Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: CONTG VA EMS. to 19000 ft (5800 m)
The full report is as follows:
FVXX21 at 10:32 UTC, 27/01/21 from KNES
VA ADVISORY
DTG: 20210127/1031Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2021/120
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 27/1021Z
OBS VA CLD: SFC/FL190 N1934 W09835 - N1932 W09824
- N1901 W09836 - N1902 W09837 - N1934 W09835 MOV
N 10KT
FCST VA CLD +6HR: 27/1630Z SFC/FL190 N1937 W09841
- N1900 W09836 - N1901 W09838 - N1935 W09851 -
N1937 W09841
FCST VA CLD +12HR: 27/2230Z NO VA EXP
FCST VA CLD +18HR: 28/0430Z NO VA EXP
RMK: LGT VA OBS EXT UP TO 35 NM NNE FM SUMMIT. VA
EM ACT DECREASED SINCE PREV VAA. FL MVMT EXP TO
TURN TO NNW BY T+6 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210127/1630Z
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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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