Popocatepetl volcano news & eruption update
Popocatépetl volcano Volcanic Ash Advisory: REMNANT VA FM EARLIER ERUPTION
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX20 at 00:15 UTC, 01/08/18 from KNES
VA ADVISORY
DTG: 20180801/0010Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426
M]
ADVISORY NR: 2018/294
INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS
VOLCAT.
VOLCANO CAM.
ERUPTION DETAILS: REMNANT VA FM EARLIER
ERUPTION
OBS VA DTG: 31/2357Z
OBS VA CLD: SFC/FL270 N1914 W10211 -
N1914 W10138
- N1851 W10138 - N1852 W10211 - N1914 W10211 MOV
W 15-20KT
FCST VA CLD +6HR: 01/0600Z SFC/FL270 N1901 W10252
- N1839 W10253 -
N1836 W10316 - N1855 W10320 -
N1901 W10252
FCST VA CLD +12HR: 01/1200Z
SFC/FL270 NO ASH EXP
FCST VA CLD +18HR: 01/1800Z NO ASH EXP
RMK:
REMNANT VA FM EARLIER ERUPTION CONT TO MOV
TWD W BUT DIFFICULT TO SEE
FULL EXTENT DUE TO
WX CLDS MOV OVER VA. LATEST NWP MODEL
GUIDANCE
SHOWS A MORE WSW MOV AND THAT INDICATES
VA MAY BE LITTLE LOWER TO
FL270. CURRENTLY NO NEW VA
EMS SEEN IN STLT OR WEB CAM ...KIBLER
NXT
ADVISORY: WILL BE ISSUED BY 20180801/0615Z
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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
