P. Cordilleran Collisions
From Nick Zentner. Nick Zentner | January 10, 2026 | 8:00 am Pacific | Alaska A to Z!
Peter Davidson – The Eruption of Ontong Java Nui
From Nick Zentner. Nick Zentner | Friday, January 9, 2026 New Insights into Earth’s Largest Volcanic Event: The Eruption of Ontong Java Nui Dr. Peter Davidson – Central Washington University – Ellensburg, Washington, USA.
O. Westward Subduction
From Nick Zentner. Nick Zentner | January 8, 2026 | 3:00 pm Pacific | Alaska A to Z! Glenn’s link for today’s episode: https://earth.google.com/earth/d/1EuQL0j2D1af964ClQz2RtRZi5-XZLmrM?usp=sharing
N. Denali Fault Restored
From Nick Zentner. Nick Zentner | January 3, 2026 | 8:00 am Pacific | Alaska A to Z!
M. Alaska Restored
From Nick Zentner. Nick Zentner | January 1, 2026 | 3:00 pm Pacific | Alaska A to Z!
Sarah Roeske – Brooks Range Tectonics
From Nick Zentner. Nick Zentner | December 23, 2025 Dr. Sarah Roeske (University of California, Davis) offers guidance as Nick starts thinking about the Brooks Range in northern Alaska.
Randy Enkin – Carmacks Paleomagnetism
From Nick Zentner. Nick Zentner | December 22, 2025 Dr. Randy Enkin – Geological Survey of Canada – offers a deep dive into the paleomagnetism of the Carmacks Volcanics in the Yukon.
L. Ribbon Continent
From Nick Zentner. Nick Zentner | December 20, 2025 | 8:00 am Pacific | Alaska A to Z!
K. Yukon Coral Reefs
From Nick Zentner. Nick Zentner | December 18, 2025 | 3:00 pm Pacific | Alaska A to Z! Glenn’s link: https://earth.google.com/earth/d/1D6rCtIJB8lqz7_FpfmGeFWdYbgFxK8zq?usp=sharing
Jerome Lesemann – Cordilleran Tectonic Models
From Nick Zentner. Nick Zentner | December 16, 2025 Vancouver Island University Geology Professor Jerome Lesemann shares his teaching experiences recently that featured different Cordilleran Tectonic Models.
J. Carmacks Lavas … and Yellowstone
From Nick Zentner. Nick Zentner | December 13, 2025 | 8:00 am Pacific | Alaska A to Z!
I. Orphaned Omineca
From Nick Zentner. Nick Zentner | December 11, 2025 | 3:00 pm Pacific | Alaska A to Z!
Pascal from Switzerland – ‘Geoscopy’ geology website
From Nick Zentner. Nick Zentner | December 10, 2025 Pascal’s website: https://geoscopy.com/
Sarah Roeske – Border Ranges Fault
From Nick Zentner. Nick Zentner | December 9, 2025 Dr. Sarah Roeske (University of California, Davis) offers guidance as Nick starts thinking about big faults in Alaska.
Maurice Colpron – Tectonics of the Intermontane Terranes
From Nick Zentner. Nick Zentner | December 8, 2025 Maurice Colpron – Yukon Geological Survey – presented this Zoom talk on December 4, 2025. Tectonics of the Intermontane terranes (with focus on the northern Canadian Cordillera).
H. Canadian Rockies
From Nick Zentner. Nick Zentner | December 6, 2025 | 8:00 am Pacific | Alaska A to Z!
G. Big Faults: Tintina & Denali
From Nick Zentner. Nick Zentner | December 4, 2025 | 3:00 pm Pacific | Alaska A to Z!
Basil Tikoff – Reaction to Alaska Series – volume 1
From Nick Zentner. Nick Zentner | November 30, 2025 University of Wisconsin Geology Professor Basil Tikoff reacts to first six letters of Nick’s Alaska A to Z series.
Ken Ridgway – Yakutat Collision
From Nick Zentner. Nick Zentner | November 26, 2025 Purdue University Geology Professor Ken Ridgway helps Nick learn new things about the Yakutat Terrane accretion in southern Alaska.
Douwe van Hinsbergen – Franciscan Complex Ideas
From Nick Zentner. Nick Zentner | November 25, 2025 Utrecht University Geology Professor Douwe van Hinsbergen shares new ideas involving California’s Franciscan Complex, the Farallon Plate, and the Caribbean Plate.
Bob Hildebrand answers some questions by Zentnerds (v.3): and an introduction to thrust-fold belts
From Nick Zentner. Nick Zentner | November 23, 2025 Geologist Robert S. Hildebrand answers viewer questions from Episode F of ‘Alaska A to Z’.
F. Baja-BC Fault – Hidden Beneath?
From Nick Zentner. Nick Zentner | November 22, 2025 | 8:00 am Pacific | Alaska A to Z!