Mount Semeru volcano | 07 Dec 2021
Why in News
Recently, Mount Semeru volcano of Indonesia erupted which killed at least 14 persons and left dozens injured.
- The last time it erupted was in December 2020.
Key Points
- About Semeru Volcano:
- Semeru, also known as the Great Mountain - is the highest volcano in Java and one of the most active.
- Semeru volcano is also the part of the Island arcs formed by the subduction of the Indo-Australian plate below Sunda Plate (part of Eurasian Plate).
- The trench formed here is called Sunda trench whose major section is the Java Trench.
- Volcano in Indonesia:
- Indonesia, with the maximum number of active volcanoes in the world, is prone to seismic upheaval due to its location on the Pacific’s Ring of Fire.
- Pacific’s Ring of Fire:
- The Ring of Fire, also referred to as the Circum-Pacific Belt, is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes.
- Its length is approximately 40,000 kilometers. It traces boundaries between several tectonic plates—including the Pacific, Cocos, Indian-Australian, Nazca, North American, and Philippine Plates.
- 75% of Earth’s volcanoes i.e. more than 450 volcanoes are located along the Ring of Fire. 90% of Earth’s earthquakes occur along its path, including the planet’s most violent and dramatic seismic events.
- Other Major Volcanoes of Indonesia: