MEXICO CITY (Reuters) - Mexican authorities raised the alert level for the Popocatepetl volcano near to Mexico City on Monday after it started spewing red-hot fragments of rock.
The lava dome of Popocatepetl, some 50 miles (80 km) to the southeast of the capital, started to expand on Friday, Mexico's National Center for Disaster Prevention said.
This change in activity in the 5,450 meter (17,900 foot) volcano could provoke big explosions capable of sending incandescent fragments out over considerable distances, as well as ash showers, the centre said in a statement.
The centre raised the alert level to yellow phase three from yellow phase two, indicating possible magma expulsion and explosions of increasing intensity. It is the third-highest warning on the centre's seven-step scale.
Emergency services should ready evacuation teams and shelters, limit access to the area around the volcano and alert air-traffic control systems, the centre said in its statement.
Experts have noted increased activity in Popocateptl in 2012. It has spewed smoke and ash sporadically over the last few years and a major eruption in 2000 forced the evacuation of nearly 50,000 residents in three states surrounding the peak.
(Reporting by Elinor Comlay and Armando Tovar; Editor by David Brunnstrom)
Reuters
Comment
May 12th
Starting at 19 h (local time) Friday, activity increased, with the presence of armonic tremor of larger amplitude than that registered in previous days. A 3 km high eruptive column with abundant ash was formed, which was pushed by the prevailing winds towards the northeast. Incandescent ballistic fragments could also be seen reaching half a kilometer above the crater and rolling down the outer slopes of the volcano to distances of up to 1 km. The duration of this eruptive episode was approximately two and a half hours. At the moment of this report, the activity shows a diminishing tendency. The traffic light alert signal remains in Yellow Phase 3
Ah, the video is better. Definitely not birds or rocks.
Maria, what's inside the red circles?
My prayers for the people there .. That looks very ominous!
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