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Member Since 2006
Tim R. Orr
Research Geologist, U.S. Geological Survey Alaska Volcano Observatory
Professional Experience
U.S. Geological Survey Alaska Volcano Observatory
Research Geologist
2002 - Present
Education
University of Hawaii at Manoa
Doctorate
Current Roles
Member
Eunice Foote Medal Committee
Publications
The Birth of a Hawaiian Fissure Eruption
Most basaltic explosive eruptions intensify abruptly, allowing little time to document processes at the start of eruption. One opportunity came wit...
January 11, 2021
3-D high-speed imaging of volcanic bomb trajectory in basalt...
October 20, 2016
AGU Abstracts
Does the Lost Jim Lava Flow (Alaska) Really Preserve Evidence of Interaction with Permafrost?
DISTRIBUTED VOLCANIC FIELDS: SCIENCE, HISTORIES, AND HAZARDS POSTER
volcanology, geochemistry and petrology | 13 december 2023
Tim R. Orr, Jessica F. Larsen, Erika Rader, Willia...
The basaltic Lost Jim lava flow is the youngest member of the Imuruk Lake distributed volcanic field. The eruption of the well-preserved, inflated pho...
View Abstract
The 1907 “Mystery” Ashfall on the Seward Peninsula, Alaska
POSTER SESSION C
general program | 21 september 2022
Tim R. Orr, Hans F. Schwaiger
During November 24–28, 1907, volcanic ash fell across the Seward Peninsula of western Alaska—an area 10s of thousands of square kilometers in size—but...
View Abstract
The First 100 Minutes in the Life of an Hawaiian Fissure: Segment 8 on Kīlauea’s Lower East Rift Zone
FALL MEETING 2018
13 december 2018
Bruce F. Houghton, Tim R. Orr, Caroline M. Tisdale...
View Abstract
Volunteer Experience
2024 - 2025
Member
Eunice Foote Medal Committee
2023 - 2023
Member
Eunice Foote Medal Committee
Check out all of Tim R. Orr’s AGU Research!
View All Research Now