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 SO219A/1-track Underway cruise track measurements CT 2012-03-08T00:00:00 35.41890 139.69000 2012-03-22T00:00:00 35.41890 139.69000 Yokohama - Yokohama GeoB16401-1 Multiple investigations MULT 2012-03-08T19:57:00 37.68906 143.15693 -3270 37.68906 143.15693 -3270 Bad weather conditions, Transit to A3-mapping, EM120 and PS, PE-01_1 SO219A/1_0_Underway-1 ATLAS Parasound P70 Deep-Sea Parametric Sub-Bottom Profiler P70 2012-03-08T19:58:00 2012-03-20T06:33:00 GeoB16402-1 1 CTD/Rosette CTD-RO 2012-03-09T07:25:00 37.69337 143.15563 -3270 37.70210 143.16092 -3270 Down to 2500 m, A3, CTD, CTD-1 GeoB16401-2 Multiple investigations MULT 2012-03-09T10:10:00 37.70267 143.16233 -3270.1 37.70017 143.28333 -3732.9 Transit to A3 start point, EM120 and PS, PE-01_2 GeoB16401-3 2 Multiple investigations MULT 2012-03-09T10:47:00 37.70017 143.28333 -3732.9 37.74983 143.28333 -3508.7 A3-mapping, EM120 and PS, PE-01_3 GeoB16401-4 Multiple investigations MULT 2012-03-09T11:17:00 37.74983 143.28333 -3508.7 38.13200 143.53733 -3782.9 Transit to A1-mapping, EM120 and PS, PE-01_4 GeoB16401-5 3 Multiple investigations MULT 2012-03-09T13:39:00 38.13200 143.53733 -3782.9 38.21283 143.56083 -3439.4 A1-mapping, EM120 and PS, PE-01_5 GeoB16401-6 Multiple investigations MULT 2012-03-09T14:26:00 38.21283 143.56083 -3439.4 38.61583 143.59150 -3173 Transit to A2, EM120 and PS, PE-01_6 GeoB16401-7 4 Multiple investigations MULT 2012-03-09T16:40:00 38.61583 143.59150 -3172.8 38.66517 143.59167 -3220 A2-mapping, EM120 and PS, PE-01_7 GeoB16401-8 Multiple investigations MULT 2012-03-09T17:10:00 38.66517 143.59167 -3220.4 38.74683 143.32738 -2154 Transit to JT2, EM120 and PS, PE-01_8 GeoB16403-1 5 Multiple investigations MULT 2012-03-10T00:00:00 38.74683 143.32738 -2154 38.52380 143.36347 -6290 Line MY101, EM120 and PS, PE-02_1 SO219A_7 7 Remote operated vehicle ROV 2012-03-10T00:40:00 38.75276 143.33151 -2187 38.75290 143.33131 -2187 Dive aborted due to bad weather, JT2, ROV, - GeoB16403-2 Multiple investigations MULT 2012-03-10T09:23:00 38.52380 143.36347 -6290 39.15083 144.27600 -6940 Transit to profile in the north, EM120 and PS, PE-02_2 GeoB16404-1 6 Multiple investigations MULT 2012-03-10T13:14:00 39.15083 144.27600 -6940.5 39.15150 143.63667 -3567 Northern profile, EM120 and PS, PE-03_1 GeoB16404-2 Multiple investigations MULT 2012-03-10T18:00:00 39.15150 143.63667 -3567.2 Transit to JT2, EM120 and PS, PE-03_2 GeoB16404-3 ParaSound PS 2012-03-11T02:10:00 38.75300 143.33133 -2215 38.27833 142.60117 -1265 EM120 has to be repaired, Transit to startpoint of line MY102, PS, PE-03_3 GeoB16405-1 8 Multiple investigations MULT 2012-03-11T06:15:00 38.27833 142.60117 -1265 37.95033 144.78300 -5510 Line MY102 W-E, EM120 and PS, PE-04-1 GeoB16405-2 8 Multiple investigations MULT 2012-03-12T00:15:00 37.95033 144.78300 -5510 Against the waves, very slow, very bad data quality, Line MY102 - opposite direction, EM120 and PS, PE-04_2 GeoB16406-1 9 Multiple investigations MULT 2012-03-13T00:57:00 38.38083 144.18800 -6828.6 38.38083 144.18800 -6829 First part with 6 kn, crossing the trench axis with 4 kn, Middle line W-E, EM120 and PS, PE-05_1 GeoB16406-2 9 Multiple investigations MULT 2012-03-13T08:27:00 38.38083 144.18800 -6828.6 38.48533 142.79767 -1481 First part with 8 kn, from 12:37 UTC on with 6 kn, Middle line-opposite direction, EM120 and PS, PE-05_2 GeoB16406-3 Multiple investigations MULT 2012-03-13T17:47:00 38.48533 142.79767 -1481 38.75243 143.33532 -2192 Transit to JT2, EM120 and PS, PE-05_3 GeoB16407-1 10 Remote operated vehicle ROV 2012-03-13T23:16:00 38.75243 143.33532 -2192 38.75052 143.33178 -2192 Observatory found, now ~60 m SE, seem not to be usable anymore, JT2, ROV, ROV-318 GeoB16408-1 Multiple investigations MULT 2012-03-14T05:23:00 38.75052 143.33178 -2192 39.15367 143.77150 -4492 Transit to Line GeoB16404, EM120 and PS, PE-06_1 GeoB16408-2 11 Multiple investigations MULT 2012-03-14T08:02:00 39.15367 143.77150 -4492 39.15233 142.66683 -1270 Finishing line GeoB16404 to the West, EM120 and PS, PE-06_2 GeoB16408-3 Multiple investigations MULT 2012-03-14T16:47:00 39.15233 142.66683 -1272 39.18523 143.33660 -2675 Transit to JT1, EM120 and PS, PE-06_3 GeoB16409-1 12 CTD/Rosette CTD-RO 2012-03-14T23:40:00 39.18523 143.33660 -2675 39.20292 143.36877 -2700 Down to 2500m, JT1, CTD, CTD-2 GeoB16410-1 Multiple investigations MULT 2012-03-15T02:18:00 39.20292 143.36877 -2700 39.45517 143.07200 Transit to line KR10-12, EM120 and PS, PE-07_1 GeoB16410-2 13 Multiple investigations MULT 2012-03-15T05:20:00 39.45517 143.07200 39.14433 144.44567 -6421 PS crashed between 13:45 and 14:34 UTC, Profile KR10-12, EM120 and PS, PE-07_2 GeoB16410-3 Multiple investigations MULT 2012-03-15T16:34:00 39.14433 144.44567 -6421 39.18060 143.33140 -2696 Strong winds and waves led to very bad data quality. in between stop due to weather, Transit back to JT1, EM120 and PS, PE-07_3 GeoB16411-1 14 Remote operated vehicle ROV 2012-03-16T05:15:00 39.18060 143.33140 -2696 0 Found the observatory, seem to be less damadged, JT1, ROV, ROV-319 GeoB16412-1 Multiple investigations MULT 2012-03-16T13:18:00 39.17748 143.33618 -2691 38.40080 142.81667 -1435 Transit to GJT4, EM120 and PS, PE-08_1 GeoB16413-1 15 Mooring MOOR 2012-03-16T21:00:00 38.40000 142.81667 -1450 38.38848 142.79922 -1437 2 moorings deployed and calibrated successfully, GJT4, Mooring, Mooring GeoB16414-1 16 Multiple investigations MULT 2012-03-17T03:32:00 38.38032 142.80000 -1435 38.24383 142.82400 -1385 After the first line S-N ship on stand by due to weather conditions, GJT4 to P08, EM120 and PS, PE-09_1 GeoB16414-2 17 Multiple investigations MULT 2012-03-17T20:50:00 38.24383 142.82400 -1385 38.28633 142.83850 -1391 Continuation of the profile, 2,5 more lines N-S, P08, EM120 and PS, PE-09_2 GeoB16415-1 18 Ocean Floor Observation System OFOS 2012-03-18T01:25:00 38.28442 142.83153 -1400 38.26222 142.83120 -1375 P08, OFOS, OFOS-1 GeoB16416-1 19 Ocean Floor Observation System OFOS 2012-03-18T07:30:00 38.23300 143.11100 -1800 38.23690 143.18138 -2250 found cracks on the seafloor, close to P10, OFOS, OFOS-2 GeoB16417-1 20 Multiple investigations MULT 2012-03-18T16:22:00 38.21253 143.50197 -3344 38.17667 143.49975 -3400 Two lines completes W-E, A1 area, EM120 and PS, PE-10_1 GeoB16417-2 Multiple investigations MULT 2012-03-19T00:22:00 38.17667 143.49975 -3400 37.66067 142.95700 -2309 Transit to MY103 (southern line), EM120 and PS, PE-10_2 GeoB16418-1 21 Multiple investigations MULT 2012-03-19T07:07:00 37.66067 142.95700 -2309 MY103, EM120 and PS, PE-11_1 GeoB16418-2 Multiple investigations MULT 2012-03-19T18:01:00 37.25650 144.23033 -6094 37.25650 144.23033 -6094 Transit to Yokohama, EM120 and PS, PE-11_2