W. Orcas Plate
From Nick Zentner. Nick Zentner | February 5, 2026 | 3:00 pm Pacific | Alaska A to Z!
Mitch Mihalynuk – Cache Creek Orocline
From Nick Zentner. Nick Zentner | February 1, 2026 British Columbia field geologist Mitch Mihalynuk updates Nick on his well-known Cache Creek Orocline hypothesis within the Intermontane Superterrane in Canada.
V. Alaska Roundtable
From Nick Zentner. Nick Zentner | January 31, 2026 | 8:00 am Pacific | Alaska A to Z! Karin Sigloch, Michael Eddy, & Trevor Waldien join Nick for a free-flowing discussion of Alaska Tectonics.
Jeff Dermond – Chasing the Yakima Basin’s “Sixth Reservoir” with Groundwater Storage
From Nick Zentner. Nick Zentner | Friday, January 30, 2026 Chasing the Yakima Basin’s "Sixth Reservoir" with Groundwater Storage Jeff Dermond – Washington Department of Ecology
U. Talkeetna Arc
From Nick Zentner. Nick Zentner | January 29, 2026 | 3:00 pm Pacific | Alaska A to Z!
T. Koyukuk Arc
From Nick Zentner. Nick Zentner | January 24, 2026 | 8:00 am Pacific | Alaska A to Z!
Bre MacInnes – How Large was the July 29, 2025 Tsunami?
From Nick Zentner. Nick Zentner | Friday, January 23, 2026 How Large was the July 29, 2025 Tsunami? : Field Evidence and Context from Past Events Dr. Bre MacInnes – Central Washington University – Ellensburg, Washington, USA. 0:00 Livestream starts 18:01 Lecture begins 1:07:32 Q & A
S. Angayuchum Ocean
From Nick Zentner. Nick Zentner | January 22, 2026 | 3:00 pm Pacific | Alaska A to Z!
Karin Sigloch – Alaska Tectonics
From Nick Zentner. Nick Zentner | January 19, 2026 Dr. Karin Sigloch – Director of Research, Université Côte d’Azur – shares new ideas with Nick related to Alaska Tectonics.
Hildebrand Q & A for Zentnerds – Volume 4
From Nick Zentner. Nick Zentner | January 16, 2026 Geologist Robert S. Hildebrand answers viewer questions from Episode Q of ‘Alaska A to Z’.
R. Brooks Range
From Nick Zentner. Nick Zentner | January 17, 2026 | 8:00 am Pacific | Alaska A to Z! Glenn’s link: https://earth.google.com/earth/d/1Outq2Xiu0TZJMGaaX9z5DgvDj_mtT5gp?usp=sharing
Q. Assembling Alaska
From Nick Zentner. Nick Zentner | January 15, 2026 | 3:00 pm Pacific | Alaska A to Z! Glenn’s link for today: https://earth.google.com/web/@56.17232956,-132.14356645,-0.13028423a,3719455.64894062d,30y,0h,0t,0r/data=CgRCAggBMikKJwolCiExT3V0cTJYaXUwVFpKTUdhYVg5ejVEZ3ZEal9tdFQ1Z3AgAToDCgEwQgIIAEoICNrF95AGEAE
Mike Eddy & Jeff Tepper – Magmas in the North Cascades
From Nick Zentner. Nick Zentner | January 13, 2026 Dr. Michael Eddy (Purdue) and Dr. Jeff Tepper (Puget Sound) help Nick with geochemistry details which support distinguishing arc magmas from slab-failure magmas in the North Cascades of Washington.
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!