Popocatepetl volcano news & eruption update

Popocatépetl volcano (Central Mexico) activity update

Fri, 17 Jan 2014, 08:11
08:11 AM | BY: T
The volcano's activity, essentially unchanged over the past weeks, has returned to very low levels, with usually less than 5 weak explosive emissions per day. Crater glow remains visible at night, indicating continuing slow lava extrusion.

Previous news

Mon, 13 Jan 2014, 16:17
Small ash emission from Popocatépetl yesterday
Activity at the volcano has increased a bit. The number of steam/gas/sometimes ash emissions rose to 11 (from averages of 2-3). The strongest explosions produced small ash plumes rising up to approx 1 km yesterday. CENAPRED also recorded a small volcano-tectonic earthquake of magnitude 2.3 yesterday. Read all
Thu, 9 Jan 2014, 15:24
Glow from Popocatépetl at night
Volcanic activity remains low. CENAPRED only counts few (2-5) weak explosive emissions per day. Glow and continuous degassing still indicate that magma is being supplied to the crater, and justify the continued alert level Yellow Phase 2. ... Read all
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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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