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The islands are volcanic in origin, formed by the Galápagos hotspot. The eastern islands are generally older, dating back 3 to 6 million years, while the western islands are less than 1 million years old. Surface geology consists of volcanic rock, typically basalt, and includes pumice, ash, and tuff ejected from volcanoes.
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]
Dieng Volcanic Complex: 2 Indonesia: 1928 [30] 39 Taal: 4 Philippines: 2020 2020–2022 Taal Volcano eruptions: 38 Dieng Volcanic Complex: 2 Indonesia: 1786 [30] 32 Mount Nyiragongo: 1 Democratic Republic of the Congo: 2021 2021 Mount Nyiragongo eruption: 32 Kelud: 4 Indonesia: 1990 [40] 31 Bayonnaise Rocks: 2 Japan: 1952 [41] 31 Nabro Volcano ...
The island is actually a collapsed volcano that is a nesting location for a variety of seabirds such as Frigatebirds and the elusive Red-Billed Tropicbird, among others. Isla Los Hermanos - This is a small island off Isabela. Isla Sombrero Chino - One of the most recognizable of the Galapagos Islands, Sombrero Chino name means "Chinese Hat." It ...
A natural disaster is a sudden event that causes widespread destruction, major collateral damage, or loss of life, brought about by forces other than the acts of human beings. A natural disaster might be caused by earthquakes, flooding, volcanic eruption, landslide, hurricanes, etc.
El Junco inhabits a crater formed by the collapsed caldera of a volcano. Research has indicated the lake to have been extant since the end of the last ice age. [1] The name El Junco is Spanish for sedge which is endemic to the islands.
The islands are volcanic in origin and were never attached to any continent. Galápagos wildlife arrived by flying, floating or swimming. Birds might have flown there by accident and decided to settle there due to favourable conditions. Mammals or reptiles might have floated on a piece of wood and drifted to the islands. Some animals like ...
The Galapagos hotspot has a very complicated tectonic setting. It is located very close to the spreading ridge between the Cocos and Nazca plates; the hotspot interacts with both plates and the spreading ridge over the last twenty million years as the relative location of the hotspot in relation to the plates has varied.