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We Mendoza are used to tremors. What frightens others, we get used to it. A real quickland.

If the lamp moves, it's shaking. If dogs bark a lot, a tremor comes. If my grandmother's left knee hurts, get ready, the earth will move. There are so many signs that we have incorporated in the Mendoza to identify when it will tremble, or if it is shaking at that moment. Mendoza is a quickland par excellence and for us it is already a tradition.

From childhood they warn us about the subject. In schools, earthquake drills are common currency . At least three times a year we make one. The doorbell rings, all standing, hands on the head, and slowly headed towards the yard, away from any structure that could fall down and hurt us.

But not only in schools, universities also prepare students and their staff for such a catastrophe. Even beyond the educational sphere. Companies, shops, public entities, all Mendoza are alert and prepared to act in case of a tremor.

Why we are quickland

Theseismic hazard mapproduced by theNational Institute for Seismic Preventionshows that much of our country presents a high seismic hazard.

The central-west sector (north of Mendoza province and south of San Juan), particularly, is characterized by a very high hazard, which is demonstrated by the constantlow-magnitudeseismic activity and thedestructiveearthquakes that have affected the region throughout of his history. It is true that, due to the location of our country with respect to the boundaries between tectonic plates, earthquakes of greater magnitude (occurring in contacts between two plates) mainly affect Chile. They feel strongly in theCordillera provincesof our country, but without the great damage caused in the neighboring country.

Destructive earthquakes throughout history

The most destructive percentage earthquake in all Argentine history occurred on March 20, 1861, when Mendoza was, for long seconds, a real moving land. It destroyed the city and neighboring departments, left a toll of 6 thousand deaths out of a total population of 18 thousand inhabitants.Its intensity was 9 degrees Mercalli. It is important to note that, at that time, there were no seismic constructions and the materials used were not resistant. The earthquake served to rethink the territorial planning of the city and take it, in its reconstruction, to the south west from where it was located.

On 01.30 August 19, 1880, the second most intense earthquake was recorded after the 1861earthquake. It affected the City of Mendoza with the collapse of walls and the fall of cornices. At the bottom of the “Peach” in Tunuyán, a 14-year-old boy died from the collapse of a wall. The intensity of the earthquake was 7 degrees Mercalli.

The crack of the 29th

In 1929 there were two strong earthquakes.The first occurred on 23 May and shook the provincial capital and the department of Godoy Cruz . It produced cracking of walls and falls of walls. It caused panic in the population, but not fatal victims. It was felt throughout the Cuyo region and its intensity was 6 degrees on the Mercalli scale.

The second happened a week later, on May 30, 1929. It destroyed the buildings of Colonia Las Malvinas and Villa Atuel, in the department of San Rafael. Thirty people were killed and numerous injuries were reported. The earthquake was observed north of San Juan, east of Buenos Aires and south of Neuquén and Río Black. Its intensity was 8 degrees Mercalli.

Finally, on 26 January 1985 there was an intense earthquake that caused considerable damage to several departments of Gran Mendoza. Godoy Cruz and Las Heras were the most affected, where considerable destruction was observed, especially in old adobe or brick constructions. Few casualties and injuries were reported. The intensity was 8 degrees Mercalli, making Mendoza a quickland again.

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