Latest Stratovolcanoes Stories
The Alaska Volcano Observatory has reported that the remote Pavlof Volcano continues to erupt and is now spewing a 60-mile stream of lava, ash and steam 20,000 feet into the sky.
More than a week after Alaska’s Cleveland volcano began erupting, sending ash clouds 15,000 feet into the air, another Alaskan mountaintop began rearing its ugly head. The Pavlof volcano, which sits about 350 miles northeast of Cleveland, showed signs on Monday that it was on the verge of eruption.
Authorities in Mexico have raised the alert level for towns in two central states and the capital after an increased amount of explosive activity has occurred at Popocatepetl volcano, Mexico’s second highest peak at 17,900 feet.
One of the Philippines most active volcanoes roared to life early Tuesday sending a cloud of ash and rocks into the morning sky. Mount Mayon, which sits about 206 miles southeast of the capital of Manila, killed at least four people and injured several others during the brief eruption.
The Cleveland Volcano, which sits at the western end of Chuginadak Island (part of the Aleutian Islands), erupted in at least three low-level explosions that were not severe enough to cause significant threats to air travel, but did force federal aviation authorities to divert some flights farther north of the volcano as a precaution.
Recognizing well-established patterns of pre-eruption unrest in monitoring data is vital in volcanic eruption forecasting. To develop better monitoring procedures, however, understanding volcanic eruptions that deviate from these patterns is crucial as well.
Last month, Earth science researchers from NASA traveled to Turrialba Volcano near San Jose, Costa Rica. The research team was there to study the chemical environment of the volcano by flying a Dragon Eye unmanned aerial vehicle into the sulfur dioxide plume and over its summit crater.
One of Iceland’s most active volcanoes, Hekla, has been showing signs of potential activity as of late, prompting National Commissioner of the Icelandic Police to declare an “uncertainty phase” for the snow-capped peak.
After more than a century of dormancy, a New Zealand volcano has erupted a second time in four months, sending a column of ash more than a mile into the sky and forcing school children and tourists to flee from the area, according to local reports.
Scientists have identified a trigger for the largest explosive volcanic eruptions on Earth, according to a report published in the journal Scientific Reports.
Irazú Volcano, known as Volcán Irazú in Spanish, is an active stratovolcano that is located in Costa Rica. The origin of the volcano’s name is unknown, but it is thought to be a variant of the word Iztarú, which is the name of a village that was near the volcano, or a mixture of the words ara, meaning point, and tzu, meaning thunder. It is locally known as The Colossus due to large past eruptions. This volcano is located within Irazú Volcano National Park, which holds montane forests...
Rincón de la Vieja is an active complex volcano that is located in northwestern Costa Rica. Its name, meaning The Old Woman's Corner, refers to a legend that says that a woman’s lover was thrown into the volcano by her father, after which she lived on the volcano as a recluse. This volcano reaches 6,286 feet in elevation and is the tallest volcano in Rincón de la Vieja Volcano National Park. Visitors were once permitted to climb up to the crater, but a recent eruption caused this area to...
Chimborazo is an inactive stratovolcano that is located in Ecuador and is part of the Cordillera Occidental range of the Andes. This volcano reaches an elevation of 20,564 feet and although it is not the tallest mountain measured above sea level, its proximity to the equator makes its summit the farthest away from the center of the earth. The origin of its name is unknown, but it could have received its name from several words in the Quichua or Quechua language or from the Cayapa language....
Cotopaxi is an active stratovolcano that is located in Ecuador and is part of the Pacific Ring of Fire. This volcano, reaching an elevation of 19,347 feet above sea level, is the second tallest volcano in Ecuador and one of the tallest active volcanoes in the world. The origin of its name is unknown, but some sources say that it means Neck of the Moon in the language of the indigenous people and it has been considered sacred in their culture. Cotopaxi is shaped like a cone that is almost...
Mount Carihuairazo is a volcanic caldera, most likely extinct, that is located in Ecuador. It is part of the Cordillera Occidental in the Andes Mountain range and reaches an elevation of 16,463 feet. This volcano, which is neighbored by Mount Chimborazo, is part of the Reserva de Produccion Faunistica Chimborazo, which protects the ecosystems and habitats of the vicuña,llama, and alpaca, all native species to the area. The volcano’s name is a mixture of three Quichu words Cari, huay, and...
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