Popocatepetl volcano news & eruption update
Popocatépetl volcano Volcanic Ash Advisory: NEW VA OBSD
FVXX22 at 17:39 UTC, 23/12/18 from KNES
VA ADVISORY
DTG: 20181223/1737Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426
M]
ADVISORY NR: 2018/581
INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA.
NWP
MODELS. CIMSS VOLCAT.
ERUPTION DETAILS: NEW VA OBSD
OBS VA DTG:
23/1727Z
OBS VA CLD: SFC/FL220 N1937 W09834 - N1931 W09813
- N1902
W09834 - N1902 W09838 - N1937 W09834 MOV
N 10-15KT
FCST VA CLD +6HR:
23/2330Z SFC/FL220 NO ASH EXP
FCST VA CLD +12HR: 24/0530Z NO ASH
EXP
FCST VA CLD +18HR: 24/1130Z NO ASH EXP
RMK: MULTIPLE PUFFS OF VA EM
SEEN MOV NNE AWAY FM
SUMMIT. MODEL GUIDANCE AGREES WITH OBS EMS.
...KIM
NXT ADVISORY: WILL BE ISSUED BY 20181223/2330Z
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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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