On the 18th, it was introduced that commentary tools known as “pressure gauges”, which have been put in from the Tokai area to Shikoku, will probably be put in for the primary time in Kyushu with a purpose to seize the crustal deformation that results in the Nankai Trough mega-earthquake. After verifying the information, it may be used to offer data on earthquakes that happen alongside the Nankai Trough.