Department of Geology College of Arts and Sciences Environment and Energy Research Group
Volcanology Faculty

Name Dr. Tracy K. P. Gregg
Associate Professor

419 Hochstetter Hall
email website

PhD, Geology, Arizona State University - 1995
Specialties and Interests: Volcanology, mid-ocean ridge eruptions, basaltic lava flows, volcanoes on Mars and Venus

Course Offerings

GLY 103 The Earth
GLY 104 Earth History
GLY 431/531 Volcanology
GLY 454/554 Topics in Planetary Geosciences
GLY 419/519 Magmatic Plumbing
GLY 499 - Independent Study
GLY 599 - Supervised Teaching
GLY 633 - Graduate Research
GLY 700 - Thesis Guidance

Research Interests

Lava flows anywhere in the Solar System, including the East Pacific Rise, Juan de Fuca Ridge, Hawaii, Iceland, Mars, Io and Venus.

Current Students

Carolyn Roberts - MS - research topic
Andrew Rankin - MS - research topic
Diana Miller - MS - research topic

Former Students

Daniel Krysak - MS - 'Thesis title"
Kenneth Cristle - MS - 'thesis title
Trevelyn Lough - MS - 'thesis title" - currently working as a _____ with _____
Kelley Shockey - MS - 'thesis title" - currently working as a _____ with _____

Recent Publications

Environmental Effects on Volcanic Eruptions: From Deep Oceans to Deep Space, J.R. Zimbelman and T.K.P. Gregg, eds., Kluwer Academic/Plenum Publishing, New York, pp. 260, 2000.
Volcanic Worlds: Volcanism in the Solar System, R. Lopes and T.K.P. Gregg, eds., Praxis Press, New York, 2004.

Gregg, T.K.P. and L.P. Keszthelyi, The emplacement of pahoehoe toes: Field observations and comparison to laboratory simulations, Bull. Volcanol. 66:381-391, 2004.

Gregg, T.K.P and D.K. Smith, Volcanic investigations of the Puna Ridge, Hawai'i: Relations of lava flow morphologies and underlying slopes, J. Volcanol. Geotherm. Res. 126:63-77, 2003.

Warner, N.H. and T.K.P. Gregg, Evolved Lavas on Mars? Observations from Southwest Arsia Mons and Sabancaya Volcano, Peru, J. Geophys. Res., 10.129/2002JE001969.2002.

Parfitt, E.A., T.K.P. Gregg and D.K. Smith, A comparison between subaerial and submarine eruptions at Kilauea Volcano, Hawaii: Implications for the thermal viability of lateral feeder dikes, J. Volcanol. Geotherm. Res. 113:213-242, 2002.

Sinton, J., E. Bergmanis, K. Rubin, R. Batiza, T.K.P. Gregg, K. Gronvold, K.C. Macdonald and S.M. White, Volcanic eruptions on mid-ocean ridges: New evidence from the superfast spreading East Pacific Rise, 17°-19°S, J. Geophys. Res. 197:10.1029/2000JB000090.2000.

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