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Table 3 Comparison between PDE hypocenters and those of this study

From: Double seismic zone and seismicity in the mantle wedge beneath the Ogasawara Islands identified by an ocean bottom seismometer observation

No. PDE (1) This study (2) Onset time difference (1)–(2) (s) Location difference (1)–(2) (km) Depth difference (1)–(2) (km)
Origin timea (JST) Lat. (N) (°) Long. (E) (°) Depth (km) Magnitude Origin timea (JST) Lat. (N) (°) Long. (E) (°) Depth (km) Magnitude
1 2015/07/20 20:53:12.88 27.50 141.04 103 4.6 2015/07/20 20:53:12.31 27.50 141.25 115 5.1 0.57 23 − 12
2 2015/09/14 12:47:43.35 26.83 141.08 113 4.5 2015/09/14 12:47:43.96 26.75 141.46 126 4.7 − 0.61 43 − 13
  1. aFormat: Year/Month/Day Hour:Minutes:Seconds