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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

Popocatépetl volcano (Central Mexico) activity update: slight increase of activity

Sonntag Sep 16, 2012 12:05 | VON: T

Eruption from Popo early on 15 Sep (CENPARED)
Eruption from Popo early on 15 Sep (CENPARED)
A slight increase of activity can be noted at Popocatépetl volcano. In the latest report from 15 Sep, CENPRED reported 28 explosions during the past 24 hours, i.e. the frequency has more than doubled when compared to last week.
The more energetic explosions were on at 12:36 h, 20:12 h, 22:13 h and 22:47 h local time on 14 Sep and at 06:50 h yesterday, and produced small ash plumes rising up to 1 km.
Episodes of volcanic tremor occurred as well, the observatory notes.
Vorherige Nachrichten
Popo with glow from the summit seen early on 14 Sep (CENAPRED)
Freitag, Sep 14, 2012
Weak steam and sometimes ash explosions continue about every 2-3 hours. Otherwise, a strong steam plume is being emitted and satellite imagery show that there is still a lot of SO2 production from the volcano. At night, glow from the crater is visible, suggesting that the lava dome continues to grow slowly. [mehr]
SO2 plume from Popocatépetl on 11 Sep 2012 (NOAA)
Mittwoch, Sep 12, 2012
A strong SO2 plume could be seen on NOAA's satellite image yesterday. The activity remains stable and at low levels. CENAPRED reports steaming and about 10 small explosions per day. [mehr]
Current seismogram from Popocatépetl
Dienstag, Sep 11, 2012
10 weak explosions were registered during the past 24 hours, but it was not possible to see whether they contained ash. The largest were at 20:01h, 20:42h yesterday and this morning at 10:39h local time. CENAPRED also recorded weak tremor pulses and some small quakes are visible on the current seismogram. [mehr]
Steaming Popocatépetl on 9 Sep
Montag, Sep 10, 2012
No change has occurred at Popo. CENAPRED recorded 28 weak explosions during 24 hours. When the volcano is not hidden in clouds, a strong steam plume is visible. [mehr]
SO2 plume from Popocatépetl on 8 Sep 2012 (NOAA)
Sonntag, Sep 09, 2012
The number of weak steam explosions has increased to slightly more than one per hour again, but direct observations were not possible due to cloud cover. NOAA's satellite images show a significant SO2 plume from the volcano as usual. [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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