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Popocatépetl Volcano Volcanic Ash Advisory: MEW VA EMS to 19000 ft (5800 m)

Sun, 12 Sep 2021, 12:30 | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows:

FVXX22 at 12:23 UTC, 12/09/21 from KNES
VA ADVISORY
DTG: 20210912/1221Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/543

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.

ERUPTION DETAILS: MEW VA EMS

OBS VA DTG: 12/1201Z

OBS VA CLD: SFC/FL190 N1911 W09839 - N1901 W09837
- N1901 W09838 - N1910 W09843 - N1911 W09839 MOV
N 5KT

FCST VA CLD +6HR: 12/1800Z SFC/FL190 N1922 W09842
- N1901 W09837 - N1859 W09837 - N1919 W09847 -
N1922 W09842

FCST VA CLD +12HR: 13/0000Z NO VA EXP

FCST VA CLD +18HR: 13/0600Z NO VA EXP

RMK: VA DETECTED ON STLT MOVG NNW OF SUMMIT.
WEBCAM SHOWS VA EMS. NO CHG FCST TO MDL FL WINDS
NXT 6HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210912/1815Z

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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


Satellite images of Popocatepetl volcano (c)Google Earth View
Satellite images of Popocatepetl volcano (c)Google Earth View
Stratovolcano 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Current status: erupting (4 out of 5) Popocatépetl volcano eruptions:
1345-47, 1354, 1363(?), 1488, 1504, 1509(?), 1512, 1518, 1519-23(?), 1528, 1530, 1539-40, 1542, 1548, 1571, 1580, 1590, 1592-94, 1642, 1663-65, 1666-67, 1697, 1720, 1802-04, 1827(?), 1834(?), 1852(?), 1919-22, 1923-24, 1925-27(?), 1933, 1942-43, 1947, 1994-95, 1996-2003, 2004-ongoing
Typical eruption style
Dominantly explosive, construction of lava domes. Plinian eruptions at intervals of several centuries or few thousands of years, vulcanian and strombolian activity in intermittent phases.
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