Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: CONS VA EMS to 20000 ft (6100 m)
The full report is as follows:
FVXX21 at 16:56 UTC, 09/01/21 from KNES
VA ADVISORY
DTG: 20210109/1653Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2021/040
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 09/1636Z
OBS VA CLD: SFC/FL200 N1908 W09810 - N1904 W09809
- N1900 W09836 - N1902 W09837 - N1908 W09810 MOV
E 25KT
FCST VA CLD +6HR: 09/2230Z SFC/FL200 N1909 W09758
- N1904 W09758 - N1902 W09837 - N1909 W09758
FCST VA CLD +12HR: 10/0430Z SFC/FL200 N1911
W09749 - N1904 W09748 - N1900 W09837 - N1901
W09837 - N1911 W09749
FCST VA CLD +18HR: 10/1030Z NO VA EXP
RMK: THIN VA PLUME DETECTED ON STLT MOVG E OF
SUMMIT. WEBCAM SHOWS VA CLRLY. NWP MDL WINDS NO
CHG IN DIR WITH INCR IN SPD NXT 12 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20210109/2300Z
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Background:
Volcán Popocatépetl, whose name is the Aztec word for smoking mountain, towers to 5426 m 70 km SE of Mexico City to form North America's 2nd-highest volcano. The glacier-clad stratovolcano contains a steep-walled, 250-450 m deep crater. The generally symmetrical volcano is modified by the sharp-peaked Ventorrillo on the NW, a remnant of an earlier volcano.
At least three previous major cones were destroyed by gravitational failure during the Pleistocene, producing massive debris-avalanche deposits covering broad areas south of the volcano. The modern volcano was constructed to the south of the late-Pleistocene to Holocene El Fraile cone. Three major plinian eruptions, the most recent of which took place about 800 AD, have occurred from Popocatépetl since the mid Holocene, accompanied by pyroclastic flows and voluminous lahars that swept basins below the volcano. Frequent historical eruptions, first recorded in Aztec codices, have occurred since precolumbian time.
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Source: GVP, Smithsonian Institution - Popocatepetl information
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