Popocatepetl volcano news & eruption update
Popocatépetl volcano Volcanic Ash Advisory: VA EMS
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX23 at 14:24 UTC, 13/03/18 from KNES
VA ADVISORY
DTG: 20180313/1422Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2018/145
INFO SOURCE: GOES-EAST. RADIOSONDE. NWP MODELS.
CIMSS VOLCAT. VOLCANO WEB CAMERA.
ERUPTION DETAILS: VA EMS
OBS VA DTG: 13/1400Z
OBS VA CLD: SFC/FL200 N1854 W09826 - N1847 W09817
- N1837 W09836 - N1842 W09841 - N1854 W09826 MOV
S 20KT
FCST VA CLD +6HR: 13/2000Z SFC/FL200 NO ASH EXP
FCST VA CLD +12HR: 14/0200Z NO ASH EXP
FCST VA CLD +18HR: 14/0800Z NO ASH EXP
RMK: VA IS SEEN MOV TO THE SSE AND QUICKLY DISP.
MODELS SUGGEST FL200 BASED ON SSE MOV. ...WHISNANT
NXT ADVISORY: WILL BE ISSUED BY 20180313/2015Z
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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
