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  2. Volcano - Wikipedia

    en.wikipedia.org/wiki/Volcano

    A volcano needs a reservoir of molten magma (e.g. a magma chamber), a conduit to allow magma to rise through the crust, and a vent to allow the magma to escape above the surface as lava. The erupted volcanic material (lava and tephra) that is deposited around the vent is known as a volcanic edifice, typically a volcanic cone or mountain. [2] [22]

  3. Types of volcanic eruptions - Wikipedia

    en.wikipedia.org/wiki/Types_of_volcanic_eruptions

    Volcanoes known to have Surtseyan activity include: Surtsey, Iceland. The volcano built itself up from depth and emerged above the Atlantic Ocean off the coast of Iceland in 1963. Initial hydrovolcanics were highly explosive, but as the volcano grew, rising lava interacted less with water and more with air, until finally Surtseyan activity ...

  4. List of stratovolcanoes - Wikipedia

    en.wikipedia.org/wiki/List_of_stratovolcanoes

    Mayon Volcano in Albay, The most active volcano in the Philippines, famous for its perfect symmetrical cone shape. Mount Pinatubo in Zambales. The catastrophic June 1991 eruption, which formed a caldera, later filled by a crater lake, had global environmental effects. Mount Bulusan in Sorsogon; Mount Kanlaon and Mount Talinis in Negros

  5. Active volcano - Wikipedia

    en.wikipedia.org/wiki/Active_volcano

    World map of active volcanoes and plate boundaries Kīlauea's lava entering the sea Lava flows at Holuhraun, Iceland, September 2014. An active volcano is a volcano that has erupted during the Holocene (the current geologic epoch that began approximately 11,700 years ago), is currently erupting, or has the potential to erupt in the future. [1]

  6. Kīlauea - Wikipedia

    en.wikipedia.org/wiki/Kīlauea

    The volcano is between 210,000 and 280,000 years old and grew above sea level about 100,000 years ago. Since the islands were settled, it has been the most active of the five volcanoes that together form the island and among the most active volcanoes on Earth. The most recent eruption began in December 2024.

  7. Stratovolcano - Wikipedia

    en.wikipedia.org/wiki/Stratovolcano

    The term composite volcano is used because strata are usually mixed and uneven instead of neat layers. [6] They are among the most common types of volcanoes; [7] more than 700 stratovolcanoes have erupted lava during the Holocene Epoch (the last 11,700 years), [8] and many older, now extinct, stratovolcanoes erupted lava as far back as Archean ...

  8. List of volcanoes in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_volcanoes_in_the...

    This article contains a list of volcanoes in the United States and its territories. Alaska. Name Elevation Location Last eruption meters feet Coordinates; Mount ...

  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 ...