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  2. Sangay - Wikipedia

    en.wikipedia.org/wiki/Sangay

    Sangay (also known as Macas, Sanagay, or Sangai) [8] is an active stratovolcano in central Ecuador.It exhibits mostly strombolian activity. Geologically, Sangay marks the southern boundary of the Northern Volcanic Zone, and its position straddling two major pieces of crust accounts for its high level of activity.

  3. Eruption column - Wikipedia

    en.wikipedia.org/wiki/Eruption_column

    The volcanic materials form a vertical column or plume that may rise many kilometers into the air above the vent of the volcano. In the most explosive eruptions, the eruption column may rise over 40 km (25 mi), penetrating the stratosphere. Stratospheric injection of aerosols by volcanoes is a major cause of short-term climate change.

  4. List of volcanic eruptions 1500–2000 - Wikipedia

    en.wikipedia.org/wiki/List_of_volcanic_eruptions...

    The island had three volcanoes. Perboewatan (410 ft) and Danan (1,480 ft) were destroyed during the eruption, and Rakata (2,667 ft) was half destroyed and the surviving half remains above sea level. In 1928, a new volcano called Anak Krakatoa (1,063 ft) grew above sea level, forming a new island by Rakata's island. 4 Volcán de Fuego [25] Guatemala

  5. Timeline of volcanism on Earth - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_volcanism_on_Earth

    Active volcanoes such as Stromboli, Mount Etna and Kīlauea do not appear on this list, but some back-arc basin volcanoes that generated calderas do appear. Some dangerous volcanoes in "populated areas" appear many times: Santorini six times, and Yellowstone hotspot 21 times.

  6. List of volcanic eruptions in the 21st century - Wikipedia

    en.wikipedia.org/wiki/List_of_volcanic_eruptions...

    The Centre of Volcanology and Geological Hazard Mitigation recommended that a 7 km (4.3 mi) radius around the volcano be evacuated. [75] Seven villages were affected by the eruption. [76] A larger eruption occurred on 7 November. [77] On 8 November, the volcano erupted several times, one bearing an ash plume with a height reaching 10 km (6.2 mi ...

  7. Volcano - Wikipedia

    en.wikipedia.org/wiki/Volcano

    Augustine Volcano (Alaska) during its eruptive phase on January 24, 2006. A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.

  8. Volcanism - Wikipedia

    en.wikipedia.org/wiki/Volcanism

    Volcanism, vulcanism, volcanicity, or volcanic activity is the phenomenon where solids, liquids, gases, and their mixtures erupt to the surface of a solid-surface astronomical body such as a planet or a moon. [1]

  9. Volcanology - Wikipedia

    en.wikipedia.org/wiki/Volcanology

    Volcanoes, he said, were formed where the rays of the sun pierced the earth. The volcanoes of southern Italy attracted naturalists ever since the Renaissance led to the rediscovery of Classical descriptions of them by wtiters like Lucretius and Strabo. Vesuvius, Stromboli and Vulcano provided an opportunity to study the nature of volcanic ...

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