University of Alaska Fairbanks
903 Koyukuk Dr.
Fairbanks, Alaska 99775-7320
topography for Venus. All of the left-left Magellan images processed to
generate topography with 1-2 km spatial resolution.
Database of Venus
impact craters, including images and information.
of craters on Mercury (generated from flyby images only, needs to be
Web interview in 2012
with Emily Lakdawalla from the Planetary Society
about Venus and potential future exploration plans.
Tool (SMT) is an interactive, IDL-based program which provides basic
functions for displaying stereo image pairs and measuring the parallax
between features on those images.
A Venus slide
set is available that I produced with Maribeth
Price (now available digitally). The full resolution images are available at
planetarium program available to visit your school/community in Alaska.
Primary Research Interests
of interior processes to surface geology
Most of my work in this area has focused on the planet Venus. I like to
combine imagery, topography, and geoid data to try
and understand the big picture of how interior processes shape the surface
now and over time. Past projects in this topic area have included examining
the global relationships on Venus between the patterns of the geoid, rift systems, large shield volcanoes, coronae, and
tesserae; exploring the "life cycle" of
large shield volcanoes on Venus; and examining the global pattern of impact
craters on Venus and how they are resurfaced by subsequent volcanism.
Impact craters occur throughout the solar system; for most solid bodies cratering is the dominant geologic process. Many aspects
of the mechanics of the cratering process are poorly
understood, in part because a large impact on a solid body has never been
observed. One of my research areas is to compare and contrast impact craters
on the various planets and moons, essentially using them to study the effects
of different surface gravities, target properties, and the presence or
absence of an atmosphere. I also have an interest in impact structures on
Earth. These structures provide unique insights about the cratering
process that cannot be gained by observing planetary craters from orbit. I
enjoy opportunities to see these structures in person and on a few occasions
have conducted geologic and geophysical field studies of them.
Ph.D. Geophysics, Southern Methodist University, 1993
M.S. Geophysics, University of Houston, 1988
B.S. Geophysics, Texas A & M, 1985
B.S. Physics, Texas A & M, 1985
July, 2004 - present: Research Professor, Geophysical Institute, University
of Alaska Fairbanks
1993 - 2004: Staff Scientist at the Lunar and Planetary Institute (LPI),
1989 - 1992: Teaching and research assistant at SMU, Dallas
1985 - 1988: Senior Geophysicist at Exxon, Houston
Geophysical Institute, UAF
Geology & Geophysics Department,
Remote Sensing in
GI Remote Sensing
for current vita
Intermediate-size volcano on Venus
Image produced from Magellan data
R., and B. M. Hynek, Investigating target versus impactor influences on Martian crater morphology at the
simple-complex transition, Meteoritics and
Planetary Science, 52, 1722-1743, 2017.
R. R., D. L. Stahlke, and V. L. Sharpton,
Fine-scale Venusian topography from Magellan stereo
data, EOS, 93, 125-126, 2012.
Herrick, R. R., and M. E. Rumpf, Postimpact modification by volcanic or tectonic processes
as the rule, not the exception, for Venusian
craters, J. Geophys. Res 116,
E02004, doi:10.1029/2010JE003722, 2011.
Herrick, R. R., and K. K. Hessen, The planforms of
low-angle impact craters in the northern hemisphere of Mars
, Meteoritics and Planetary
Science, 41, 1483-1495, 2006.
Herrick, R. R., J. Dufek, and P.
J. McGovern, Evolution of large shield volcanoes on Venus, J. Geophys. Res., 110 , E01002,
Click here for complete list
strongly feel that every scientist should spend some effort communicating
their work to the general public and working to improve general science
literacy (the citizenry does pay our salaries, after all). I personally find
outreach to be a challenging and rewarding task. Over the years I was very
involved in the planning and development of LPI's outreach program, and I was
manager of the E/PO department for a year. I have guest-lectured about the
planets to a wide variety of groups and age ranges, and sometimes the
youngest people ask the most insightful questions.
I currently oversee UAF?s contribution to a major outreach
effort led by Goddard Space Flight Center called the Space Science Education
Consortium. One of our primary contributions
is to set up live broadcasting of the launches at Poker Flat Research Range
(details at their Facebook page).
I also developed an ongoing program to take a digital portable
planetarium around the state to share astronomy and planetary science with
rural Alaskan communities. Details of the program are available here.
I teach a course at UAF. Materials from a graduate course on planetary
remote sensing are here, and
materials from an undergraduate course on the solar system are here.
have also taught courses on the solar system as adjunct faculty at University
of Houston - Clear Lake, Universidad Nacional Autonoma de Mexico (UNAM), and Rice. Materials from
the sophomore-level course on the solar system that I taught at Rice can be
the course of my research I developed some software for viewing stereo pairs
and selecting match points. The software works with IDL and is
I married my wife Keiko, in 2009, and we had a son, Griffin Bronco, in 2013.
to Fairbanks bike ride
To make the move from Houston to Alaska a little more interesting I decided
to ride up by bicycle. The trip took 79 days. I took a laptop
with me and posted a journal on the web while I was riding up. If you'd
like to check that out, go here.
Sports are my primary hobby. I was a swimmer in high school and swam at
Masters (old people) meets for several years. Swimming is the only
sport I'm really good at, but I'll play almost anything and get into a new
sport every few years or so. Over the years I have participated
competitively at some level in triathlons (I've done one Ironman), running
(three marathons), cycling, swimming, softball, tennis, volleyball, soccer,
sculling, kayaking, bowling, and racquetball. I also like hiking,
alpine and nordic skiing, snowboarding, and
anything that can be done in or on the water. Some pictures from some
of the stuff I have done in Alaska can be found here.
last updated 23 January 2018 (but some parts are still out of date)