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1. www.bbc.com › news › world-europe-68589594Iceland violent volcanic flare-up triggers state of emergency -...

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   17. März 2024 · Iceland has 33 active volcano systems and sits over what is known as the Mid-Atlantic Ridge, the boundary between two of the largest tectonic plates on the planet. The last time the Reykjanes ...

2. www.britannica.com › story › what-causes-a-volcano-to-eruptWhat Causes a Volcano to Erupt? | Britannica

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   Volcanoes erupt because of the way heat moves beneath Earth ’s surface. Heat is conveyed from the planet’s interior to its surface largely by convection —the transfer of heat by movement of a heated fluid. In this case, the fluid is magma —molten or partially molten rock —which is formed by the partial melting of Earth's mantle and ...

3. www.snexplores.org › article › explainer-volcano-basicsExplainer: The volcano basics - Science News Explores

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   1. Okt. 2014 · Explainer: The volcano basics. An ash burst coming from Washington’s Mount St. Helens in May 1982. A volcano is a spot in Earth’s crust where molten rock, volcanic ash and certain types of gases escape from an underground chamber. Magma is the name for that molten rock when it’s below ground. Scientists call it lava once that liquid rock ...

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5. www.cnn.com › 2024/05/30 › europeIceland volcano dramatically erupts again as streams of lava ......

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   Vor 4 Tagen · A volcano in southwestern Iceland erupted Wednesday for the fifth time since December, spewing massive lava flows that threatened to cut off the town of Grindavík and prompting the evacuation of ...

6. www.nationalgeographic.org › forces-nature › volcanoesForces of Nature - National Geographic Society

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   This lowers the melting point of the mantle, and it melts to form magma. This magma will rise and leak into the crust forming a volcano. This process can create a chain of volcanic islands. Examples of island arcs are the Japanese islands and the Aleutian islands of Alaska. Cleveland Volcano, Aleutian Islands.

7. www.cnn.com › 2022/07/24 › asiaJapan’s Sakurajima volcano erupts, prompting highest alert

   www.cnn.com › 2022/07/24 › asia

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   25. Juli 2022 · Japan’s Sakurajima volcano, located on the island of Kyushu, erupted on Sunday, prompting evacuations in the region.. The Japan Meteorological Agency (JMA) said the volcano erupted around 8:05 p ...