Popocatepetl volcano news & eruption update

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

Сб, 15 фев 2020, 22:45
22:45 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Спутниковое изображение вулкана Popocatépetl 15 Feb 2020
Спутниковое изображение вулкана Popocatépetl 15 Feb 2020
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 22000 футов (6700 m) и движется со скоростью 5-10 узлов в NW направлении.
Полный отчет выглядит следующим образом:

FVXX20 at 22:42 UTC, 15/02/20 from KNES
VA ADVISORY
DTG: 20200215/2240Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/146

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

ERUPTION DETAILS: VA OBS IN STLT

OBS VA DTG: 15/2211Z

OBS VA CLD: SFC/FL220 N1912 W09845 - N1901 W09836
- N1905 W09855 - N1912 W09845 MOV NW 5-10KT

FCST VA CLD +6HR: 16/0400Z SFC/FL220 N1919 W09849
- N1901 W09836 - N1907 W09904 - N1919 W09849

FCST VA CLD +12HR: 16/1000Z SFC/FL220 N1919
W09829 - N1901 W09837 - N1918 W09850 - N1919
W09829

FCST VA CLD +18HR: 16/1600Z SFC/FL220 N1912
W09834 - N1901 W09837 - N1911 W09845 - N1912
W09834

RMK: VA OBS IN STLT AND WEBCAM. WINDS FCST TO
TURN N THROUGH T+12 HRS. FCST MVMT BASED ON NWP
MODEL GDNC. ...RODRIGUEZ

NXT ADVISORY: WILL BE ISSUED BY 20200216/0445Z

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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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