Popocatepetl volcano news & eruption update

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

Пт, 30 авг 2019, 10:30
10:30 AM | 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 10:16 UTC, 30/08/19 from KNES
VA ADVISORY
DTG: 20190830/1007Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2019/779

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

ERUPTION DETAILS: ONGOING VA EMS.

OBS VA DTG: 30/0956Z

OBS VA CLD: SFC/FL210 N1932 W09954 - N1859 W09838
- N1855 W09842 - N1839 W09957 - N1932 W09954 MOV
W 10-15KT

FCST VA CLD +6HR: 30/1600Z SFC/FL210 NO ASH EXP

FCST VA CLD +12HR: 30/2200Z NO ASH EXP

FCST VA CLD +18HR: 31/0400Z NO ASH EXP

RMK: INTERMITTENT VA PUFFS CONTINUE. VA MOV TO
ABOUT 70 NM W OF SUMMIT BEFORE DISPERSING. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20190830/1600Z

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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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