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Table 1 Detection results by visual inspection

From: Detection of low-frequency earthquakes by the matched filter technique using the product of mutual information and correlation coefficient

Number of events (not removed by amplitude ratio) Summed CC > 5.0 N.SUKH MICC > 0.35
DLF earthquake 297 (295) 314 (309)
Surface wave 12 (10) 28 (9)
Noise 2 (1) 8 (6)
Regular earthquake, shallow tremor, etc 1 (1) 4 (4)
Total 312 (307) 354 (328)
  1. *Numbers in brackets are the total numbers of detected events after removing the surface-wave misdetections (i.e., the amplitude ratio between the 0- to 10-s and 10- to 20-s intervals after the detection onset is larger than one)