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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

Popocatepetl volcano (Central Mexico) activity update

Mittwoch Sep 26, 2012 09:38 | VON: T

Steaming Popocatépetl on 25 Sep
Steaming Popocatépetl on 25 Sep
The number of weak explosions has picked up again with 26 events recorded between 24-25 Sep. Also, yesterday at 11:54 h, an earthquake with magnitude M 1.7 occurred.
During most of the time the volcano is shredded in clouds, but today at dawn one could be seen a little glow on the crater rim and later an emission of water vapor and gas (see image).
Vorherige Nachrichten
View of Popocatépetl this morning
Dienstag, Sep 25, 2012
The frequency of explosions has drastically dropped to only about one every 3-4 hours, but lava glow above the crater and strong SO2 emissions indicate that lava continues slowly to rise at the volcano and build up the lava dome in the crater. [mehr]
SO2 plume from Popocatépetl on 22 Sep 2012 (NOAA)
Sonntag, Sep 23, 2012
Over the past 24 h, only 5 weak explosions were detected from Popocatépetl. The volcano continues to emit a strong steam and SO2 plume, though, sign that activity continues. [mehr]
SO2 plume from Popocatépetl on 21 Sep 2012 (NOAA)
Samstag, Sep 22, 2012
Activity has not changed much during the past days. there are about 1-2 weak mostly steam explosions per hour, the larger of which produce small ash plumes. The volcano is emitting a strong steam and SO2 plume often visible on satellite. Night-time glow above the crater can be observed. [mehr]

Donnerstag, Sep 20, 2012
During the last 24 h, CENAPRED detected 44 weak to moderate explosions, mostly steam and gas emissions, with occasionally small amounts of ash. The most important occurred yesterday at 11:25 h and 22:57 h (see picture), and this morning at 00:14 h. ... [mehr]
Mittwoch, Sep 19, 2012
Over the past 24 h, 46 weak steam and sometimes ash explosions were recorded, the larger ones at 12:24 h, 13:56h, and 20:44 h yesterday and 04:59 h local time today. Crater glow is visible at night. [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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