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  2. Siberian Traps - Wikipedia

    en.wikipedia.org/wiki/Siberian_Traps

    The eruptions continued for roughly two million years and spanned the Permian–Triassic boundary, or P–T boundary, which occurred around 251.9 million years ago. The Siberian Traps are believed to be the primary cause of the Permian–Triassic extinction event , the most severe extinction event in the geologic record.

  3. Timeline of volcanism on Earth - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_volcanism_on_Earth

    Supervolcano – Volcano that has had an eruption with a volcanic explosivity index (VEI) of 8; Trans-Mexican Volcanic Belt – Active volcanic belt that covers central-southern Mexico; Volcanic arc – Chain of volcanoes formed above a subducting plate; Volcanic explosivity index – Predictive Qualitative scale for explosiveness of volcanic ...

  4. Types of volcanic eruptions - Wikipedia

    en.wikipedia.org/wiki/Types_of_volcanic_eruptions

    Hawaiian eruptions are a type of volcanic eruption named after the Hawaiian volcanoes, such as Mauna Loa, with this eruptive type is hallmark. Hawaiian eruptions are the calmest types of volcanic events, characterized by the effusive eruption of very fluid basalt-type lavas with low gaseous content. The volume of ejected material from Hawaiian ...

  5. Volcanology - Wikipedia

    en.wikipedia.org/wiki/Volcanology

    A volcanologist is a geologist who studies the eruptive activity and formation of volcanoes and their current and historic eruptions. Volcanologists frequently visit volcanoes, especially active ones, to observe volcanic eruptions, collect eruptive products including tephra (such as ash or pumice), rock and lava samples. One major focus of ...

  6. List of volcanic eruptions by death toll - Wikipedia

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

    1631 eruption of Mount Vesuvius: 3,000 Ritter Island: 2 Papua New Guinea: 1888 1888 Ritter Island eruption and tsunami: 2,957 Mount Papandayan: 3 Indonesia: 1772 [5] 2,942 Mount Lamington: 4 Papua New Guinea: 1951 1951 eruption of Mount Lamington: 2,806 Mount Awu: 3 Indonesia: 1856 [6] 2,033 Oshima Oshima: 4 Japan: 1741 1741 eruption of Oshima ...

  7. Volcano - Wikipedia

    en.wikipedia.org/wiki/Volcano

    Although volcanic eruptions pose considerable hazards to humans, past volcanic activity has created important economic resources. Tuff formed from volcanic ash is a relatively soft rock, and it has been used for construction since ancient times. [96] [97] The Romans often used tuff, which is abundant in Italy, for construction. [98]

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