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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.
Mount Galunggung (Indonesian: Gunung Galunggung, formerly spelled Galoen-gong, Sundanese: ᮌᮥᮔᮥᮀ ᮍᮜᮥᮀᮍᮥᮀ) is an active stratovolcano in West Java, Indonesia, around 80 km (50 mi) southeast of the West Java provincial capital, Bandung (or around 20 km (12 mi) to the northwest of the West Java town of Tasikmalaya).
The video shows August footage from Mount Dukono, an active volcano in Indonesia, not Yellowstone National Park. No evidence supports the post’s claim of a Yellowstone volcanic eruption in ...
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 ...
The volcano lies 80.87 miles west of Anchorage and NE of Chakachamna Lake. The caldera was formed by a late-Pleistocene or early Holocene sector collapse and associated pyroclastic flows that destroyed an ancestral Spurr volcano. The debris avalanche traveled more than 15.5 miles to the SE, and the resulting deposit contains blocks as large as ...
Shiveluch is a volcano within the Kuril–Kamchatka volcanic arc which hosts tens of other volcanoes. As the Pacific Plate crust subducts deeper under the Okhotsk Plate, the melting points of minerals underground are reduced by other materials including water which results in the materials melting and forming into magma which rises onto the surface and forms the volcanoes.
Stratocones are large cone-shaped volcanoes made up of lava flows, explosively erupted pyroclastic rocks, and igneous intrusives that are typically centered around a cylindrical vent. Unlike shield volcanoes , they are characterized by a steep profile and periodic, often alternating, explosive eruptions and effusive eruptions .
Erta Ale is the most regularly visited volcano in the Danakil Depression. [17] However, not much is known about the volcano, and the surrounding terrain is some of the most inhospitable on Earth, making travel difficult and dangerous. The Afar region also experiences intermittent ethnic violence due to unification struggles by the native Afar ...