Popocatepetl volcano news & eruption update

Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: OCNL LGT VA EMS OBS IN SUMMIT WEBCAM

Пт, 7 мая 2021, 07:45
07:45 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 19000 футов (5800 m).
Полный отчет выглядит следующим образом:

FVXX22 at 07:32 UTC, 07/05/21 from KNES
VA ADVISORY
DTG: 20210507/0728Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/424

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

ERUPTION DETAILS: OCNL LGT VA EMS OBS IN SUMMIT
WEBCAM

OBS VA DTG: 07/0716Z

OBS VA CLD: SFC/FL190 N1907 W09852 - N1903 W09837
- N1858 W09837 - N1855 W09852 - N1907 W09852 MOV
W 10KT

FCST VA CLD +6HR: 07/1330Z SFC/FL190 N1903 W09837
- N1858 W09834 - N1842 W09846 - N1855 W09859 -
N1903 W09837

FCST VA CLD +12HR: 07/1930Z NO VA EXP

FCST VA CLD +18HR: 08/0130Z NO VA EXP

RMK: OCNL LGT VA EMS OBS IN SUMMIT WEBCAM AND
STLT. LOW CONF WITH VAA/VAG DUE TO WX CLDS. VA
HGT/DIR FM STLT AND NWP MDLS SHOWS W-LY TO SW-LY
MOVMT TREND THRU T+6. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210507/1330Z

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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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