Popocatepetl volcano news & eruption update

Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: FQT EM

Пт, 30 авг 2019, 19:15
19:15 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) и движется со скоростью 10-15 узлов в W направлении.
Полный отчет выглядит следующим образом:

FVXX24 at 19:09 UTC, 30/08/19 from KNES
VA ADVISORY
DTG: 20190830/1907Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2019/781

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

ERUPTION DETAILS: FQT EM

OBS VA DTG: 30/1851Z

OBS VA CLD: SFC/FL210 N1928 W10007 - N1909 W09843
- N1901 W09834 - N1856 W09835 - N1907 W10007 -
N1928 W10007 MOV W 10-15KT

FCST VA CLD +6HR: 31/0100Z SFC/FL210 N1931 W10019
- N1914 W09859 - N1902 W09835 - N1901 W09834 -
N1854 W09834 - N1908 W10023 - N1931 W10019

FCST VA CLD +12HR: 31/0700Z SFC/FL210 N1933
W10017 - N1907 W09834 - N1903 W09833 - N1853
W09835 - N1908 W10022 - N1933 W10017

FCST VA CLD +18HR: 31/1300Z SFC/FL210 N1907
W10031 - N1905 W09835 - N1856 W09834 - N1852
W10030 - N1907 W10031

RMK: BROKEN PLUME OF VA EXT 81 NM W OF THE
SUMMIT. LTLCG EXP OVR NXT 12 HRS. ...TURK

NXT ADVISORY: WILL BE ISSUED BY 20190831/0100Z

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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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