Pico de Orizaba, Mexico, Part 1 of 2

NW Face of Pico de Orizaba from neighboring Hidalgo, Pico de Orizaba National Park, Mexico.  High point to the left of the summit is the remnant of Espolon de Oro, the second volcanic edifice Orizaba is constructed on.  Jamapa glacier is facing the camera.  Image courtesy Mexico en Fotos, Feb 2014 via Wiki

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Pago and the Witori Caldera, PNG

Active Pago cone in Witori caldera from the N in Sept 2002 during the 2002 eruptive sequence.  Directional blast left vegetation alone close to the crater rim while mowing trees down to the right of the image.  Photo courtesy USGS – VDAP via Smithsonian GVP

Lassen Volcanic Center, California

Skyline above timberline of the Lassen dome field.  Major domes visible.  Cinder Cone is in the foreground, the most recent feature.  Lassen Peak in the center background.  Other recent domes labeled.  Image courtesy Lassen Volcanic Center, USGS

Mount Martin and Alagogshak Volcanoes, Katmai, Alaska

Summit of Mount Martin showing active fumaroles and small acidic lake.  Image courtesy SR Wood, US NPS, Katmai

Are Exceptionally Violent Volcanic Eruptions More Common Than We Think? Part 2 of 2

Landsat image of Lake Taupo on New Zealand North Island.  Image courtesy NASA Landsat, 2005 via Wiki

Diky Greben and the Kurile Lake Caldera, Kamchatka, Russia

Diky Greben volcanic complex from Kurile Lake. Image courtesy Wiki

The Atka, Korovin, Kliuchef Volcanic Complex, Aleutians, Alaska

Greater Atka Volcano complex with the caldera, Korovin and Kliuchef labeled. Image courtesy Lu and Dzurisin, 2014, via Smithsonian GVP

The Cotacachi – Cuicocha Volcanic Complex, Ecuador

Cuicocha caldera with visible domes. Eroded Cotacachi volcano lies to the north. Image taken looking north. Image courtesy Patricio Ramon, 2003 via Smithsonian GVP

The Deadly 1985 Lahar of Nevado del Ruiz, Columbia

Nevado del Ruiz with steam plume.  Image courtesy Infographic Vennpage.com, Feb 2017

Nevado del Ruiz (also known as La Mesa de Herveo or Volcan Ruiz) is a massive active stratovolcano located some 129 km west of Bogota, Columbia.  Its summit is covered with large glaciers.  It is locally known as the ‘sleeping lion’, meaning that the locals remember and respect its danger.

Nevado de Toluca, Mexico

Nevado de Toluca from surrounding valley.  Image courtesy Ricardo Guaderrama Caraveo, via Medium.com, 2018