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 Satellite images of Popocatepetl volcano (c)Google Earth View
Stratovolcano 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Aktueller Status: Ausbruch (4 con 5)
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.
Popocatépetl Vulkanreisen: Popocatépetl Volcano Special (tour to see the ongoing eruption of Mexico's most active volcano)
Popocatepetl volcano news & eruption updatePopocatépetl volcano (Central Mexico) activity updateDi, 26. Mär 2013, 16:51 16:51 PM | VON: T  SO2 plume from Popocatépetl (NOAA) Current seismic signal from Popocatépetl
Activity has been showing a weakly increasing trend. Yesterday, the rate of explosions climbs to almost 2 per hour, with the largest ejecting glowing bombs to up to 500 m distance and producing plumes of steam and some ash rising 1.5 km above the crater. Satellite data continue show significant degassing. Today's seismogram shows the strong trace of some of the regional M4-5 earthquakes that hit Mexico today. Vorherige NachrichtenActivity has remained similar to previous weeks. The number of small explosions has risen a bit yesterday (1-2 per hour), and some of them were strong enough to eject glowing bombs to up to 500 m distance from the crater and creating ash plumes rising to about 23,000 ft (7 km) altitude or 1-1.5 km above the crater, drifting east. alles lesenNo big changes in activity have occurred. Emissions of gas-steam-sometimes small amounts of ash have remained less than 1 per hour on average (yesterday). alles lesenThe volcano's activity has stayed rather calm and not changed much. Yesterday, the rate of emissions was down to less than 1 per hour, but seems to have increased a bit today, as the current seismic signal suggests. ... alles lesenNot much has changed overall. Emissions decreased again somewhat (about 2 per hour yesterday), and seismic activity has been weaker today as well. ... alles lesenActivity increased yesterday. CENAPRED reported 95 small to moderate gas-steam-sometimes ash emissions, a 5 times steep increase compared to the previous day. Some explosions ejected incandescent material to up to 500 m distance from the crater, and created ash plumes rising up to about 1 km drifting east. ... alles lesenBackground: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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