Lake of the Gods. Topographic gullies are prominent linear fault strands contained in tectonic mélange.
2026 UW ESS Graduation Ceremony
2026 UW ESS PhDs
Harold points at the South face of Mt. Olympus.
Sitting on a slickenfibered fault surface.
Helicopter drop off for field work at Lake of the Gods.
Anna Ledeczi and Harold Tobin by the GPS station atop Snow Dome.
Sampling soft clay fault gouge in a fault strand at Lake of the Gods.
Crossing Blue Glacier en route to Snow Dome.
Photographing a deformation banded sandstone, Lake of the Gods.
First successful fault strand rock sample that didn't fall apart.
Creating a stucture from motion model of a key outcrop, Lake of the Gods. This work made the cover of GSA Bulletin.
Anna Ledeczi, Tsai-Wei Chen, and Harold Tobin point to pseudotachylyte along an out-of-sequence thrust in the Shimanto Belt, Japan.
Anna Ledeczi and Madeleine Lucas in front of the R/V Swift Responder in Astoria, OR.
Collecting sediment cores offshore Oregon on the R/V Swift Responder with a USGS team.
Anna Ledeczi, Janet Watt, and Madeleine Lucas with a section of a collected sediment core.
Hanging out with the boat dog on the midnight shift aboard the R/V Swift Responder.
FaSST lab group (Anna Ledeczi, Harold Tobin, Alysa Fintel, and Madeleine Lucas) on a field trip to see tsunami deposits at Willapa Bay, WA.
Searching for tsunami deposits at Willapa Bay, WA.
The Cascadia 1700 ~M9 tsunami deposit.