Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: NEW VA EM OBSD to 20000 ft (6100 m)
The full report is as follows:
FVXX21 at 17:40 UTC, 17/02/21 from KNES
VA ADVISORY
DTG: 20210217/1732Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2021/187
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: NEW VA EM OBSD
OBS VA DTG: 17/1706Z
OBS VA CLD: SFC/FL200 N1909 W09824 - N1908 W09817
- N1903 W09817 - N1903 W09825 - N1909 W09824 MOV
NE 20KT
FCST VA CLD +6HR: SFC/FL200 N1908 W09820 - N1900
W09819 - N1859 W09835 - N1901 W09835 - N1908
W09820
FCST VA CLD +12HR: NO VA EXP
FCST VA CLD +18HR: NO VA EXP
RMK: DISCRETE VA CLD SEEN ON STLT IMAGERY MOV ENE
AWAY FM SUMMIT. VA HEIGHT AND FRCST BASED ON
IMAGERY AND MODEL GUIDANCE. ...KIM
NXT ADVISORY: WILL BE ISSUED BY 20210217/2330Z
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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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