Event label Optional label Method/Device Abbreviation O2A Registry URI Date/Time Latitude Longitude Elevation Date/Time end Latitude end Longitude end Elevation end Comment 126-788D Drilling/drill rig DRILL 1989-04-15T03:15:00 30.92200 140.00380 -1113 1989-05-16T12:45:00 16 cores; 154.4 m cored; 0 m drilled; 8 % recovery 126-787 Composite Core COMPCORE 1989-04-23T00:00:00 32.37570 140.74940 -3265 1989-04-27T00:00:00 34 cores; 320.1 m cored; 0 m drilled; 49.9% recovery 126-787A Drilling/drill rig DRILL 1989-04-23T20:10:00 32.37570 140.74940 -3265 1989-04-24T14:55:00 0 cores; 0 m cored; 0 m drilled 126-787B Drilling/drill rig DRILL 1989-04-24T14:55:00 32.37570 140.74940 -3265 1989-04-27T12:00:00 34 cores; 320.1 m cored; 0 m drilled; 49.9 % recovery 126-788 Composite Core COMPCORE 1989-04-28T00:00:00 30.92213 140.00362 -1112.5 1989-05-16T00:00:00 53 cores; 493.8 m cored; 0 m drilled; 32.3% recovery 126-788A Drilling/drill rig DRILL 1989-04-28T09:30:00 30.92200 140.00380 -1111 1989-04-28T22:15:00 5 cores; 45.3 m cored; 0 m drilled; 2.7 % recovery 126-788B Drilling/drill rig DRILL 1989-04-28T22:15:00 30.92250 140.00310 -1113 1989-04-29T03:20:00 4 cores; 35.6 m cored; 0 m drilled; 0 % recovery 126-790 Composite Core COMPCORE 1989-04-29T00:00:00 30.91413 139.84173 -2233.7 1989-05-04T00:00:00 52 cores; 478.4 m cored; 0 m drilled; 52.6% recovery 126-789 Composite Core COMPCORE 1989-04-29T00:00:00 30.92010 139.99750 -1129 1989-04-29T00:00:00 6 cores; 54.1 m cored; 0 m drilled; 0.2% recovery 126-789A Drilling/drill rig DRILL 1989-04-29T04:15:00 30.92010 139.99750 -1129 1989-04-29T13:00:00 6 cores; 54.1 m cored; 0 m drilled; 0.2 % recovery 126-790A Drilling/drill rig DRILL 1989-04-29T15:56:00 30.91540 139.84390 -2233 1989-04-30T06:30:00 4 cores; 37.4 m cored; 0 m drilled; 95.5 % recovery 126-790B Drilling/drill rig DRILL 1989-04-30T06:30:00 30.91610 139.84430 -2234 1989-05-01T11:15:00 15 cores; 138.9 m cored; 0 m drilled; 63.9 % recovery 126-790C Drilling/drill rig DRILL 1989-05-01T11:15:00 30.91090 139.83700 -2234 1989-05-04T07:15:00 33 cores; 302.1 m cored; 0 m drilled; 42.1 % recovery 126-791 Composite Core COMPCORE 1989-05-04T00:00:00 30.91650 139.87010 -2279 1989-05-13T00:00:00 126 cores; 1195.2 m cored; 0 m drilled; 24.6% recovery 126-791A Drilling/drill rig DRILL 1989-05-04T10:38:00 30.91650 139.87010 -2279 1989-05-06T16:45:00 49 cores; 457 m cored; 0 m drilled; 39.4 % recovery 126-791B Drilling/drill rig DRILL 1989-05-06T16:45:00 30.91650 139.87010 -2279 1989-05-13T22:45:00 77 cores; 738.2 m cored; 0 m drilled; 15.5 % recovery 126-788C Drilling/drill rig DRILL 1989-05-14T01:20:00 30.92200 140.00380 -1113 1989-05-15T03:15:00 28 cores; 258.5 m cored; 0 m drilled; 56.5 % recovery 126-792 Composite Core COMPCORE 1989-05-17T00:00:00 32.39928 140.38010 -1798 1989-05-26T00:00:00 101 cores; 965.2 m cored; 0 m drilled; 49.6% recovery 126-792A Drilling/drill rig DRILL 1989-05-17T01:36:00 32.39980 140.38070 -1798 1989-05-17T17:25:00 10 cores; 95 m cored; 0 m drilled; 75.9 % recovery 126-792B Drilling/drill rig DRILL 1989-05-17T17:25:00 32.39980 140.38070 -1798 1989-05-18T08:10:00 11 core; 100.7 m cored; 0 m drilled; 43.3 % recovery 126-792C Drilling/drill rig DRILL 1989-05-18T08:10:00 32.39910 140.38010 -1798 1989-05-18T17:45:00 1 core; 9.6 m cored; 0 m drilled; 6.1 % recovery 126-792D Drilling/drill rig DRILL 1989-05-18T17:45:00 32.39830 140.37970 -1798 1989-05-19T04:55:00 1 core; 9.6 m cored; 0 m drilled; 8.8 % recovery 126-792E Drilling/drill rig DRILL 1989-05-19T04:55:00 32.39940 140.37930 -1798 1989-05-26T06:40:00 78 cores; 750.3 m cored; 0 m drilled; 48.3 % recovery 126-793 Composite Core COMPCORE 1989-05-26T00:00:00 31.10580 140.88815 -2975 1989-06-17T00:00:00 125 cores; 1195.2 m cored; 0 m drilled; 65% recovery 126-793A Drilling/drill rig DRILL 1989-05-26T16:12:00 31.10570 140.88820 -2975 1989-05-27T18:10:00 11 core; 99.7 m cored; 0 m drilled; 79.2 % recovery 126-793B Drilling/drill rig DRILL 1989-05-27T18:10:00 31.10591 140.88810 -2975 1989-06-17T18:55:00 114 cores; 1095.5 m cored; 0 m drilled; 63.7 % recovery