18 Feb '15, 6pm

Eruption at Chikurachki #NASA

Eruption at Chikurachki #NASA

In mid-February 2015, a stratovolcano in the Kuril Islands awoke after seven years of slumber. Chikurachi erupted explosively on February 16, spewing ash high enough to prompt volcano monitoring agencies to post a code red aviation warning for aircraft. Chikurachi rises 1,816 meters (5956 feet) above the western Pacific Ocean on Paramushir Island, just south of Kamchatka. It is made up of alternating layers of hardened lava, ash, and rocks, and it is one of the more active volcanoes in the tectonically rich area. Chikurachki had several eruptive episodes between 2002 and 2008, but has been relatively quiet since then. The Operational Land Imager (OLI) on Landsat 8 captured a natural-color view of the eruption on February 17, 2015. The top image is a closeup pulled from the second image. The highest plume—up to 7.5 kilometers (25,000 feet)—occurred on February 16, based on ...

Full article: http://earthobservatory.nasa.gov/NaturalHazards/view.php?...

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