| Budget Amount *help |
¥47,970,000 (Direct Cost: ¥36,900,000、Indirect Cost: ¥11,070,000)
Fiscal Year 2015: ¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
Fiscal Year 2014: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2013: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
Fiscal Year 2012: ¥10,920,000 (Direct Cost: ¥8,400,000、Indirect Cost: ¥2,520,000)
Fiscal Year 2011: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
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| Outline of Final Research Achievements |
We detected deep tectonic tremors and related phenomena in many regions worldwide, and analyzed their statistical characteristics. The resultant catalog is distributed through the Internet. We confirmed that tremor and background slow slip are consistent with tectonic plate motion and discussed regional difference of statistical characteristics. Especially, the tidal response of tremors is strong and found to be useful to constrain frictional properties on the plate interface. The 2011 Tohoku-Oki earthquake was another important study target. We revealed its hierarchical rupture process and numerically modeled it based on regional historical seismicity. We also analyzed seismicity in world subduction zones and found some important relationship between seismicity parameters and regional tectonic properties.
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