Popocatepetl volcano news & eruption update

Обновленный: 22 сен 2021 07:11 GMT

Popocatépetl volcano Volcanic Ash Advisory: VA EM ARND 17/1740Z

Sat, 17 Feb 2018, 18:15
18:15 PM |
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:

FVXX20 at 18:00 UTC, 17/02/18 from KNES
VA ADVISORY
DTG: 20180217/1758Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426
M]

ADVISORY NR: 2018/104

INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS
VOLCAT.
VOLCANO WEB CAMERA.

ERUPTION DETAILS: VA EM ARND 17/1740Z

OBS
VA DTG: 17/1750Z

OBS VA CLD: SFC/FL200 N1909 W09845 - N1902 W09837
-
N1859 W09837 - N1905 W09849 - N1909 W09845 MOV
NW 10-15KT

FCST VA CLD
+6HR: 18/0000Z SFC/FL200 NO ASH EXP

FCST VA CLD +12HR: 18/0600Z NO ASH
EXP

FCST VA CLD +18HR: 18/1200Z NO ASH EXP

RMK: VA IS SEEN IN STLT
IMAGERY MOV TO THE NW.
MODELS SUGGEST FL200 BASED ON MOV. VA IS
EXPECTED
TO DISP WITHIN 6-HRS. ...WHISNANT

NXT ADVISORY: WILL BE ISSUED
BY 20180218/0000Z

Предыдущие новости

Background:

Обновленный: 22 сен 2021 07:11 GMT

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.


---


Source: GVP, Smithsonian Institution - Popocatepetl information


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