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Sierra Negra is a large shield volcano at the southeastern end of Isabela Island that rises to an altitude of 1124 m. [12] It coalesces with the volcanoes Cerro Azul to the west and Alcedo to the north. The volcano is one of the most active in the Galapagos, with the last eruption starting on 26 June 2018 and ending on 23 Aug 2018. [13]
The volcano has the largest caldera of all of the Galapagos volcanoes, with dimensions of 7.2 x 9.3 km, with the long axis being south west to north east. [2] The caldera is also the shallowest of the Isabela volcanoes at only 100m. The caldera is structurally complex with a 14 km long ridge within it.
Fernandina Island (Spanish: Isla Fernandina) is the youngest and third largest island in the Galapagos, as well as the furthest west.It has an area of 642 km 2 (248 sq mi) and a height of 1,476 m (4,843 ft), with a summit caldera about 6.5 km (4.0 mi) wide.
The 1,476-meter (4,842-foot) volcano last erupted in 2020. Images shared on social media taken by visitors to the Galapagos show the volcano profiled against a crimson red sky.
Ecuador's La Cumbre volcano, part of the Galapagos archipelago, has started to erupt, the government of the South American country reported on Sunday. La Cumbre on the island of Fernandina is one ...
A previously inactive volcano on the Galapagos Islands erupted on Monday. Wolf volcano, which had been dormant for 33 years, burst with lava, fire, and smoke that reached as far as six miles into ...
Cerro Azul (Spanish: Blue Hill) is a shield volcano on the south western part of Isabela Island in the Galápagos Islands.At a height of 1,689 m (5,541 ft) it is the second highest peak in the Galapagos and due to its topographic prominence of over 1,500 m (4,921 ft) it is categorised as an ultra. [1]
The volcano is not directly on the hotspot, which is believed to be under the neighbouring island of Fernandina to the west. However, it is still active with the last eruption in 1993. Due to the remoteness of Alcedo historical eruptions are not well recorded. There was an eruption between 1946 and 1960, as determined from variation in photographs.