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Popocatepetl Volcano monitoring

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May 24, 2015

May 24 11:00 h (May 24 16:00 GMT)

In the last 24 hours the monitoring system of Popocatépetl volcano registered 56 long period earthquakes (LPs), sometimes followed by low intensity emissions of steam, gas and small amounts of fine ash. Also detected were 2.5 minutes of tremor and two explosions, the first one this morning at 08:52 h (image 1) an the second at 09:53 h (image 2) .

During the night incandescence could be seen over the crater, which increased during the larger exhalations (image 3) At the time of this report there is no visibility towards the volcano due to cloud cover, but earlier this morning it could be seen with a constant emission of steam and gases headed towards the south (imagen 4).

CENAPRED emphasizes that people SHOULD NOT go near the volcano, especially near the crater, due to the hazard caused by ballistic fragments (image 8).

This type of activity is included within the scenarios Volcanic Traffic Light Yellow Phase 2.

The scenarios foreseen for this phase are:

1. Explosive activity of low to intermediate level.

2. Ash fall in nearby towns.

3. Possibility of short range pyroclastic flows and mudflows .

Special emphasis is placed on the following recommendations:

1. Continue the safety radius of 12 km, so staying in that area is not allowed.

2. Keep the controlled traffic between Santiago Xalitzintla and San Pedro Nexapa through Paso de Cortés.

3. Civil Protection authorities, keep your preventive procedures, in accordance with their operational plans.

4. People, be alert to the official information disseminated.

In case of ashfall, address the following recommendations:

• Cover nose and mouth with a wet handkerchief or face mask.

• Clean eyes and throat with pure water.

• Avoid contact lenses to reduce eye irritation.

• Close windows or cover them up, and stay indoors as much as possible.

Popocatepetl Volcano monitoring is performed continuously 24 hours a day. Any change in activity will be reported in due course.