Kulshan Caldera and Mount Baker Volcanic Field, Washington State, USA

Glaciated Mount Baker from neighboring Mount Shuksan.  Area to the right is the Kulshan Caldera.  Jagged peak is glacially eroded basalts of Mount Shukshan.  Image courtesy Lee Siebert, 1971, Smithsonian GVP

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Volcan Darwin, Galapagos Islands, Ecuador

Satellite photo of Volcan Darwin and satellite pyroclastic cones Tagus and Beagle at lower left.  Screen capture from Google Maps

Revisiting Menengai Crater, Kenya

Rim of Menengai crater.  Note multiple layers capping the scarp.  Image courtesy Kenya Geographic, Dec 2010

Chingo Volcanic Field, Guatemala

El Chingo volcano.  Image © Leo Muyshondt, Dec 2004

Sint Eustatius and Saba Islands, Lesser Antilles

Looking to the south along Sint Eustatius Island.  Older volcanics are in the foreground.  The Quill is on the southern end of the island.  Neighboring St Kitts and Mt Liamuiga is visible across the neighboring strait to the south.

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

Marianas 2 – The Marianas Volcanic Arc Part 2 of 2

Shuttle photo image of Agrihan (Agrigan) Volcano taken Apr 2003. Image courtesy NASA via Wiki

Marianas 1 – The Marianas Volcanic Arc Part 1 of 2

Izu – Bonin – Mariana Arc system.  Image courtesy Calvert, et al Apr 2011

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