Alaska Volcano Eruptions: It's Effect On Aircrafts & All You Want To Know About Volcanoes
Hemal VoraAlaska volcano eruptions have continued for over a past month, and the latest eruptions have sent the cloud of ice and ash 35,000 in air.
Alaska volcano eruptions were recently seen in the Bogoslof Volcano in the Aleutian Islands last Thursday and were reported by the Alaska Volcano Observatory. The recent spate of volcanic eruptions in Alaska started on December 16, 2016, and had continued intermittently ever since. The volcanic eruption observed on Thursday had reached 33,000 feet, as reported by Tempo.
It is worth noting that there are more than 90 active volcanoes in Alaska since last 10,000 years. 50 of this 90 have been active since 1760.
Yes, the volcanic eruption can be predicted. The Alaska Volcano Observatory has tools and methods that can predict the next eruptions. Before any volcanic eruption, there are earthquakes, swelling of mountain surfaces and emission of gases, as reported by The Wire.
All these factors are monitored to predict the next Alaska volcano eruptions. The observatory also predicts where will the ask particles falls and updates them when they blow.
Not all volcanic eruptions are dangerous. Volcanoes in Hawaii ooze lava whereas the ones in Alaska explode. The Alaska volcano eruptions shoot ash in the air, and the ash consists of rock fragments. This rock can injure eyes, skin and even breathing passages.
The ash from the exploding volcanoes can damage the aircraft engine by scrapping its moving parts such as turbine blades. USGS geophysicist John Power said,
"Ingestion of ash can clog fuel nozzles, combustor, and turbine parts causing surging, flame out, immediate loss of engine thrust, and engine failure."
Ash above 20,000 feet is considered dangerous for aircraft. In an unfortunate incident, Redoubt volcano blew on Dec. 15, 1989, and its ash was in the path of KLM jet carrying 231 passengers. The jet had fallen from 27,900 feet to 13,300 feet before the engines could be restarted.
The good news is massive volcanic eruptions do not take place immediately and there are always signs and precursors which can help avert a major tragedy.
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