Volcanoes of Samoa – Part 2 of 2

Google Maps screen capture of Tutuila Island. Multiple volcanoes are clearly visible. Collapsed and heavily eroded Pago volcano is barely visible. Note the lack of barrier reef surrounding the island, which should indicate how rapid the island is subsiding back into the ocean.

Lolobau Island, PNG

Lolobau Island from the air. Intra-caldera Lake Namor clearly visible. Southern and eastern caldera scarps clearly visible. Most recent Lolobau Mountain visible in the center of the photo with clouds to its south. Image courtesy Brendan McCormick Kilbride, Twitter, May 2019

The Towada Caldera, Honshu, Japan

Towada volcano, northern Honshu.  Clearly visible is the main caldera, the newer Nakanoumi caldera which truncated the Goshikiiwa stratovolcano in the caldera, and the most recent Ogurayama dome.  Image generally looking west.  Image courtesy Yoshihiro Ishizuka 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 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.

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

Recent Activity at Little Sitkin, Alaska

NASA Landsat image of Little Sitkin island. Image courtesy SJ Smith via AVO, 2001