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Significance test for seismicity rate changes before the 1987 Chiba-toho-oki earthquake (M 6.7) Japan
quiescence seismicity rate increasa quantitative analysis significance test the 1987 Chiba-toho-oki earthquake
2015/9/30
A precursory seismic quiescence lasting 1.5 ± 0.5 years was observed prior to the 1987 M 6.7 Chiba-toho-oki earthquake, Central Japan. This event was the largest mainshock to occur in the region in 60...