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doublek

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This application displays earthquakes in Japan very graphically. 

Main Features 
*Latest Eq.: 
display latest about 50 earthquakes in Japan 
*Big Eq.(2 years): 
display earthquakes in magnitude 5.5 or more for two years in Japan 
*Major Eq.(1900-) 
display major earthquakes since 1900 in Japan 

How To 
*When each pin is done in the tap, details of the corresponding earthquake are displayed. 
-Upper Left :magnitude of the earthquake(unit-M) 
-Upper Middle:observed maximum seismic intensity 
-Upper Right:the focus(unit-km) 
-Left Lower :time of occurrence of the earthquake 
-Right Lower:Japanese name of the focus(sorry Japanese only) 
*Each pin classifies according to the scale of the earthquake. 
-Over M7.0 :red color pin 
-Over M6.0 :purple color pin 
-Under M6.0:green color pin
With the depth of the focus, opacity is set up in three steps. 
-0~50km:100%
-51~99km:80%
-100km~ or unknown:60%
*The reduced scale changes by Pinch In (Pinch Out) over the map. 
*When the display period is selected, the relevant earthquake's information  are displayed. 

Application Consideartion 
*This application can't display earthquakes in real time. 
*This application uses the information of earthquakes from Japan Weather Association. 
*This application can display the earthquake about 20 min. after the announcement. 
*This application doesn't display the earthquake which detail is unknown. 
*This application displays the depth of a shallow earthquake as 0km. 
*When the earthquakes happened in the same place, each hypocenter information is displayed by tapping the same pin. 
*The information about major earthquakes is referring to the book(science chronology) and the information on Wikipedia.

QuakeJP

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