vapor bubbles in magma requires surpassing a chemical supersaturation threshold via decompression. The threshold is minimized in ...

April 22, 2024
AGU Abstracts
Sessile drop experiments involving rhyolite liquid and mineral pairs performed to evaluate interfacial energies and better understand bubble nucleation
A JACK OF SMALL TRADES: ZOOMING IN ON THE NANO- AND MICROSCALE TO BETTER UNDERSTAND MAGMATIC PROCESSES II POSTER
volcanology, geochemistry and petrology | 13 december 2023
Kelly McCartney, Julia E. Hammer, Thomas Shea
Bubble nucleation in magma occurs either heterogeneously (formation on a mineral substrate) or homogeneously (formation without a mineral substrate). ...
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Mafic and Crystal-Rich Inclusions in Evolved Lavas from the LERZ 2018 Eruption at Kīlauea Volcano
THE MAGMATIC PLUMBING SYSTEMS OF OCEANIC ISLANDS II POSTER
volcanology, geochemistry and petrology | 15 december 2021
Rose I. Gallo, Joseph Boro, Thomas Shea, Cheryl A....
The 2018 Lower East Rift Zone eruption of Kīlauea volcano included an unusual evolved eruptive phase from Fissure 17 (F17), a fissure segment offset f...
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Correlation of Calculated Cooling Rates with Textural Variations of the Fissure 8 Flow Field, Kīlauea 2018: A method for determination of primary and secondary textures
THE STORAGE, TRANSPORT, AND ERUPTION OF MAGMA USING FIELD OBSERVATIONS, LABORATORY APPROACHES, AND MODELING IV POSTER
volcanology, geochemistry and petrology | 15 december 2021
Brenna A. Halverson, Alan G. Whittington, Stuart M...
Textures of cooled lava depend upon the cooling rate, displaying either primary textures of flowing lava or secondary textures overprinting the primar...
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Volunteer Experience
2024 - 2027
Member
Volcanology, Geochemistry, and Petrology Norman L. Bowen Award Committee
2013 - 2014
Fall Meeting Program Representative
Volcanology, Geochemistry, and Petrology Executive Committee
2012 - 2013
Member
Fall Meeting Program Committee
Check out all of Julia E. Hammer’s AGU Research!
View All Research Now