Popocatepetl volcano news & eruption update

Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: ONGOING VA EMS

Сб, 31 авг 2019, 15:15
15:15 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 21000 футов (6400 m).
Полный отчет выглядит следующим образом:

FVXX24 at 14:59 UTC, 31/08/19 from KNES
VA ADVISORY
DTG: 20190831/1457Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2019/785

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

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 31/1446Z

OBS VA CLD: SFC/FL210 N1932 W09952 - N1905 W09837
- N1859 W09838 - N1856 W09955 - N1932 W09952 MOV
W 10-15KT

FCST VA CLD +6HR: 31/2100Z SFC/FL210 N1934 W09955
- N1906 W09838 - N1859 W09835 - N1849 W09958 -
N1934 W09955

FCST VA CLD +12HR: 01/0300Z SFC/FL210 N1935
W09956 - N1906 W09837 - N1859 W09838 - N1849
W09959 - N1935 W09956

FCST VA CLD +18HR: 01/0900Z SFC/FL210 N1934
W09955 - N1905 W09837 - N1900 W09837 - N1850
W09959 - N1934 W09955

RMK: CONT PUFFS OF DARK GRAY VA CAN BE SEEN IN
STLT IMGARY AND ON WEBCAM. VA EXTD WNW UP TO 90NM
FM THE SUMMIT. NWP MDL INDICATES A CONT W MOV
THRU +18HRS. ...ZHU

NXT ADVISORY: WILL BE ISSUED BY 20190831/2100Z

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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


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