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 aftermath of an earthquake, Golcuk, Western Turkey. The power of an earthquake is measured using a seismometer. A seismometer detects the vibrations caused by an earthquake. It plots these vibrations on a seismograph. The strength, or magnitude, of an earthquake is measured using the Richter scale. The Richter scale is numbered 0-10. 1  Earthquakes measuring just one or two on the scale are very common and can happen everyday in places like San Francisco. 2  These earthquakes are so small that people cannot feel them, they can only be picked up by a seismometer.