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Popocatépetl Volcano Volcanic Ash Advisory: OCNL EM to 19000 ft (5800 m)

Sat, 3 Oct 2020, 17:30 | 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 17:26 UTC, 03/10/20 from KNES
VA ADVISORY
DTG: 20201003/1724Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/865

INFO SOURCE: GOES-EAST. NWP MODELS.

ERUPTION DETAILS: OCNL EM

OBS VA DTG: 03/1711Z

OBS VA CLD: SFC/FL190 N1952 W09950 - N1943 W09952
- N1943 W10000 - N1951 W10000 - N1952 W09950 MOV
NW 5-10KT

FCST VA CLD +6HR: 03/2300Z NO VA EXP

FCST VA CLD +12HR: 04/0500Z NO VA EXP

FCST VA CLD +18HR: 04/1100Z NO VA EXP

RMK: A SMALL, DIFFUSE REMNANT VA CLD CENTERED 90
NM NW OF THE SUMMIT IS DISP. NEW EM FCST BY NWP
MODELS TO MOV NNW OR N ...TURK

NXT ADVISORY: WILL BE ISSUED BY 20201003/2330Z

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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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