Debris Avalanche at Mount Meru, Tanzania

Peak of Mount Meru on the northern flank of the volcano looking south. Flank collapse amphitheater clearly visible on the left of the volcano. Image courtesy Wiki

The Hakoneyama Caldera System, Japan

Airborne view of Mount Hakone volcano. Lake Ashi in the foreground. Image courtesy Wiki

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

Myojin-sho, Kita-Bayonnaise Rocks and the Sinking of the Kaiyo-Maru No 5, Japan

Bayonnaise Rocks. Aerial photo courtesy Wikimedia Commons, 2015

Mount Longonot, Kenya

Mount Longonot most recent caldera (pit crater) with line of pyroclastic craters down flank fissure on the north.  Massive lava flow on the flank visible on the lower left of the photo.  Image courtesy Lonely Planet

The Deadly Eruption of Galeras, Columbia Jan 14, 1993

Breached caldera and active cone at Galeras looking to the south.  Image courtesy LeChaudron de Vulcain, Oct 2019

Ongoing Effusive Eruption at La Soufriere, St Vincent

An effusive eruption began on La Soufriere volcano on St Vincent (St Vincent and the Grenadines) island in the eastern Caribbean Sea in Dec.  Note that this is currently an ongoing dome building eruption.

Volcanoes of the Solomon Islands – Part 2 of 2

Kana Keoki, Coleman Seamount and Rendova Volcano from Google Maps. Kana Keoki is left of center toward the edge of the image with a dual peak. It also looks a bit eroded. Neighboring Coleman Seamount has a clearly defined crater and looks a bit younger. Screen capture from Google Maps

Volcanoes of the Solomon Islands – Part 1 of 2

Map of Solomon Islands and most of its volcanoes. Two active volcanoes are in yellow, Kavachi, center left, and Tinakula, lower right. Recently active volcanoes are in bright green. Dormant / extinct volcanoes are black. Bougainville Island in the upper left is part of Papua New Guinea, but also volcanic. New Georgia Island group center left is home to most of the volcanoes to be discussed in this post. Image screen capture from interactive map in Volcano Discovery