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

Сб, 28 мар 2020, 22:00 22:00 PM | АВТОР: VN
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 21:58 UTC, 28/03/20 from KNES
VA ADVISORY
DTG: 20200328/2155Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/340

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

ERUPTION DETAILS: CONS VA EMS.

OBS VA DTG: 28/2141Z

OBS VA CLD: SFC/FL200 N1937 W09908 - N1902 W09838
- N1910 W09904 - N1935 W09916 - N1937 W09908 MOV
NW 10-15KT SFC/FL220 N1920 W09846 - N1902 W09838
- N1902 W09838 - N1918 W09856 - N1920 W09846 MOV
NW 10-15KT

FCST VA CLD +6HR: 29/0330Z SFC/FL200 N1940 W09907
- N1902 W09838 - N1909 W09901 - N1932 W09914 -
N1940 W09907 SFC/FL220 N1935 W09851 - N1902
W09837 - N1902 W09838 - N1929 W09902 - N1935
W09851

FCST VA CLD +12HR: 29/0930Z SFC/FL200 N1947
W09842 - N1901 W09837 - N1901 W09837 - N1946
W09908 - N1947 W09842 SFC/FL220 NO ASH EXP

FCST VA CLD +18HR: 29/1530Z SFC/FL200 N1944
W09852 - N1901 W09836 - N1900 W09837 - N1939
W09906 - N1944 W09852

RMK: CONS VA EMS EXTD ABT 50 NMI NW OF SUMMIT AND
THINNING OUT. DISCRETE VA EM AT 2020Z NOW 22 NMI
NNW OF SUMMIT. NWP MDLS FCST LTLCG IN WINDS THRU
T+6 THEN WIND SHIFT MOVG VA NNW AT FL200 BY T+12.
...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20200329/0400Z

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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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