Popocatepetl volcano news & eruption update

Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: ONCL LGT VA EMS OBS IN STLT IMAGERY

Вт, 1 июн 2021, 12:58
12:58 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 19000 футов (5800 m).
Полный отчет выглядит следующим образом:

FVXX24 at 13:01 UTC, 31/05/21 from KNES
VA ADVISORY
DTG: 20210531/1259Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/452

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.

ERUPTION DETAILS: ONCL LGT VA EMS OBS IN STLT
IMAGERY

OBS VA DTG: 31/1246Z

OBS VA CLD: SFC/FL190 N1902 W09838 - N1859 W09836
- N1848 W09843 - N1856 W09852 - N1902 W09838 MOV
SW 10KT

FCST VA CLD +6HR: 31/1900Z SFC/FL190 N1903 W09837
- N1859 W09835 - N1843 W09855 - N1855 W09902 -
N1903 W09837

FCST VA CLD +12HR: 01/0100Z NO VA EXP

FCST VA CLD +18HR: 01/0700Z NO VA EXP

RMK: OCNL LGT VA EMS OBS IN SUMMIT WEBCAM AND
STLT MOVG SW FM SUMMIT. VA HGT/DIR FM STLT/NWP
MLDS WHICH SHOWS SW-LY TO WSW-LY MOVMT TREND THRU
T+6. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210531/1900Z

Предыдущие новости

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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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