Each Judging Category has a 1st and 2nd place winner, with the following prizes:

1st 2nd
Undergraduate $600 $300
Early-Career Graduate* $800 $400
Late-Career Masters $1000 $500
Late-Career PhD $1000 $500
Best-Represented Research Group** $300 $200
Best Figure (new for 2021) $300 $200
High School (new for 2021) $300 $200

*Early-Career Graduate must be must be first year Master’s or pre-candidacy for PhD

**Research groups with at least 5 graduate students and 100% participation will be considered. Winning groups are selected among qualifying groups, based on collective presentation quality.


Congratulations to the 2021 winners!

High School Best Poster Award: First Place: Miguel Liu-SchiaffiniAutomated Identification of Ice Sheet Surface and Bed Interfaces Using Deep Learning

Second Place (Tie): Lochana Kalyanaraman –  Analyzing Earth’s Processes for Space Exploration: Carrying our Knowledge of Life Beyond Earth

Second Place (Tie): Enrique Morales –  Planet Terra

Undergraduate Best Poster Award: First Place: Carole LakroutLife Mediated Mineral Deposits in Caves

Second Place: Reem Alomar Estimating the triangular smoothing radius using the Gauss-Newton method

Honorable Mention: Katherine Faulkner Categorizing Variations of Phanerozoic Foraminifera Mineralogy

Early-Career Graduate Best Poster Award: First Place: Michelle TeboltInvestigating the depositional environment of sedimentary fan features on Mars using orbital stratigraphy

Second Place: Emily BamberHow did Mars’ crater paleolakes form? Insights from Geomorphology

Honorable Mention: Ethan ConradCenozoic Evolution of the Northern Caribbean Plate Boundary: Insights from Thermochronometric, Kinematic and Geomorphic Data

Late-Career M.S. Best Poster Award: First Place: Leland SpanglerTiming and Controls on late Paleozoic Tectonism and Synorogenic Sedimentation, Bursum Formation, Sacramento Mountains, NM

Second Place: Joseph SyzdekMechanical Stratigraphic Control on Deformation in a Fault-Propagation Fold, Gobbler Anticline, Sacramento Mountains, New Mexico

Honorable Mention: Bethany Rysak Analysis of Hydraulic Fracture Growth and Segmentation: Implications of Observations From the HFTS1 Slant Core, Wolfcamp Fm., Midland Basin, West Texas

Late-Career PhD Best Poster Award: First Place: Paul MorrisSinuous Deep-Water Channel Systems: Curvature Driven Evolution Drives Autogenic Aggradation Processes – Example from Eastern Gulf of Mexico

Second Place: Kwun Yip Fung Testing different dataset and machine learning methods accuracy in producing the Austin Local Climate Zone map

Honorable Mention: Grace BeaudoinThe evolution of the halogen budget in ophiolites from the Western Alps

Best represented Research Group Award:

First Place: Timothy Goudge

Second Place: Daniel Stockli

Figure Competition: First Place: Eirini PoulakiThin sections from S. Spain-Oil painting on Canvas

Second Place: Rawan Alasad Flow transformations in subaerial and subaqueous debris flows

Third Place (Tie): Brandon ShuckSubduction initiation is a four dimensional process

Third Place (Tie): Cole SpeedA river through time

Third Place (Tie): Emily Bamber – Mechanisms of forming fluvial valleys into craters on Mars

Third Place (Tie): Ethan ConradHypothesis for the Cenozoic evolution of the Northern Caribbean plate boundary

Third Place (Tie): Grace BeaudoinHalogen geochemical cycling

Third Place (Tie): Samuel Robbins – Red Sea rift model

Past winners:


Undergraduate Best Poster Award: First Place: Carole LakroutBiotic Influence on Speleothem Morphology

Second Place: Ryan  Herring –  Deducing the Timing and Magnitude of Late Quaternary Mississippi River Deltaic Progradation and Retrogradation Coeval with the Waning Phase of the Last Glacio-eustatic Cycle by Modelling Volumetric Flooding Rate and Sediment Discharge Since the Cessation of the Late Wisconsin Glacial Stage

Honorable Mention: Anthony Edgington – Stratigraphic Architecture and Provenance of the Cretaceous Cerro Barcino Formation, Patagonian Broken Foreland Basin, Southern Argentina

Early-Career Graduate Best Poster Award: First Place: Michelle TeboltThe Geometry of Fan Features on Mars

Second Place: Cole SpeedLinking Geomorphology and Stratigraphy at an Ancient Fluvial Avulsion Node: An example from the Cretaceous Cedar Mountain Formation, Eastern Utah, USA

Honorable Mention: Ethan ConradPlexiglass melt during rotary-shear experiments as an analog of pseudotachylite formation

Late-Career M.S. Best Poster Award: First Place: Esben Pedersen –  Recovery After Ocean Anoxic Events: A Closer Look at the Carbonate Factory Response Preserved in The Pearsall Formation in Central Texas Following OAE 1A

Second Place: Micaela Pedrazas Hinojos –  Ice-free beaches and lagoon sediment in the Arctic coast

Honorable Mention: Samuel RobbinsConstraining the tectono-thermal evolution of the Egyptian Red Sea margin: linking observations from the proximal to the hyperextended rift domain

Late-Career PhD Best Poster Award: First Place: Chelsea Mackaman-LoflandKinematic development and structural architecture of the southern Central Andean fold-thrust belt(31-33°S): implications for Andean deformation modes and driving mechanisms

Second Place: Brandon Shuck –  Strike-Slip Enables Subduction Initiation Beneath a Failed Rift: New Seismic Constraints from Puysegur Margin, New Zealand

Honorable Mention: Sophie GoliberCharacterizing buoyant conditions of marine-terminating glaciers in West Greenland

Best represented Research Group Award:

First Place: David Mohrig

Second Place: Daniella Rempe


Undergraduate Best Poster Award: First Place: Arisa RuangsirikulchaiEvolution of Return-Flow Channels Cut Into San Jose Island, Texas, Caused by Hurricane Harvey

Second Place: Brooke Kopecky Reconstructing Paleo-ENSO Variability During the Holocene Using Geochemical Proxies from Corals

Honorable Mention: Matthew NixControls on the Sedimentation and Morphology of an Oxbow Lake Along the Trinity River, Texas, USA

Early-Career Graduate Best Poster Award: First Place: Andrew GaseCrustal Structure of the Northern Hikurangi Margin from Marine Seismic Reflection Imaging and Onshore-Offshore Seismic Tomography: Implications for Megathrust Heterogeneity and Overpressure in a Region of Shallow Slow

Second Place: Scott Eckley – Isotopically Light Carbon 13C-31 to -24 ‰) in the Mantle by at Least 3.2 Ga: Insights from Carbonado Diamond

Honorable Mention: Natalie WolfenbargerCan Radar Attenuation Serve as a Signal of Ice Shell Salinity on Europa?

Late-Career M.S. Best Poster Award: First Place: Skyler DongPore-Scale Methane Hydrate Formation Under Pressure and Temperature Conditions of Natural Reservoirs

Second Place: Gabriel GiacomonePaleogeographic Reconstruction and Characteristic Trends of a Basin Floor Fan in Los Molles Fm, Neuquén Basin, Argentina

Honorable Mention: Fernando Apango – Top Seal Evaluation of Miocene Deep-Water Reservoirs, Southern Gulf of Mexico

Late-Career PhD Best Poster Award: First Place: Ken IkedaNumerical and Laboratory Study of Low-Frequency Elastic Properties of Limestone

Second Place: Tomas CapaldiCordillera Evolution Along the Southern Central Andean Margin Recorded by Detrital Zircon U-Pb and Hf Isotopes

Honorable Mention: Brandon ShuckFrom Rifting to Subduction: Evidence for the Role of Past Tectonics Influencing Subduction Initiation at the Puysegur Trench, New Zealand

Best represented Research Group Award:

First Place: David Mohrig

Second Place: Harm Van Avendonk 


Undergraduate Best Poster Award: First Place: Sebastian MunozHeat Transport in the Streambed of a Large Regulated River

Second Place: Elizabeth DavisPyroclastic Flows from Mount St. Helens: The Effects of Topography on Flow Behavior and Deposition on the Leeward Slope

Honorable Mention: Jordan Oefinger – Evidence of Possible Ocean Acidification at the Paleocene-Early Eocene Boundary Recorded in the Adriatic Carbonate Platform

Early-Career Graduate Best Poster Award: First Place: Brandon ShuckConstraints on Mantle Dynamics during Jurassic Rifting in the ENAM Area from Seismic and Petrological Modeling of the Oldest Oceanic Crust

Second Place: Carolyn Tewksbury-ChristRheological Properties and Heterogeneities Along the Down-Dip Extent of a Subduction Megathrust: Insights from the Condrey Mountain Schist, Northern California

Honorable Mention: Kelly OlsenDevelopment of a shallow decollement along the south-central Chile margin from 2D seismic reflection data

Late-Career M.S. Best Poster Award: First Place: Evelin Gutiérrez –  Provenance and geochronological insights into late Cretaceous-Paleogene foreland basin development in the Subandean zone and Oriente basin of Ecuador

Second Place: Sean BaderMissing well log data interpolation and semiautomatic seismic well ties using data matching techniques

Honorable Mention: Scott Eckley3D Textural and Geochemical Analyses on Carbonado Diamond: Insights from Pores and the Minerals within Them

Late-Career PhD Best Poster Award: First place: Alissa Kotowski–Length scales and types of heterogeneities along the deep subduction interface: Insights from an exhumed subduction complex on Syros Island, Greece

Second Place: Sarah GeorgeTesting Models of Orogenic Development in Ecuador: Multi-proxy Provenance Analysis of the Hinterland Cuenca Basin

Honorable Mention: Rachel Bernard – Plagioclase-dominated Seismic Anisotropy in the Eastern Mojave Lower Crust

Best represented Research Group Award: 1st Place: Whitney Behr
2nd Place: Brian Horton


Undergraduate Best Poster Award: 1st place:  Emilie Bowman –  Investigating Magma Chamber Evolution using Mafic Enclaves and Plagioclase Zoning: Grasberg Igneous Complex, Papua, Indonesia
2nd place:  Cole Speed –  Late Quaternary Paleochannel Systems of the East Texas Inner Continental ShelfHonorable Mention:  Cody Draper –  Trace Elements and Oxygen Isotope Zoning of the Sidewinder Skarn
Early-Career Graduate Best Poster Award: 1st place:  Allison Lawman A Coral-based Reconstruction of Interannual Climate Variability at Vanuatu during the Medieval Climate Anomaly (950-1250 CE)
2nd place:  Kelly ThomsonTracing Environmental Signals from Source to Sink: Zircon (U-Th)/(He-Pb) Double Dating Applied to the Foreland Basins of the South Central Pyrenees, SpainHonorable Mention:  Brandon Shuck –  Evolution of the Upper Lithosphere in the ENAM Area from 3-D Wide-Angle Seismic Data
Late-Career M.S. Best Poster Award: 1st place:  Nicholas Ettinger A Multiproxy record of the Toarcian Oceanic Anoxic Event in Shallow-Water Carbonates from the Adriatic Carbonate Platform
2nd place: Reinaldo Sabbagh Maciel Sensitivity analysis of Lower Miocene sandstones to CO2 saturation in the inner continental shelf of the Texas Gulf of MexicoHonorable Mention:  Juan MunozHolocene Geologic Slip Rate for the Mission Creek Strand of the southern San Andreas fault, Indio Hills, CA
Late-Career PhD Best Poster Award: 1st place:  Douglas Barber – Linkages between orogenic plateau build-up, fold-thrust shortening, and foreland basin evolution in the Cenozoic Zagros (Iran-Iraq)
2nd place:  Tomas Capaldi – Neogene foreland basin evolution during a shift to flat-slab subduction in Argentina (30.5°S)Honorable Mention:  Margaret Odlum –   Detrital zircon (U-Th)/(He-Pb) double dating of Southern Pyrenees foreland basin fill: implications for sediment routing during tectonic inversion and orogenesis
Best represented Research Group Award: 1st Place: Whitney Behr
2nd Place: Sergey Fomel


Undergraduate Best Poster Award: 1st Place: Susannah Morey – The Evolution of the Surveyor Fan and Channel System, Gulf of Alaska Based on Core-Log-Seismic Integration at IODP Site U1417
2nd Place: Natalie Raia – Petrogenesis of Cycladic Serpentinites: Understanding the Tectonic History Preserved in Metamorphic Rocks in Syros, Greece
Early-Career Graduate Best Poster Award: 1st Place: Sarah George – Basin evolution in northern Peru: Implications for the growth of topographic barriers linking the Central and Northern Andes
2nd Place: Tomas Capaldi – U-Pb geochronology of modern river sands from wedge-top foreland depo-centers; when sinks becomes the source
Late-Career M.S. Best Poster Award: 1st Place: Kelly Regimbal – Optimizing CMP Stacking Using the Seislet Transform
2nd Place: Matt Ledvina – Investigating the Pathways and P-T-X Conditions of Hydrothermal Fluid Flow Responsible for Cu-Au Mineralization in the Ertsberg East Skarn System, Papua, Indonesia
Late-Career PhD Best Poster Award: 1st Place: Mason Fried – Mass Loss Down Under: Distributed Subglacial Discharge Drives Significant Submarine Melt at a Tidewater Glacier
2nd Place: Romy Hanna – 3D measurement of fine-grained rims in CM Murchison using XCT
Best represented Research Group Award:
1st Place: Whitney Behr

2nd Place: Sergey Fomel


Undergraduate Best Poster Award: 1st Place: Emilie Gentry – Pseudotachylites in the footwall of the Whipple detachment: implications of seismicity along low angle normal faults
2nd Place: Andrew McPeak – Seamount Arrival into the Franciscan Subduction Complex at 100 2 Ma: Marin Headlands, San Francisco Bay, CA
Honorable Mention: Laura Dafov
Early-Career Graduate Best Poster Award: 1st Place: Pamela Speciale – Evaluating the consistency of experimental paleopiezometers using naturally deformed rocks
2nd Place: Tim Prather – A Combined Stratigraphic, Architectural, and Ichnologic Analysis of the Loyd Sandstone (Late Cretaceous) Near Rangely, Colorado
Honorable Mention: Eric Peterson
Late-Career M.S. Best Poster Award: 1st Place: Woong Mo Koo – Architecture and Evolution of Submarine Fans Coupling With High Sediment-Supply Shelf-Margins: Maastrichtian Washakie Basin, Wyoming
2nd Place: Aleksandr Montelli – Late Quaternary history of Bering Glacier dynamics and sedimentation
Honorable Mention: Reed Roush
Late-Career PhD Best Poster Award: 1st Place: Stephanie Wafforn – Ertsberg-Grasberg Mining District, Papua, Indonesia: Insights from Zircon U/Pb and Trace Element Analysis
2nd Place: Rattanaporn Fong-Ngern – Clinoform Growth in a Miocene, Para-Tethyan Deep Lake Basin: Thin Topsets, Irregular Foresets, and Thick Bottomsets
Honorable Mention: Nick Perez
Best represented Research Group Award:
1st Place: Sergey Fomel

2nd Place: Jack Holt


Undergraduate Best Poster Award: 1st Place: Audrey Eljuri – The efficiency of storm water management structures, rain gardens and vegetated retention ponds, in reducing urban runoff and contaminants in downtown Austin, Texas

2nd Place: Julie Zurbuchen – Imaging Evidence for Hubbard Glacier Advances and Retreats since the Last Glacial Maximum in Disenchantment and Yakutat Bays, Alaska

Early-Career Graduate Best Poster Award: 1st Place: Joshua (Bud) Davis – A New Tectonic Model for the Breakup of India and East Antarctica
2nd Place: Jacob Jordan – Reactive melt transport in binary solid solution
Late-Career M.S. Best Poster Award: 1st Place: Felicia Kulp – Examination of Gentoo Penguin (Pygoscelis papua) Feather Microstructure

2nd Place: Michael Cronin – Core-scale heterogeneity and dual-permeability pore structure in the Barnett Shale

Late-Career PhD Best Poster Award: 1st Place: Marie G. Cavitte – Constraints on transient fast flow at South Pole in the last glacial cycle

2nd Place: Rattanaporn Fong-Ngern – Peculiar deepwater slope morphology in the semi-enclosed Mio-Pliocene Dacian Basin, Romania

Best represented Research Group Award:
1st Place: Bayani Cadenas

2nd Place: Danny Stockli


Undergraduate Best Poster Award: 1st Place: Aaron Hantsche – Rare Earth Element Analysis of Anhydrite Veins and Source Magmas from the Ertsberg Mining District, Papua, Indonesia
2nd Place: Marissa Vara – Investigating ENSO Variability in the mid-Holocene using a Fossil Coral from the South Pacific
Early-Career Graduate Best Poster Award: 1st Place: Lauren Becker – Analysis of fracture-related seismic attenuation and scattering: insights gained through numerical modeling

2nd Place: Jake Jordan – Shock and Rarefaction Waves in a Heterogeneous Partial Melt

Late-Career M.S. Best Poster Award: 1st Place: Jessica Kopp – The Effects of Varying Tectonic Subsidence in a Fluvio-Deltaic System

2nd Place: Kerstan Wallace – Use of 3-Dimensional Dynamic Modeling of CO2 Injection for Comparison toRegional Static Capacity Assessments of Miocene Sandstone Reservoirs in the Texas State Waters, Gulf of Mexico

Late-Career PhD Best Poster Award: 1st Place: Dusty Schroeder – Configuration of Subglacial Water and Sediments Beneath Thwaites Glacier, West Antarctica: Context for a Potential Melt-Water-Intensive Grounding-Line-Retreat

2nd Place: Paul Betka – The formation of a retroarc fold-thrust belt by the closure and inversion of a back-arc basin; Patagonian-Fuegian fold-thrust belt, Chile

Best represented Research Group Award: 1st Place: Marc Hesse
2nd Place: Danny Stockli


Undergraduate Best Poster Award: 1st Place: Quinn Wenning – Characterizing Reactive Flow Paths in Fractured Cement

2nd Place: Robert Zinke – Pre-eruptive storage conditions and the eruption of Douglas Knob obsidian lava dome, Yellowstone Caldera

Early-Career Graduate Best Poster Award: 1st Place:  Qinjian Jin – The Change in Wind and Dust Storm in the Middle East in multi-decadal scale and Their Correlations

2nd Place:  Maureen LeVoir – Preliminary analysis of the Baranof Fan system, Gulf of Alaska, based on 2D seismic reflection and multibeam bathymetry data

Late-Career M.S. Best Poster Award: 1st Place: Bryant Kopriva – Stratigraphic Response of Variable Mini-Basin Subsidence Patterns Due to Autogenic Effects

2nd Place: Justin Fitch – Retroarc foreland basin evolution during Paleogene shortening, northern Altiplano plateau, southern Peru

Late-Career PhD Best Poster Award: 1st Place: Charles Brothers – New constraints on the formation of Abalos Mensa, Planum Boreum Mars from radar stratigraphy and high-resolution imagery

2nd Place: Ethan Lake – Geometric controls on large volume mid-crustal magma chambers and magma evolution zones: A 3-D modeling approach

Best represented Research Group Award: 1st Place: Danny Stockli
2nd Place: Tim Shanahan