Where is Anak Krakatau volcano located?
Krakatau is located in the Sunda Strait between Indonesia’s Java and Sumatra Islands and experienced a major caldera collapse around 535 CE, forming a 7-km-wide caldera ringed by three islands called Verlaten, Lang, and Rakata.
Where is Hunga Tonga volcano located?
Hunga Tonga-Hunga Ha’apai volcano in the SW Pacific is 65 km NW of the island of Tongatapu, where the capital of the Kingdom of Tonga, Nuku’alofa, is located. It lies 2,000 km N of New Zealand and over 3,000 km NE of Australia.
What type of volcano is Krakatau?
Mount Krakatoa is an example of a stratovolcano, a tall, conical volcano with multiple strata of solidified lava, tephra, as well as volcanic ash. These type of volcanoes typically have steep sides and usually erupt frequently & violently.
Did the Tonga volcano create a new island?
For more than a decade, an undersea volcano has been erupting in the South Pacific near Tonga. The eruptions created a new island near Hunga Tonga and Hunga Ha’apai; then a potent blast wiped out the island in early 2022.
Why did Hunga Tonga eruption?
According to an official at GNS Science, the suspected cause of the tsunami was an undersea eruption that destroyed part of the island on 14 January. This allowed seawater to fill the volcanic vent, causing another undersea explosion the next day.
What type of volcano is Mt St Helens?
Mount St. Helens is a stratovolcano, a steep-sided volcano located in the Pacific Northwest region of the United States in the state of Washington.
Is Mount St Helens a cinder cone volcano?
The result is a cone that has a gentler slope than a cinder cone but is steeper than a shield volcano. Washington state’s Mt. St. Helens is an example of a composite cone volcano.
What are the 3 super volcanoes?
There are many supervolcanoes around the world other than Yellowstone, including California’s Long Valley, Japan’s Aira Caldera, Indonesia’s Toba, and New Zealand’s Taupo. This latter supervolcano is the last to have ever released a super-eruption, which burst free some 26,500 years ago.
What is the name of the volcano in Iceland?
Hekla volcano is one of the most famous and active volcanoes in Iceland. In the Middle Ages, it was known as ‘The Gateway to Hell’. Hekla is in the southwest part of Iceland, only about a 2 hour drive from Reykjavík. Eruptions in Hekla are extremely varied and difficult to predict.
What is the Indo-Australia plate?
The Indo-Australia plate is a major plate combining the Australian and Indian Plate. But they are widely considered to be two separate plates. The Indo-Australia plate stretches from Australia to India.
What tectonic plate is Iceland on?
The western side of the Eurasian and eastern side of the North American tectonic plates form the northernmost part of the Mid-Atlantic Ridge which Iceland is located on. In a sense, it can be said that Iceland is a kind of bridge between continents due to this unique location on the Mid-Atlantic Ridge.
Why are there so few active volcanoes in Iceland?
Most active volcanoes are far from the towns, due to the sense of early settlers. The South Coast of Iceland, for example, has very few towns and villages due to the fact that major volcanoes like Katla and Eyjafjallajökull sit just to its north.