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Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: VA EM OBS IN STLT.

Сб, 28 мар 2020, 14:45 14:45 PM | 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 14:29 UTC, 28/03/20 from KNES
VA ADVISORY
DTG: 20200328/1428Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/338

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

ERUPTION DETAILS: VA EM OBS IN STLT.

OBS VA DTG: 28/1416Z

OBS VA CLD: SFC/FL220 N1944 W09859 - N1902 W09836
- N1900 W09838 - N1940 W09913 - N1944 W09859 MOV
NW 20-25KT

FCST VA CLD +6HR: 28/2030Z SFC/FL220 N1937 W09855
- N1901 W09837 - N1901 W09838 - N1931 W09905 -
N1937 W09855

FCST VA CLD +12HR: 29/0230Z SFC/FL220 N1931
W09848 - N1901 W09837 - N1901 W09837 - N1926
W09857 - N1931 W09848

FCST VA CLD +18HR: 29/0830Z NO ASH EXP

RMK: VA EM OBS IN WEBCAM AND STLT MOV NW OF
SUMMIT APRX 50 NM PRIOR TO DSIPTG. INTMT PUFFS OF
VA EM OBS IN WEBCAM. FL AND FCST BASED ON NWP
MODEL GDNC. ...LEVINE

NXT ADVISORY: WILL BE ISSUED BY 20200328/2030Z

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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.


---


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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