2005.12.12 5:13
We just had an earthquake here in Fukuoka this year. Magnitude shows the strength of the earthquake, and where the epicentre of the earthquake -whether it is in the midst of the city or off the shore, and Richter scale- that indicates the degree of destruction, are also important as well. To know magnitude accurately is the very beginning of the first step to know how the earthquake is and we know how beneficial if the early warning system will be well arranged.
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