Argentina regularly receives cold air from the south that can reach low latitudes owing to the influence of the Andes. Cold waves are often accompanied with severe snow storms or extremely cold conditions that can have a devastating impact on its economy.
The Richter Scale measures the magnitude of an earthquake which is  another way of describing the energy released in the earthquake.
The Richter Scale is designed to allow easier comparison of earthquake magnitudes, regardless of the location. C.F.Richter was a geologist living and working in California, U.S.A, an area subjected to hundreds of 'quakes every year.