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Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: OCNL VA EMS.

Вс, 19 мар 2023, 07:15 07:15 AM | АВТОР: VN
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 22000 футов (6700 m).
Полный отчет выглядит следующим образом:

FVXX20 at 07:00 UTC, 19/03/23 from KNES
VA ADVISORY
DTG: 20230319/0658Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17693 FT [5393 M]

ADVISORY NR: 2023/335

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

ERUPTION DETAILS: OCNL VA EMS.

OBS VA DTG: 19/0631Z

OBS VA CLD: SFC/FL220 N1931 W09736 - N1914 W09731
- N1859 W09837 - N1901 W09838 - N1931 W09736 MOV
NE 20KT

FCST VA CLD +6HR: 19/1230Z SFC/FL220 N1939 W09729
- N1916 W09720 - N1859 W09837 - N1902 W09838 -
N1939 W09729

FCST VA CLD +12HR: 19/1830Z SFC/FL220 N1926
W09723 - N1853 W09722 - N1859 W09837 - N1902
W09838 - N1926 W09723

FCST VA CLD +18HR: 20/0030Z SFC/FL220 N1914
W09720 - N1844 W09722 - N1859 W09837 - N1902
W09838 - N1914 W09720

RMK: NUMEROUS VA CLD OBSD BY STLT AND WEBCAM. VA
CLDS MOVG WNW. NWP MDLS SUGGEST VA CLDS AT FL220
AND FCST WINDS TO VEER AFTER T+6HRS. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20230319/1300Z

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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
Popocatépetl вулкан
Стратовулкан 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Текущее состояние: извергающийся (4 из 5) Popocatépetl Вулкан-извержения:
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
Типичный извержения стиль
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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