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The Sunda Arc is a volcanic arc that produced the volcanoes that form the topographic spine of the islands of Sumatra, Nusa Tenggara, Java, the Sunda Strait, and the Lesser Sunda Islands. The Sunda Arc begins at Sumatra and ends at Flores, and is adjacent to the Banda Arc. [1] The Sunda Arc is formed via the subduction of the Indo-Australian ...
The 150 entries in the list below are grouped into six geographical regions, four of which belong to the volcanoes of the Sunda Arc trench system. The remaining two groups are volcanoes of Halmahera, including its surrounding volcanic islands, and volcanoes of Sulawesi and the Sangihe Islands.
Mount Galunggung is part of the Sunda Arc extending through Sumatra, Java and the Lesser Sunda Islands, which has resulted from the subduction of the Australian Plate beneath the Eurasian Plate. For the first time since 1982 after eruptions finished and conditions seemed normal, on February 12, 2012, the status was upgraded to Alert based on ...
Mount Tambora, also known as Tomboro, [6] is situated in the northern part of Sumbawa island, part of the Lesser Sunda Islands. [7] It is a segment of the Sunda Arc, a chain of volcanic islands that make up the southern chain of the Indonesian archipelago. [8] Tambora forms its own peninsula on Sumbawa, known as the Sanggar peninsula.
The term "Sunda" has been traced back to ancient times. The name "Sunda" originates from the Sanskrit word "Cuddha," meaning white. During the Pleistocene era, there was a large volcano named Mount Sunda located north of Bandung in West Java. Its eruption covered the surrounding area with white volcanic ash, giving rise to the name "Sunda."
The islands of Lombok and Sumbawa lie in the central portion of the Sunda Arc. The Sunda Arc is home to some of the world's most dangerous and explosive volcanoes. The eruption of nearby Mount Tambora on Sumbawa is known for the most violent eruption in recorded history on 15 April 1815, with a scale 7 on the VEI. [8]
A volcanic arc (also known as a magmatic arc [1]: 6.2 ) is a belt of volcanoes formed above a subducting oceanic tectonic plate, [2] with the belt arranged in an arc shape as seen from above. Volcanic arcs typically parallel an oceanic trench , with the arc located further from the subducting plate than the trench.
The seas between the islands cover relatively stable ancient peneplains that are characterised by low seismicity, low isostatic gravity anomalies and no active volcanoes with the exception of Sumatra, Java, and Bali, which while connected to the Sunda Shelf, belong geologically to the young Sunda Arc orogenic system (i.e., the Sunda Mountain ...