Japan's MEGAQUAKE - World's Most Devastating Earthquake Of All Time

An earthquake (also called a quake, agitation or temblor ) is the outcome of an abrupt launch of power in the Planet's crust that creates seismic waves. The seismicity, seismism or seismic activity of a location describes the regularity, kind and also size of earthquakes experienced over a time period.
The more numerous quakes smaller sized compared to size 5 reported by national seismological observatories are determined primarily on the regional magnitude scale, likewise referred to as the Richter size scale. Size 3 or reduced quakes are mostly almost invisible or weak and magnitude 7 as well as over possibly trigger severe damage over larger areas, depending on their depth. The most current big quake of size 9.0 or larger was a 9.0 magnitude earthquake in Japan in 2011 (as of March 2014), and it was the largest Japanese quake since records began.