Sangay
FVXX21 at 19:28 UTC, 20/03/26 from KNES VA ADVISORY DTG: 20260320/1926Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SOURCE ELEV: 17342 FT AMSL ADVISORY NR: 2026/302 INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL TO FRQT VA EMS. OBS VA DTG: 20/1850Z OBS VA CLD: SFC/FL200 S0158 W07755 - S0209 W07756 - S0202 W07821 - S0159 W07821 - S0158 W07755 MOV E 20KT FCST VA CLD +6HR: 21/0100Z SFC/FL200 S0158 W07740 - S0218 W07743 - S0202 W07820 - S0159 W07820 - S0158 W07740 FCST VA CLD +12HR: 21/0700Z SFC/FL200 S0158 W07740 - S0217 W07743 - S0201 W07822 - S0159 W07820 - S0158 W07740 FCST VA CLD +18HR: 21/1300Z SFC/FL200 S0152 W07740 - S0211 W07741 - S0202 W07820 - S0159 W07820 - S0152 W07740 RMK: VA CLD OBSD ABT 25 NMI E OF SUMMIT. WEBCAM NOT CURNTLY SHOWING ANY VA EMS BUT IS OBSCD BY CLDS UP TO FL200. NWP MDLS AND VONA FROM 1504Z EST FL AT NEAR FL200. NWP MDLS FCST LTLCG IN WINDS THRU T+12HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20260321/0130Z
Sangay
The isolated Sangay volcano, located east of the Andean crest, is the southernmost of Ecuador's volcanoes and its most active. The steep-sided, glacier-covered, dominantly andesitic volcano grew within the open calderas of two previous edifices which were destroyed by collapse to the east, producing large debris avalanches that reached the Amazonian lowlands. The modern edifice dates back to at least 14,000 years ago. It towers above the tropical jungle on the east side; on the other sides flat plains of ash have been eroded by heavy rains into steep-walled canyons up to 600 m deep. The earliest report of an eruption was in 1628. Almost continuous eruptions were reported from 1728 until 1916, and again from 1934 to the present. The almost constant activity has caused frequent changes to the morphology of the summit crater complex.
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