Cleveland (sopka)

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Vlajka Spojených států amerických

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Mount Cleveland Volcano. Alaska, Aleutian Islands, Kagamil Island.

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This is a recent aerial photo taken on August 4, 2015 showing the lava dome within the Cleveland volcano summit crater. The volcano continues to see low-level unrest.

Cleveland is a stratovolcano (a steep-sided volcano usually conical in shape) that forms the western portion of Chuginadak Island, a remote and uninhabited island in the east central Aleutians. The volcano is located about 75 km (45 mi) west of the community of Nikolski, and 1500 km (940 mi) southwest of Anchorage. The most recent significant period of eruption began in February, 2001 and produced 3 explosive events that generated ash clouds as high as 39,000 ft above sea level. The 2001 eruption also produced a lava flow and hot avalanche that reached the sea. Since then, Cleveland has been intermittently active producing small lava flows, often followed by explosions that generate small ash clouds generally below 20,000 ft above sea level. These explosions also launch debris onto the slopes of the cone producing hot pyroclastic avalanches and lahars that sometimes reach the coastline.

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From the USGS caption: Mount Cleveland forms the western half of Chuginadak Island in the central Aleutian Islands. This symmetrical, 1,730-m (5,676 ft)-high stratovolcano and has been the site of numerous eruptions in the last two centuries; the most recent eruption occurred in 1994. In 1944, a U.S. Army serviceman was reportedly killed by an eruption from Mount Cleveland.

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Jealous? — This photo was taken last summer when scientists from the Islands of Four Mountains science project headed ashore by skiff on the first day of fieldwork. In the backdrop is Cleveland volcano. The USGS provides the latest updates on the status of Cleveland including ash cloud forecasts, images, and more at: bitly.com/ClevelandVolcano. Photo Credit: Christina Neal, USGS.

We've also just launched a "USGS Volcanoes" Facebook Page covering the various volcano research, status updates, and more. Go ahead and like the page and keep up to date with what's happening: www.facebook.com/USGSVolcanoes.

For more information on ​the Island of Four Mountains project, ​visit: www.facebook.com/IslandsOfThe4Mountains/.

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Autor: Nzeemin, Licence: CC BY-SA 3.0
Relief map of Alaska, USA

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A View From Above — A view of the flanks of Cleveland volcano (top) and Carlisle volcano (bottom) viewed from an Alaska Airlines 737 en route to Adak, Alaska. The photo was taken on May 31, 2012. Currently, Cleveland volcano is at a yellow alert level and recently had a small steam event. Photo credit: Cyrus Read, USGS.

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View of Alaska taken during ISS Expedition 65.

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Mount Cleveland erupting ash. Alaska, Aleutian Islands, Kagamil Island.