about a landslides

1. Landslides
What is a landslide?
A landslide is a particular type of mass movement. It
consist in the rupture of the surface of a terrain in two
parts: one stable part and another unstable part. The
unstable part collapses from the stable part fastly
across a slope, dragging stones, soil, trees, houses,
etc. That occurs when the community is located along
a pending and the ground is weak. It can be caused
for bad human actions as deforestation and the use of
heavy materials for build the houses in those areas.
This natural phenomenon causes damages like: great
quantity of human losses, destruction of buildings
and disappearance of entire towns, also devastation
and pain in the whole country.

2. ¿What to do Before?
 1) Do not buy or rent batches or buildings in landslide prone
areas ask for secure and legal housing to the appropriate
entities.
 2) Organize preventive actions in case of landslide in the
place where you live, have a meeting point and an
evacuation plan with an effective alarm system.
 3) Take care with the adequate drainage of water lest it filter
into the ground.
 4) Sow plants to strengthen the land and be careful of not
contributing to deforestation.
 5) Have a kit with all the thing necessary and some whistles
and flashlights cannot lack.

3. ¿What to do During?
 1) Leverage the few seconds you have to alert other people.
 2) Avoid the panic, it is your worst enemy.
 3) Evacuate as quickly as possible.
 4) If you can, help children, ancients and disabled persons.

4. Tragedy in the dam of Vajont.
 It was built in 1961, and the landslide happened in
October 9 of 1963.
 It is located 100 kilometers north of Venice, in the
province of Pordenone, Italy.
 Approximately 260 million cubic meters of forest, soil
and rock that fell into the reservoir to about 110 km per
hour.
 The water made a giant wave 250 meters high that
exceeded the retention capacity of the dam.
 This wave mixed with dirt and rocks, destroyed
completely the town of Longarone and small villas Pirago,
Rivalta, Villanova and Faè and killed 2.000 people.