Popocatepetl volcano news & eruption update
Popocatépetl volcano Volcanic Ash Advisory: REMNANT VA FR EARLIER EM.
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX22 at 20:40 UTC, 09/01/18 from KNES
VA ADVISORY
DTG: 20180109/2037Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL
341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426
M]
ADVISORY NR: 2018/018
INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS
VOLCAT.
VOLCANO WEB CAMERA.
ERUPTION DETAILS: REMNANT VA FR EARLIER
EM.
OBS VA DTG: 09/2017Z
OBS VA CLD: SFC/FL200 N1902 W09844 - N1857
W09842
- N1846 W09858 - N1846 W09900 - N1858 W09857 -
N1902 W09844 MOV
SW 5-10KT
FCST VA CLD +6HR: 10/0230Z SFC/FL200 N1902 W09837
- N1901
W09837 - N1851 W09847 - N1858 W09852 -
N1902 W09837
FCST VA CLD +12HR:
10/0830Z SFC/FL200 N1902
W09837 - N1901 W09837 - N1846 W09852 -
N1856
W09858 - N1902 W09837
FCST VA CLD +18HR: 10/1430Z SFC/FL200 NO
ASH EXP
RMK: REMNANT VA FR ARND 1430Z EM IS BECOMING
DIFFUSE IN VISIBLE
AND RGB IMAGERY. VOLCANO CAM
SHOWS MOSTLY STEAM AND GASES AT THIS
TIME. BASED
ON RECENT ACT AND NWP MODEL GUIDANCE A SW MOV
THROUGH
T+12HRS IS EXPECTED. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY
20180110/0230Z
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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
