An Overview of the Volcanism and Tectonics of Italy

Stromboli. Image courtesy ZME Science, Mihai Andrei, Apr 2019

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.

Volcanoes of Samoa – Part 1 of 2

Google Maps screen capture of the Samoan Islands. The two main islands of the nation of Samoa are clearly visible left of center, Savai’i and Upolu. The main islands of American Samoa also visible, the American Samoa label is hiding Tuluila. To its east are Ofu – Olosega, Ta’u and the Vailulu’u seamount. Sea floors are up to 5,000 under the island chain. Multiple seamounts, some related, some not, are visible. The curved structure in the lower right is the transition of the Kermadec – Tonga Trench into the Vitaz Trench, a source of significant tectonic stress in the region.

Gunung Guntur, the Thunder Volcano, Garut Regency, Indonesia

Gunung Guntur from the south looking north. Most recent lava flow clearly visible. Note the lava flow coulees on the flank to the right of center. Image courtesy Wikimedia Commons

Mount Taranaki, New Zealand

Taranaki with snowcap. Satellite vent Fanthams Peak to the left of the photo. Image courtesy skimountaineer.com

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

Iliwerung Volcano, Lembata Island Indonesia

Iliwerung volcano from the east.  Image courtesy VolcanoYT

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

Lunar Eclipses and Asama Volcano, Japan

A very dark lunar eclipse.  Image courtesy SyFyWire