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Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: NEW LARGE VA EM

Пн, 16 авг 2021, 21:45
21:45 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 24000 футов (7300 m).
Полный отчет выглядит следующим образом:

FVXX22 at 21:40 UTC, 16/08/21 from KNES
VA ADVISORY
DTG: 20210816/2138Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/516

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

ERUPTION DETAILS: NEW LARGE VA EM

OBS VA DTG: 16/2110Z

OBS VA CLD: SFC/FL240 N1914 W09855 - N1913 W09837
- N1853 W09837 - N1853 W09855 - N1914 W09855 MOV
W 10KT

FCST VA CLD +6HR: 17/0300Z SFC/FL240 N1929 W09907
- N1913 W09832 - N1852 W09832 - N1846 W09916 -
N1929 W09907

FCST VA CLD +12HR: 17/0900Z SFC/FL240 N1922
W09840 - N1855 W09835 - N1832 W09909 - N1917
W09937 - N1922 W09840

FCST VA CLD +18HR: 17/1500Z NO VA EXP

RMK: NEW LARGE VA EM OBS FM STLT DATA AND WEBCAM
AND 2107Z SIGMET RPRT MOVG W AT FL240. WINDS FCST
TO SHFT TO THE NW THEN SW THRU T+12. FL AND WINDS
FM SIGMET RPRT AND NWP ...MLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210817/0345Z

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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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