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  2. Active volcano - Wikipedia

    en.wikipedia.org/wiki/Active_volcano

    World map of active volcanoes and plate boundaries KÄ«lauea'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]

  3. Volcano - Wikipedia

    en.wikipedia.org/wiki/Volcano

    Volcanoes vary greatly in their level of activity, with individual volcanic systems having an eruption recurrence ranging from several times a year to once in tens of thousands of years. [76] Volcanoes are informally described as erupting, active, dormant, or extinct, but the definitions of these terms are not entirely uniform among ...

  4. 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 ...

  5. Hawaii's Kilauea volcano is erupting again

    www.aol.com/weather/hawaiis-kilauea-volcano...

    The eruption is in Halemaʻumaʻu crater in Kilauea's⠯summit caldera at Hawai'i Volcanoes National Park on Hawaii's Big Island. Kīlauea makes up the southeastern side of the Big Island ...

  6. Prediction of volcanic activity - Wikipedia

    en.wikipedia.org/wiki/Prediction_of_volcanic...

    Scientists monitoring an active volcano will often measure the tilt of the slope and track changes in the rate of swelling. An increased rate of swelling, especially if accompanied by an increase in sulfur dioxide emissions and harmonic tremors is a high probability sign of an impending event.

  7. Texas has over 200 volcanoes. But are any of them active ...

    www.aol.com/texas-over-200-volcanoes-them...

    In the continental U.S., the most recent cataclysmic eruption of a volcano was Mount St. Helens on May 18, 1980. “Vancouver, Vancouver, this is it!” radioed U.S. Geological Survey scientist ...

  8. Volcanism - Wikipedia

    en.wikipedia.org/wiki/Volcanism

    Jupiter's moon Io is the most volcanically active object in the Solar System because of tidal interaction with Jupiter. It is covered with volcanoes that erupt sulfur, sulfur dioxide and silicate rock, and as a result, Io is constantly being resurfaced.

  9. World's largest active volcano erupts after 38 years ...

    www.aol.com/worlds-largest-active-volcano-erupts...

    People watch and record images of lava from the Mauna Loa volcano Thursday, Dec. 1, 2022, near Hilo, Hawaii. (AP Photo/Gregory Bull) After Mauna Loa, also known as the world's largest active ...