examen tercer parcial

actividades countable and uncountable

examen segundo parcial

picture uriel galindo mtz

Examen primer parcial

The eruption of chichonal

The chichonal was discovered as a volcano in 1923 by the German biologist Frederick K. Mulleriend. Before the eruption in 1982,  the vulcano had an altitude of 1260 meters, and 1060 after it.

On Sunday March 28, 1982 was registered an earthquake of 3.5 on the Richter scale. It was followed by an eruption that threw rocks and gases to a height of 17 km in the atmosphere. The ash was falling around the volcano. The April 3 around the volcano there was intense seismic activity  that anticipated the arrival of another eruption. In the afternoon the volcano erupted violently for 30 minutes.

It is estimated that the Chichonal threw ten times more ash and gases than the Mount St. Helens in Washington state, USA. UU. The cloud was raised into the stratosphere about 35 km altitude and was extended by worldwide. While the winds blew the ashes to states of  Oaxaca, Veracruz and Puebla and especially in Chiapas, the habitants of the region were evacuating to places more sure, also many roads were closed while the clouds were extending.

It is estimated that the eruption of Chichonal, left more than 2,000 dead. Today, it still is active.