Splitting North America – The Walker Lane – Part 2 – The Volcanic Fields

 

Schematic of Long Valley Caldera and surrounding volcanic structures. Relative locations of all three California calderas along the Walker Lane are depicted in previous images. Image courtesy Indiana.edu. http://www.indiana.edu/~sierra/papers/2010/jarosinski.html

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Splitting North America – The Walker Lane – Part 1 – The Tectonics

Location of Walker Lane. San Andreas Fault System is depicted in red running from the lower right to the upper left of the image. Image courtesy Carlson et all. https://pubs.geoscienceworld.org/gsa/geosphere/article/9/6/1530/132671/kinematics-of-the-west-central-walker-lane

Popocatepetl – Mexico City’s Active Volcano

Popocatepetl in eruption, July 2013. Photo courtesy Science Times. http://www.isciencetimes.com/articles/5617/20130712/popocatepetl-volcano-erupts-mexico-city-ash.htm

The Ugashik – Peulik Volcanic Center, Alaska

Mount Peulik with the Ukinrek Maars in the foreground. Phot courtesy Wikimedia Commons. https://commons.wikimedia.org/wiki/File:Aerial_view_of_mountain_Peulik_ukinrek_maars.jpg

Recent Volcanic Activity in Nevada, USA – Part 2

Mud Springs volcano, Aurora – Bodie volcanic field. Lava flow is andesitic. Photo courtesy NASA Earth Observatory. https://earthobservatory.nasa.gov/IOTD/view.php?id=50493

Recent Volcanic Activity in Nevada, USA – Part 1

Lunar Crater Volcanic Field from the air.  Lunar Crater itself is a maar.  Photo courtesy Hindred Settling Blog.  https://zsylvester.blogspot.com/2009/12/lunar-crater-volcanic-field-nevada.html

The Michoacán – Guanajuato Volcanic Field, Mexico

Paricutin volcano, lava flow and buried church. http://www.amusingplanet.com/2014/08/paricutin-volcano-that-grew-out-of.html

Recent Volcanic Activity in SW Utah

Simplified map of volcanic fields in the western US that have been active during the Quaternary. http://geosphere.geoscienceworld.org/content/13/2/391/figures-only

Bering Sea Basalt Province

Bering Sea volcanic province. Screen capture from Winer, et al.

Recent Volcanic Activity in Northern Arizona

Lava Flow next to the Colorado River, Grand Canyon. https://answersingenesis.org/blogs/georgia-purdom/2014/06/07/the-grand-canyon-and-my-comfort-zone/