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Popocatépetl volcano Volcanic Ash Advisory: VA DISP

Ср, 13 сен 2017, 15:15
15:15 PM |
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:

FVXX22 at 15:02 UTC, 13/09/17 from KNES
VA ADVISORY
DTG: 20170913/1500Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426
M]

ADVISORY NR: 2017/084

INFO SOURCE: GOES-EAST. NON-OPERATIONAL
GOES-16.

ERUPTION DETAILS: VA DISP

OBS VA DTG: 13/1430Z

OBS VA CLD: VA
NOT IDENTIFIABLE FROM SATELLITE
DATA.

FCST VA CLD +6HR: NO VA EXP

FCST
VA CLD +12HR: NO VA EXP

FCST VA CLD +18HR: NO VA EXP

RMK: VA HAS DISP.
...TURK

NXT ADVISORY: NO FURTHER ADVISORIES

Предыдущие новости

Wed, 13 Sep 2017, 06:00
Each day during 12-19 September CENAPRED reported 141-299 steam and gas emissions from Popocatépetl. Cloud cover often prevented observations, though gas-and-steam plumes were visible daily. During 12-13 September there were 22 explosions detected, four of which generated emissions with minor amounts of ash and ejected incandescent tephra. ... Read all
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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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