Reventador
FVXX25 at 03:13 UTC, 17/05/26 from KNES VA ADVISORY DTG: 20260517/0310Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SOURCE ELEV: 11686 FT AMSL ADVISORY NR: 2026/485 INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: LKLY OCNL VA EMS. EST VA DTG: 17/0240Z EST VA CLD: SFC/FL150 S0001 W07749 - S0004 W07740 - S0005 W07739 - S0004 W07750 - S0001 W07749 MOV W 10KT FCST VA CLD +6HR: 17/0830Z SFC/FL150 N0001 W07749 - S0004 W07739 - S0005 W07739 - S0002 W07750 - N0001 W07749 FCST VA CLD +12HR: 17/1430Z SFC/FL150 N0002 W07749 - S0004 W07739 - S0005 W07740 - S0002 W07751 - N0002 W07749 FCST VA CLD +18HR: 17/2030Z SFC/FL150 N0002 W07748 - S0005 W07739 - S0005 W07739 - S0002 W07750 - N0002 W07748 RMK: VA NOT OBSD BY STLT DUE TO WX CLD CVR. HWVR VOLC ACT OBSD BY WEBCAM MULT TIMES SINCE 02Z. FL TAKEN FM PREV ADVY. NWP MDLS FCST VA TO MOV WNW BY T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20260517/0915Z
Reventador
Volcán El Reventador is the most frequently active of a chain of Ecuadorian volcanoes in the Cordillera Real, well east of the principal volcanic axis. The forested, dominantly andesitic stratovolcano has 4-km-wide avalanche scarp open to the E formed by edifice collapse. A young, unvegetated, cone rises from the amphitheater floor to a height comparable to the rim. It has been the source of numerous lava flows as well as explosive eruptions visible from Quito, about 90 km ESE. Frequent lahars in this region of heavy rainfall have left extensive deposits on the scarp slope. The largest recorded eruption took place in 2002, producing a 17-km-high eruption column, pyroclastic flows that traveled up to 8 km, and lava flows from summit and flank vents.
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