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Zufallsfotos
Satellite images of Popocatepetl volcano (c)Google Earth View
Satellite images of Popocatepetl volcano (c)Google Earth View
Popocatépetl Vulkan
Stratovolcano 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Aktueller Status: Ausbruch (4 von 5)
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Ausbrüche des Popocatépetl:
1345-47, 1354, 1363(?), 1488, 1504, 1509(?), 1512, 1518, 1519-23(?), 1528, 1530, 1539-40, 1542, 1548, 1571, 1580, 1590, 1592-94, 1642, 1663-65, 1666-67, 1697, 1720, 1802-04, 1827(?), 1834(?), 1852(?), 1919-22, 1923-24, 1925-27(?), 1933, 1942-43, 1947, 1994-95, 1996-2003, 2004-ongoing
Typische Aktivität:
Dominantly explosive, construction of lava domes. Plinian eruptions at intervals of several centuries or few thousands of years, vulcanian and strombolian activity in intermittent phases.
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Popocatepetl volcano news & eruption update

Popocatépetl volcano (Mexico) activity update: occasional moderate explosions

Dienstag Jan 26, 2016 20:18 | VON: T

Explosion from Popocatépetl last night (CENAPRED)
Explosion from Popocatépetl last night (CENAPRED)
No significant changes have occurred during the past weeks at the volcano. Magma is slowly rising and growing a flat dome in the inner summit crater. Trapped, pressurized gasses cause small to moderate explosions with more or less intense ash emissions from time to time, typically a few per day:

Unfavorable wind conditions drifted ash plumes over Puebla's airport yesterday, prompting its temporary closure between yesterday afternoon and this morning.
During the past 24 hours, CENAPRED recorded 8 explosions, the strongest of which at 01:50 local time ejected many incandescent bombs to up to 900 m on the NE flank.
Two phases of combined 13 hours of weak, continuous volcanic tremor accompanied the activity. The alert status of the volcano remains unchanged at "yellow phase 2".
Vorherige Nachrichten
Donnerstag, Okt 08, 2015
During 30 September-6 October the seismic network at Popocatépetl recorded 23-142 daily emissions consisting of water vapor, gas, and sometimes ash; cloud cover often prevented visual observations. ... [mehr]
Mittwoch, Sep 23, 2015
CENAPRED reported that during 16-22 September the seismic network at Popocatépetl recorded 15-89 daily emissions consisting of water vapor, gas, and sometimes ash; cloud cover often prevented visual observations. ... [mehr]
Glow from Popocatépetl at night during a phase of more vigorous degassing
Dienstag, Aug 18, 2015
Activity at the volcano, relatively low at the moment, has remained more or less unchanged. Lava is slowly being extruded in the inner summit crater and occasionally produces small explosions and less vigorous degassing events ("exhalations"). ... [mehr]
Ash plume, approx. 2 km tall, from an explosion at Popo this morning and the glow from the active lava dome in its crater (CENAPRED webcam)
Dienstag, Jul 28, 2015
The activity at the volcano has remained more or less unchanged over the past months. During the past days, explosive activity has been a bit higher than average, but alert level remains unchanged at Yelled phase 2. ... [mehr]
Donnerstag, Jun 04, 2015
CENAPRED reported that during 20-26 May the seismic network at Popocatépetl recorded 40-307 daily emissions consisting of water vapor, gas, and sometimes ash; cloud cover often prevented visual observations. ... [mehr]

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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