Day 185 of 365
July 4
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Geography The Science of Earthquakes
Earthquakes occur when tectonic plates suddenly slip past each other. The Richter scale measures magnitude logarithmically - each whole number represents 32 times more energy. The largest recorded earthquake, in Chile in 1960, released energy equivalent to 178 billion tons of TNT.
💡 Did you know?
There are about 500,000 detectable earthquakes worldwide each year, but only 100 cause damage!
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