Popocatepetl volcano news & eruption update

Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: REMNANT VA PSBL

Сб, 11 сен 2021, 21:00
21:00 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 21000 футов (6400 m) и движется со скоростью 10 узлов в N направлении.
Полный отчет выглядит следующим образом:

FVXX22 at 20:56 UTC, 11/09/21 from KNES
VA ADVISORY
DTG: 20210911/2052Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/541

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.

ERUPTION DETAILS: REMNANT VA PSBL

OBS VA DTG: 11/2026Z

OBS VA CLD: SFC/FL210 N1931 W09843 - N1929 W09820
- N1902 W09837 - N1931 W09843 MOV N 10KT

FCST VA CLD +6HR: 12/0230Z NO VA EXP

FCST VA CLD +12HR: 12/0830Z NO VA EXP

FCST VA CLD +18HR: 12/1430Z NO VA EXP

RMK: REMNANT VA PSBL FM 11/1600Z EMS. VA WAS OBS
MOV N TO NNE FM SUMMIT AND HAS BEGUN TO DISP IN
STLT IMAGERY. REMNANT VA STILL PSBL N TO NNE FM
SUMMIT. CURRENT VO ACT LOW TO MODERATE. ...FISHER

NXT ADVISORY: WILL BE ISSUED BY 20210912/0245Z
000000600
246
NNCNC01 EGRR 112100
03488 444 00237 1017620000=
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247

NCNC01 EGRR 112100
03529 444 00225 10142 0000=
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NCNC01 EGRR 112100
03544 444 00213 10162 2999=
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NCNC01 EGRR 112100
03210 444 00172 10134 2002=
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NCNC01 EGRR 112100
03876 444 00216 10155 2000=
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21

NCNC01 EGRR 112100
03062 444 00162 10124 2000=
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225

NCNC01 EGRR 112100
03503 444 00180 10146 29999
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2553
NCNC01 EGRR 112100
03281 444 00197 10117 20000=0000006300
2544
NCNC01 EGRR 112100
03649 444 00218 10143 20000=
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255

NCNC01 EGRR 112100
03068 444 00158 10129 20034=
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NCNC01 EGRR 112100
03047 444 00150 10114 29999=
00006300
257
NNNCNC01 EGRR 112100
03907 444 00152 10123 20008=
000006300
258
NNCNC01 EGRR 112100
03410 444 00167 10126 20000=
000006300
259
NNCNC01 EGRR 112100
03225 444 00180 10088 20000=
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260
NNCNC01 EGRR 112100
03292 444 00233 10148 20000=
000006300
261
NNCNC01 EGRR 112100
03684 444 00233 1016820000==

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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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