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

Пт, 27 мар 2020, 00:00 00:00 AM | АВТОР: VN
Спутниковое изображение вулкана Popocatépetl 26 Mar 2020
Спутниковое изображение вулкана Popocatépetl 26 Mar 2020
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 20000 футов (6100 m).
Полный отчет выглядит следующим образом:

FVXX20 at 23:47 UTC, 26/03/20 from KNES
VA ADVISORY
DTG: 20200326/2344Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/330

INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS.
RADIOSONDE.

ERUPTION DETAILS: NEW VA EM.

OBS VA DTG: 26/2320Z

OBS VA CLD: SFC/FL200 N1925 W09847 - N1902 W09836
- N1901 W09839 - N1918 W09857 - N1925 W09847 MOV
NW 10-15KT

FCST VA CLD +6HR: 27/0530Z SFC/FL200 N1925 W09842
- N1901 W09835 - N1900 W09838 - N1920 W09852 -
N1925 W09842

FCST VA CLD +12HR: 27/1130Z SFC/FL200 N1923
W09837 - N1901 W09835 - N1859 W09838 - N1922
W09848 - N1923 W09837

FCST VA CLD +18HR: 27/1730Z NO ASH EXP

RMK: NEW VA EM NOTED IN WEB CAM AND IN IR SLTL
IMAGERY. VA MOV NW OF SUMMIT. INTERMITTENT PUFFS
LIKELY TO CONT GIVEN RECENT PAST HISTORY. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20200327/0545Z

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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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