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

Antarctica 5 – Volcanoes of the Antarctic Peninsula

Feature map of Antarctic Peninsula. Image courtesy AntarcticGlaciers.org. http://www.antarcticglaciers.org/glacial-geology/ice-stream-initiation-northern-antarctic-peninsula/

Just when I think I will be finished with Antarctic volcanoes for a while, along comes a publication that posits one to several mantle plumes stretching from the Antarctic Peninsula to the Ross Sea.  As such, it is probably time to discuss volcanoes in the Antarctic Peninsula.

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

Tin Can Island – Niuafo’ou Caldera, Tonga

Satellite photo of Niuafo’ou Volcano. Google Maps screen capture

The Geysers of Enceladus

Geysers of Enceladus. Photo courtesy NASA JPL. https://www.jpl.nasa.gov/news/news.php?feature=4755

Nyiragongo and Nyamuragira Volcanoes, Congo

Satellite photo of adjoining volcanic fields, Goma and Lake Kivu. Photo courtesy Photovolcanica. http://www.photovolcanica.com/VolcanoInfo/Nyiragongo/Nyiragongo.html