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Volcano Hotspot
8h ago
We will take a look at the string of volcanoes in the northern portion of the southern segment of the Andean Southern Volcanic Zone (SSVZ). This segment has one recently active volcano, Chaiten in the middle. There are 8 volcanic centers along the 194 km volcanic front between Yanteles and Yate. These volcanoes from N ..read more
Volcano Hotspot
2w ago
Tecapa is at the western end of an E-W trending 40 km long chain of volcanoes in eastern El Salvador. There are at least 8 volcanic structures associated with the chain, including one obvious caldera. The most recently active member is San Miguel (Chaparrastique) at the eastern end of the chain. This cluster goes by ..read more
Volcano Hotspot
1M ago
The Al Haruj volcanic province (AHVP) is the largest volcanic field in Libya, covering 45,000 km2. Its black basalts contrast starkly with surrounding Sahara sands and gravels. The field is described in places as a flood basalt, with well-preserved scoria cones, lava flows and explosion craters. It contains some 150 vents, 30 of them small ..read more
Volcano Hotspot
1M ago
The Shiretoko Peninsula is the NE-most extension of the very volcanic Hokkaido Island. Is it generally parallel to neighboring Kunashir Island, the southernmost of the Kuril Islands, which lies some 30 km SE across the Strait of Nemuro. This is a complex region, as the volcanic front from the Kurils establishes itself in Northern Hokkaido. ..read more
Volcano Hotspot
2M ago
Fernandina Island is the newest of the Galapagos Islands, closest to the hotspot. It hosts a single massive basalt shield, Fernandia volcano. Over the years, we’ve done several posts about the Galapagos, neighboring volcanoes on Isla Isabela to Fernandina’s immediate east. I did a 2016 post on the 2015 eruption of Wolf volcano. Granyia did ..read more
Volcano Hotspot
2M ago
Maipo is a young, post-caldera 5,323 m stratovolcano built in the Diamante caldera straddling the Chile – Argentina border in the central Andes. It is located in the northern segment of the Andean Southern Volcanic Zone, 180 km north E of previously covered Descabazado Grande, Quizapu, Cerro Azul volcanoes and the associated Calabozos Caldera. Insert ..read more
Volcano Hotspot
3M ago
The Bayuda (Bayiuda) volcanic field is a monogenetic volcanic field in eastern Sudan, in the desert near the great bend of the Nile River. It measures 11 x 48 km, 480 – 520 km2, includes cinder cones, lava flows, and maars. The last eruption has been dated at 920 AD. The field was discovered via ..read more
Volcano Hotspot
4M ago
The Izu – Bonin – Mariana (IBM) arc system is a complex convergent plate boundary stretching 2,800 km S from Tokyo to beyond Guam. It includes the Izu Islands, the Bonin Islands and the Mariana Islands. We posted about volcanoes in two of the segments of the arc. The first post on the northern segment ..read more
Volcano Hotspot
4M ago
Mount Lamongan (Lemongan) is a small stratovolcano in East Java surrounded by around 90 eruptive vents, mostly maars and cinder cones. The volcanic field is located between the Bromo – Tengger – Semeru caldera system to the immediate W and the Iyang – Argupuro volcanic complex to the E. The maars and cinder cones are ..read more
Volcano Hotspot
5M ago
The Taapaca (Taa’ Paca, Nevados de Putre) volcano is located on the western edge of the Altiplano in the Andean Central Volcanic Zone. It was long thought to be extinct, but recent fieldwork identified the most recent eruption some 2,300 years ago. It is part of the Western Cordillera and the active volcanic front in ..read more