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Table 2 Earthquakes affecting the study area during the study period

From: Objective detection of long-term slow slip events along the Nankai Trough using GNSS data (1996–2016)

Date (JST) M Epicenter Before After Stations
June 25, 1997 6.6 Yamaguchi 06/24/1997 (10) 06/26/1997 (10) 5
June–August 2000   northern Izu islands 06/25/2000 (10) 09/01/2000 (10) 140
October 6, 2000 7.3 Tottori 10/05/2000 (10) 10/07/2000 (10) 38
March 24, 2001 6.7 Geiyo 03/23/2001 (10) 03/25/2001 (10) 65
September 5, 2004 7.4 off Kii Peninsula 09/04/2004 (10) 09/07/2004 (10) 508
March 20, 2005 7.0 Fukuoka-oki 03/19/2005 (10) 03/21/2005 (10) 44
August 11, 2009 6.5 Suruga bay 08/09/2009 (10) 08/11/2009 (10) 25
March 11, 2011 9.0 Tohoku-oki 03/10/2011 (10) 03/12/2011 (2) 1239
April 13, 2013 6.3 Awaji 04/11/2013 (10) 04/13/2013 (10) 3
April 16, 2016 7.3 Kumamoto 04/13/2016 (10) 04/17/2016 (2) 187
October 21, 2016 6.6 Tottori 10/20/2016 (10) 10/22/2016 (10) 19
  1. Numbers in parentheses after the dates represent the number of days used for calculating the mean of the coordinates