There are some important things and facts about that we have to know about this frightening movments:

1-Unsteady Ground:
Earthquakes happen every day everywhere, an important Earthquak Center in the US, NECIS, locates abot 5o earthquakes every day or about 20.ooo a year.
2- A look at last year:
At least 1,873 deaths worldwide resulted from Earthquakes.
3.The richter scale:
A scientific called Charles Richter developed this scale in 1935 as a mathematical comparation of the size of this earthquakes. The nagnitude is recorded by a seismograph.
4.Historyc Most devastating Quake:
The largest earthquakes registrated ever shakes Chile in 1977. It measured 9.5 on Richter Scale.