This volcano is located within the Sangay National Park, a UNESCO World Heritage property. The almost constant activity has caused frequent changes to the morphology of the summit crater complex. More or less continuous eruptions were reported from 1728 until 1916, and again from 1934 to the present. The earliest report of a historical eruption was in 1628. It towers above the tropical jungle on the east side on the other sides flat plains of ash have been sculpted by heavy rains into steep-walled canyons up to 600 m (1 979 feet) deep. The modern edifice dates back to at least 14 000 years ago. The steep-sided, glacier-covered, dominantly andesitic volcano grew within horseshoe-shaped calderas of two previous edifices, which were destroyed by collapse to the east, producing large debris avalanches that reached the Amazonian lowlands. The isolated Sangay volcano, located east of the Andean crest, is the southernmost of Ecuador’s volcanoes and its most active. Servicio Nacional de Gestión de Riesgos y Emergencias lowered the Alert Level to Yellow (on a four-color scale) on October 20/21.Ī new eruption took place at 15:20 UTC, with volcanic ash up to 12.8 km (42 000 feet) a.s.l., moving toward the SSW. Incandescence at the summit and from a new lava flow on the SE flank was visible on October 18 and 19 incandescence from lava-flow activity continued to be periodically visible the rest of the week.
0 Comments
Leave a Reply. |