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Popocatepetl Volcano Alert Level Raised

Posted by feww on July 7, 2013

Popocatepetl peppers Mexico City with ash, airlines suspend flights

Increased level of explosive activity at Popocatepetl prompts Mexican authorities to raise the volcano warning to the third-highest level on the center’s seven-step scale.

Several airlines have reportedly suspended flights into Mexico City after ash from the massive volcano fell on the the capital and nearby towns.

Popocatepetl ejects volcanic blocks, July 5, 2013. Source: CENAPRED

Latest Bulletin:  July 06 15:00 h (July 05, 20:00 GMT)

Because of the increased activity of the Popocatepetl volcano, the National Coordination of Civil Protection (CNPC) of the Ministry of Interior (SEGOB), the National Center for Disaster Prevention (CENAPRED) and Scientific Advisory Committee determined in agreement, to raise the volcanic alert level from yellow phase 2 to yellow phase 3.

The Volcanic Alert Level is at Yellow, Phase 3.

p0705139 - 2
Explosive activity at Popocatepetl summit crater-
July 5, 2013. Source: CENAPRED

activity at Popocatepetl, viewed from TLAMACAS station –  July 5, 2013.  Popocatépetl Volcano (“smoking mountain” in Aztec) is North America’s 2nd-highest volcano. The massive stratovolcano stands 5,450m high and lies about 65 kilometers (40 miles)  southeast of  Mexico City (19.023°N, 98.622°W ) in the eastern segment of the Trans-Mexican volcanic belt. Mexico’s Center for Disaster Prevention (CENAPRED) has warned of large scale explosions, with high probability of  incendiary fragments and ash showers. Image source:  CENAPRED, Mexico.

Earlier bulletin  177 SEGOB – Posted July 06 11:00 h (July 05, 16:00 GMT)

In the last 24 hours monitoring system Popocatepetl volcano has registered 20 hours and low to high frequency tremor, accompanied by a persistent emission of a column of gas and ash that reached 3 kilometer height, northwest direction. Additionally the monitoring system has registered 4 hours of high intensity harmonic tremor. There were also 3 explosive events of moderate magnitude, the most important of which was presented this morning at 00:33 h. Due to weather conditions due to the weather it was not possible to observe the volcano during these events. However, in the early hours of the morning the continuous emission of gases and ash that reached more than 2 miles high and heading northwest was observed. (see image 1).

The Volcanic Alert Level is at Yellow, Phase 2.

CENAPRED places particular emphasis in the following recommendations:

1. Access is restricted within a radius of 12 km from the crater. Permanence in this area is not allowed.

2. The road between Santiago Xalitzintla (Puebla) and San Pedro Nexapa (Mexico State), including Paso de Cortes, is open only to controlled traffic.


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