Suppl. Material Table S1: This table gives an overview over the source location parameters of the 56 events used in the study. The first column gives the source origin time, while the next 3 column give source latitude, longitude and source depth. The last 2 columns contain the ScP CMB reflection point location as calculated for the 1D Earth model PREM (Dziewonski and Anderson, 1981) Origin Latitude[deg] Longitude[deg] Depth[km] ScPLat[deg] ScPLon[deg] 16-FEB-1996 00:24 -24.128 179.012 551.5 -25.37 166.79 15-APR-1996 13:29 -23.583 179.886 620.9 -25.00 167.73 25-APR-1996 05:50 -22.137 179.197 645.0 -23.85 167.33 30-MAY-1996 06:34 -23.705 178.834 615.4 -25.03 166.81 09-JUN-1996 04:08 -23.116 179.999 578.9 -24.65 167.78 11-JUN-1996 14:29 -24.825 179.938 503.0 -25.96 167.42 14-AUG-1996 12:37 -22.537 179.188 594.0 -24.16 167.18 15-AUG-1996 19:36 -23.943 -179.895 512.5 -25.30 167.67 10-SEP-1996 13:55 -23.673 179.861 575.2 -25.07 167.61 30-OCT-1996 03:09 -23.143 -179.964 565.2 -24.67 167.79 10-NOV-1996 06:26 -23.234 -179.885 581.4 -24.75 167.88 16-NOV-1996 04:41 -23.429 -179.933 550.9 -24.90 167.76 17-NOV-1996 17:35 -24.992 179.670 565.9 -26.06 167.30 29-NOV-1996 18:12 -19.972 179.156 530.0 -22.22 167.24 01-JAN-1997 19:57 -23.739 179.918 600.0 -25.12 167.70 16-JAN-1997 23:00 -23.990 179.720 500.0 -25.31 167.31 02-MAR-1997 08:46 -23.375 179.909 600.0 -24.84 167.73 05-MAR-1997 02:44 -23.272 179.746 550.0 -24.76 167.49 27-MAR-1997 10:02 -23.770 179.914 550.0 -25.15 167.59 09-APR-1997 03:39 -23.837 179.888 550.0 -25.20 167.56 17-JUN-1997 13:52 -23.831 179.990 526.2 -25.21 167.60 18-JUN-1997 02:29 -24.082 178.825 555.3 -25.33 166.64 01-AUG-1997 14:12 -23.430 -179.953 568.5 -24.90 167.78 26-AUG-1997 15:22 -25.472 178.433 610.5 -26.35 166.30 10-SEP-1997 11:11 -23.739 179.810 589.3 -25.12 167.59 07-OCT-1997 04:36 -24.340 -179.922 478.5 -25.60 167.54 25-NOV-1997 11:43 -23.884 -179.983 538.5 -25.25 167.65 09-AUG-1998 20:47 -24.014 -179.957 527.8 -25.35 167.64 08-SEP-1998 21:19 -24.440 179.580 600.0 -25.64 167.35 11-OCT-1998 10:00 -23.810 179.910 543.0 -25.18 167.57 06-NOV-1998 14:43 -23.830 179.930 550.0 -25.20 167.60 21-NOV-1998 09:34 -24.050 179.980 516.0 -25.37 167.56 11-JAN-1999 23:16 -23.530 179.330 600.0 -24.93 167.22 02-FEB-1999 21:59 -24.780 179.410 553.0 -25.89 167.07 01-MAR-1999 11:31 -23.480 179.960 567.0 -24.93 167.69 10-APR-1999 19:31 -23.790 179.990 550.0 -25.17 167.66 21-APR-1999 04:40 -24.030 179.980 521.0 -25.36 167.57 28-JUN-1999 09:34 -23.680 178.940 568.0 -25.03 166.80 04-JUL-1999 09:40 -23.720 180.000 500.0 -25.13 167.57 06-AUG-1999 05:41 -23.650 179.850 550.0 -25.06 167.55 29-AUG-1999 13:30 -23.740 179.740 600.0 -25.11 167.55 30-AUG-1999 19:57 -23.680 179.830 618.0 -25.07 167.67 29-NOV-1999 06:37 -23.360 179.970 571.0 -24.84 167.72 03-JAN-2000 21:33 -24.770 178.650 553.0 -25.84 166.43 17-APR-2000 06:40 -23.150 178.900 600.0 -24.62 166.88 03-MAY-2000 02:51 -23.950 179.830 513.0 -25.29 167.43 20-MAY-2000 09:59 -23.770 179.960 547.0 -25.16 167.63 26-MAY-2000 09:46 -24.410 179.790 550.0 -25.63 167.43 20-JUN-2000 07:40 -22.660 179.130 590.0 -24.26 167.11 21-JUL-2000 06:21 -26.020 179.660 491.0 -26.85 167.05 12-AUG-2000 22:59 -22.410 179.370 603.0 -24.07 167.36 23-OCT-2000 17:50 -24.390 179.910 500.0 -25.63 167.43 23-NOV-2000 06:37 -24.590 179.760 546.0 -25.77 167.38 25-NOV-2000 02:12 -23.760 179.960 519.0 -25.15 167.57 08-DEC-2000 06:18 -24.100 179.800 542.0 -25.40 167.45 24-DEC-2000 17:04 -24.000 179.980 550.0 -25.33 167.63