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 MSM86_0_Underway-2 Swath-mapping system Simrad EM122 (Kongsberg Maritime AS) 2019-08-18T15:22:52 78.12750 10.85980 2019-08-18T15:52:51 78.16140 10.71490 Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg EM 122 multibeam echosounder during cruise MSM86 MSM86_001-1 Remote operated vehicle ROV 2019-08-19T06:20:00 79.00558 6.90839 -1205 2019-08-19T06:55:00 79.00559 6.90840 -1206 Aborted due to technical problems MSM86_001-2 Television-Grab TVG 2019-08-19T11:36:00 79.00614 6.90517 -1213 2019-08-19T13:34:00 79.00625 6.90428 -1213 TV-Grab used with hooks to salvage Measurinq platform of Cruise MSM57 MSM86_001-3 Remote operated vehicle ROV 2019-08-19T13:58:00 79.00650 6.90471 -1213 2019-08-19T14:21:00 79.00650 6.90473 -1213 Dive aborted due to technical problems MSM86_002 Dive_040 Remote operated vehicle ROV 2019-08-19T19:24:00 79.00657 6.90514 -1212 2019-08-19T23:30:00 79.00680 6.90272 -1210 ROV used to salvage SonarCork MSM86_003 CTD/Rosette CTD-RO 2019-08-21T00:24:00 74.54151 -3.24443 -3601 2019-08-21T02:37:00 74.54153 -3.24448 -3601 MSM86_004 Multibeam echosounder MBES 2019-08-21T02:58:00 74.54078 -3.24802 -3600 2019-08-21T18:12:00 73.38301 -9.22604 -2552 Transit to Vesteris MSM86_005 Television-Grab TVG 2019-08-21T18:49:00 73.36764 -9.39345 -1884 2019-08-21T20:39:00 73.36910 -9.39274 -1887 black, fine basaltic lava MSM86_006 Television-Grab TVG 2019-08-21T21:31:00 73.40116 -9.37656 -2385 2019-08-21T23:28:00 73.40131 -9.37608 -2349 porphyritic basalt MSM86_007 Television-Grab TVG 2019-08-22T00:07:00 73.44067 -9.26604 -977 2019-08-22T01:23:00 73.44114 -9.26605 -986 fine grained sand, black vesicular lava MSM86_008 Television-Grab TVG 2019-08-22T01:56:00 73.45152 -9.26266 -979 2019-08-22T02:58:00 73.45152 -9.26153 -952 black, glassy scoria MSM86_009 Television-Grab TVG 2019-08-22T03:37:00 73.46400 -9.26355 -738 2019-08-22T04:23:00 73.46397 -9.26353 -724 pillow lava MSM86_010 Dive_041 Remote operated vehicle ROV 2019-08-22T05:24:00 73.50951 -9.14479 -603 2019-08-22T14:36:00 73.51067 -9.14887 -529 sponges, pillow lava, lapilli MSM86_011 Television-Grab TVG 2019-08-22T15:34:00 73.61406 -9.03518 -1791 2019-08-22T17:07:00 73.61407 -9.03497 -1777 lava balloon, glassy pillow lava rim, fine-qrained mud to silt MSM86_012 Television-Grab TVG 2019-08-22T17:48:00 73.58935 -9.03954 -1399 2019-08-22T19:29:00 73.58920 -9.03952 -1408 aphyritic lava, rarely small crystals MSM86_013 Television-Grab TVG 2019-08-22T20:15:00 73.56911 -9.05906 -857 2019-08-22T21:22:00 73.56894 -9.05912 -843 black, vesicular fine-grained basalt, scoria, lapilli MSM86_014 Television-Grab TVG 2019-08-22T22:21:00 73.55785 -9.08094 -604 2019-08-22T23:25:00 73.55768 -9.08093 -606 black, glassy basalt MSM86_015 Television-Grab TVG 2019-08-22T23:52:00 73.54604 -9.07297 -302 2019-08-22T00:27:00 73.54594 -9.07323 -297 lapilli, black, glassy lava pieces MSM86_016 CTD/Rosette CTD-RO 2019-08-23T01:22:00 73.65001 -9.08253 -2922 2019-08-23T03:13:00 73.65000 -9.08261 -2921 MSM86_017 Multibeam echosounder MBES 2019-08-23T04:02:00 73.73011 -8.89096 -3084 2019-08-23T11:15:00 73.63283 -9.07580 -2707 MSM86_018 Remote operated vehicle ROV 2019-08-23T12:07:00 73.51812 -9.14594 -295 2019-08-23T12:20:00 73.51814 -9.14601 -298 test run MSM86_019 Television-Grab TVG 2019-08-23T13:20:00 73.48895 -8.96878 -1612 2019-08-23T14:38:00 73.48899 -8.96889 -1591 unconsolidated sediment, clasts of black vulcanite MSM86_020 Television-Grab TVG 2019-08-23T17:01:00 73.50297 -9.00734 -1142 2019-08-23T18:05:00 73.50302 -9.00761 -1149 black, glasy lava flow MSM86_021 Television-Grab TVG 2019-08-23T18:26:00 73.50845 -9.02685 -962 2019-08-23T19:46:00 73.50856 -9.02755 -957 black, vesicular and glassy lava flow MSM86_022 Television-Grab TVG 2019-08-23T20:22:00 73.52166 -9.09031 -359 2019-08-23T21:18:00 73.52173 -9.09097 -357 black to brown sediment MSM86_023 Multibeam echosounder MBES 2019-08-23T22:16:00 73.62973 -9.08799 -2698 2019-08-23T05:29:00 73.46132 -9.36435 -1914 end 24.08.2019 MSM86_0_Underway-1 Swath-mapping system Simrad EM712 (Kongsberg Maritime AS) 2019-08-24T00:49:23 73.59640 -9.02180 2019-08-24T01:19:18 73.56380 -9.15210 Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg EM 712 multibeam echosounder during cruise MSM86 MSM86_024 Multibeam echosounder MBES 2019-08-24T08:52:00 73.46498 -9.34959 -1787 2019-08-24T14:02:00 73.47471 -9.10021 -1645 MSM86_025 Television-Grab TVG 2019-08-24T14:37:00 73.51403 -9.32649 -1049 2019-08-24T15:51:00 73.51409 -9.32590 -1062 rounded dropstones (gneiss?), black fine-grained to glassy volcanic pieces, muddy brown sediment MSM86_026 Television-Grab TVG 2019-08-24T16:28:00 73.54340 -9.27827 -1092 2019-08-24T17:49:00 73.54332 -9.27871 -1076 porphyritic lava with diverse matrix MSM86_027 Television-Grab TVG 2019-08-24T18:22:00 73.54501 -9.23390 -955 2019-08-24T19:32:00 73.54458 -9.23746 -951 mafic, vesicular rock MSM86_028 Television-Grab TVG 2019-08-24T20:02:00 73.53256 -9.22098 -555 2019-08-24T20:56:00 73.53219 -9.22103 -575 black, porphyritic/glassy, vesicular lava. Volcanoclastic, layered rock MSM86_029 Television-Grab TVG 2019-08-24T21:38:00 73.51823 -9.14617 -306 2019-08-24T22:20:00 73.51832 -9.14612 -304 porphyritic lava with glassy matrix, lapilli MSM86_030 Multibeam echosounder MBES 2019-08-24T22:50:00 73.47616 -9.09728 -1603 2019-08-24T07:14:00 73.45209 -8.78290 -2856 end 25.08.2019 MSM86_031 Television-Grab TVG 2019-08-25T08:05:00 73.52721 -9.11677 -163 2019-08-25T09:09:00 73.52723 -9.11682 -162 Sediment with biomass MSM86_032 Television-Grab TVG 2019-08-25T09:47:00 73.51945 -9.16000 -139 2019-08-25T10:15:00 73.51920 -9.15934 -148 volcanoclastic breccia. Black, finegrained. vesicular, porphyritic lava with altered phenocrysts MSM86_033 Television-Grab TVG 2019-08-25T11:00:00 73.53603 -9.25582 -944 2019-08-25T12:26:00 73.53586 -9.25482 -937 Glassy & porphyritic, vesicular lava. Fine layered sedimentary rock. MSM86_034 Television-Grab TVG 2019-08-25T12:56:00 73.51732 -9.25868 -765 2019-08-25T13:53:00 73.51708 -9.25845 -751 dark, grey, fine-grained lava MSM86_035 Television-Grab TVG 2019-08-25T14:28:00 73.51846 -9.21787 -352 2019-08-25T15:02:00 73.51846 -9.21757 -352 very mafic lava MSM86_036 Television-Grab TVG 2019-08-25T15:31:00 73.52467 -9.19378 -255 2019-08-25T16:31:00 73.52444 -9.19345 -257 black to grey sediment MSM86_037 Multibeam echosounder MBES 2019-08-25T17:52:00 73.59033 -8.98336 -1730 2019-08-25T08:26:00 73.51764 -9.20658 -343 MSM86_038 Television-Grab TVG 2019-08-26T08:59:00 73.51181 -9.17135 -226 2019-08-26T09:38:00 73.51175 -9.17134 -222 hydroclastic sediment. Dropstone MSM86_039 Television-Grab TVG 2019-08-26T10:37:00 73.50567 -9.19466 -279 2019-08-26T11:22:00 73.50563 -9.19370 -279 black, fine-grained basalt. Black to brown sediment with shells and lapilli MSM86_040 Television-Grab TVG 2019-08-26T12:03:00 73.49204 -9.26731 -993 2019-08-26T13:05:00 73.49204 -9.26639 -983 black, glassy and fine-grained, vesicular basalt and scoria. Porphyritic and glassy lava. Lapilli MSM86_041 Television-Grab TVG 2019-08-26T13:33:00 73.49056 -9.23964 -517 2019-08-26T14:36:00 73.49042 -9.23958 -517 fresh lava with vesicle bands and glassy crust. Few phenocrysts, pipe vesicles, scoria MSM86_042 Multibeam echosounder MBES 2019-08-26T15:34:00 73.49014 -9.23944 -523 2019-08-26T01:05:00 72.48833 -11.85730 -2308 End 27.08.2019, Transit from vesteris to Southern Seamount MSM86_043 CTD/Rosette CTD-RO 2019-08-27T01:14:00 72.48449 -11.86203 -2316 2019-08-27T02:44:00 72.48449 -11.86206 -2312 MSM86_044 Multibeam echosounder MBES 2019-08-27T03:12:00 72.48418 -11.77390 -2218 2019-08-27T07:41:00 72.34300 -11.69505 -1927 MSM86_045 Television-Grab TVG 2019-08-28T08:10:00 72.37381 -11.65380 -740 2019-08-28T09:35:00 72.37360 -11.65234 -704 dark grey, reddish lava, manganese crusts, sediment MSM86_046 Television-Grab TVG 2019-08-28T10:35:00 72.37985 -11.55553 -551 2019-08-28T11:27:00 72.38015 -11.55470 -533 black, fine-grained lava, dropstones MSM86_047 Television-Grab TVG 2019-08-28T12:16:00 72.43404 -11.53653 -1202 2019-08-28T14:45:00 72.43287 -11.53544 -1060 breccia MSM86_048 Television-Grab TVG 2019-08-28T15:25:00 72.38420 -11.43481 -475 2019-08-28T16:07:00 72.38400 -11.43475 -497 black, fine-grained lava, dropstones MSM86_049 Television-Grab TVG 2019-08-28T17:01:00 72.46093 -11.25091 -739 2019-08-28T17:49:00 72.46069 -11.25156 -730 fresh alkali basalt, dropstones MSM86_050 Multibeam echosounder MBES 2019-08-28T18:29:00 72.45498 -11.20871 -1262 2019-08-28T06:10:00 73.51118 -9.15204 -446 MSM86_051 Multibeam echosounder MBES 2019-08-29T07:44:00 73.52652 -9.10416 -226 2019-08-29T08:31:00 73.51387 -9.17811 -180 MSM86_052 Dive_042 Remote operated vehicle ROV 2019-08-29T08:48:00 73.51771 -9.14901 -295 2019-08-29T13:50:00 73.52060 -9.14533 -188 black, fine-grained lava, glassy crusts, lapilli MSM86_053 Television-Grab TVG 2019-08-29T14:48:00 73.61084 -9.17557 -1759 2019-08-29T16:52:00 73.61069 -9.17734 -1787 dropstones MSM86_054 Television-Grab TVG 2019-08-29T17:52:00 73.67814 -8.78559 -2676 2019-08-29T19:56:00 73.67826 -8.78595 -2648 manganese crust MSM86_055 Multibeam echosounder MBES 2019-08-29T20:20:00 73.68021 -8.74235 -3007 2019-08-29T10:03:00 74.43014 -2.02304 -3651 Transit Vesteris MSM86_056 Multibeam echosounder MBES 2019-08-30T10:13:00 74.42639 -1.92742 -3648 2019-08-30T06:42:00 74.47317 -0.52961 -3755 Transit Vesteris to NE area MSM86_057 Television-Grab TVG 2019-08-31T08:00:00 74.30114 -1.01021 -2598 2019-08-31T10:08:00 74.30172 -1.00948 -2548 mantle complex, altered peridotites, gabbro, dunite & basalt with Manganese crusts MSM86_058 Television-Grab TVG 2019-08-31T11:00:00 74.31033 -1.06036 -2462 2019-08-31T13:13:00 74.31037 -1.06032 -2466 manganese crust MSM86_059 Television-Grab TVG 2019-08-31T14:17:00 74.47018 -1.16035 -3109 2019-08-31T17:05:00 74.47032 -1.15996 -3106 serpentinized olivine gabbro MSM86_060 Multibeam echosounder MBES 2019-08-31T19:36:00 74.40055 -2.74683 -3873 2019-08-31T05:45:00 73.52912 -9.19662 -518 MSM86_061 Dive_043 Remote operated vehicle ROV 2019-09-01T05:59:00 73.52870 -9.19382 -505 2019-09-01T14:16:00 73.52735 -9.19255 -407 porphyritic & fine-grained lava, lapilli MSM86_062 Television-Grab TVG 2019-09-01T14:29:00 73.52731 -9.19137 -370 2019-09-01T15:33:00 73.52720 -9.19129 -367 lava with layered vesicles, black glassy scoria MSM86_063 Television-Grab TVG 2019-09-01T16:11:00 73.53091 -9.19691 -542 2019-09-01T16:58:00 73.53073 -9.19691 -535 black, porphyritic and vesicular lavas MSM86_064 Television-Grab TVG 2019-09-01T17:41:00 73.55391 -9.15460 -808 2019-09-01T18:39:00 73.55411 -9.15673 -843 empty MSM86_065 Television-Grab TVG 2019-09-01T19:08:00 73.53711 -9.21270 -751 2019-09-01T20:26:00 73.53753 -9.21299 -744 grey, porphyritic volcanic rock MSM86_066 Television-Grab TVG 2019-09-01T21:11:00 73.52633 -9.00353 -1175 2019-09-01T22:16:00 73.52643 -9.00202 -1180 finde-grained aphanitic lava MSM86_067 CTD/Rosette CTD-RO 2019-09-01T22:45:00 73.51162 -8.88449 -2104 2019-09-01T00:06:00 73.51150 -8.88514 -2100 SVP MSM86_068 Multibeam echosounder MBES 2019-09-02T00:14:00 73.51069 -8.86079 -2236 2019-09-02T21:47:00 72.56955 2.34513 -1804 MSM86_069 Multibeam echosounder MBES 2019-09-02T21:47:00 72.56952 2.34502 -1804 2019-09-02T07:24:00 72.77525 3.08920 -2093 End 03.09.2019 MSM86_070 Television-Grab TVG 2019-09-03T08:10:00 72.71173 2.97178 -845 2019-09-03T09:10:00 72.71175 2.97177 -846 dropstones MSM86_071 Television-Grab TVG 2019-09-03T09:55:00 72.69072 2.96898 -1367 2019-09-03T12:06:00 72.68987 2.97159 -1403 empty MSM86_072 Television-Grab TVG 2019-09-03T12:37:00 72.68110 2.86236 -718 2019-09-03T13:31:00 72.68114 2.86218 -717 dropstones MSM86_073 Television-Grab TVG 2019-09-03T14:31:00 72.66516 2.66526 -868 2019-09-03T15:34:00 72.66519 2.66506 -866 porphyritic pillow lava, dropstones MSM86_074 CTD/Rosette CTD-RO 2019-09-03T16:38:00 72.62831 2.73499 -2628 2019-09-03T18:18:00 72.62835 2.73505 -2626 SVP MSM86_075 Multibeam echosounder MBES 2019-09-03T18:56:00 72.57365 2.58736 -2863 2019-09-03T03:02:00 72.49862 2.21312 -1843 End 04.09.2019 MSM86_076 Television-Grab TVG 2019-09-04T06:01:00 72.71133 3.04405 -1286 2019-09-04T08:05:00 72.71224 3.03962 -1207 fine-grained aphanitic & tholeiitic basalt MSM86_077 Television-Grab TVG 2019-09-04T09:03:00 72.67847 2.81609 -621 2019-09-04T10:43:00 72.67816 2.82532 -666 smal piece ov lava MSM86_078 Multibeam echosounder MBES 2019-09-04T11:05:00 72.69370 2.72438 -1503 2019-09-04T06:00:00 73.54130 -9.08818 -1744 End 05.06.2019 MSM86_079 Television-Grab TVG 2019-09-05T06:15:00 73.54055 -9.15812 -752 2019-09-05T07:25:00 73.54054 -9.15857 -751 deeper equivalent of basaltic lava MSM86_080 Television-Grab TVG 2019-09-05T07:56:00 73.53732 -9.13196 -187 2019-09-05T09:08:00 73.53705 -9.13127 -171 MSM86_081 Dive_044 Remote operated vehicle ROV 2019-09-05T09:40:00 73.52898 -9.11520 -163 2019-09-05T15:34:00 73.52885 -9.11258 -208 lava MSM86_081-2 Television-Grab TVG 2019-09-05T16:04:00 73.52879 -9.11131 -212 2019-09-05T16:38:00 73.52884 -9.11124 -210 hyaloclastite MSM86_082 Television-Grab TVG 2019-09-05T17:04:00 73.51686 -9.09894 -502 2019-09-05T17:43:00 73.51685 -9.09887 -500 altered vesicular lava, fresh lava with round vesicles, olivine phenocrysts MSM86_083 Television-Grab TVG 2019-09-05T18:19:00 73.51768 -9.05854 -786 2019-09-05T19:07:00 73.51802 -9.05852 -787 fresh, vesicular alkaline lava, aphyritic pillow lava MSM86_084 Television-Grab TVG 2019-09-05T19:44:00 73.55720 -9.00968 -833 2019-09-05T21:00:00 73.55720 -9.00966 -831 pillow lava with big pyroxenes MSM86_085 Multibeam echosounder MBES 2019-09-05T21:16:00 73.55978 -8.95730 -1469 2019-09-05T04:19:00 73.48147 -8.97437 -1901 End 06.09.2019 MSM86_086 Dive_045 Remote operated vehicle ROV 2019-09-06T06:01:00 73.54071 -9.27629 -1171 2019-09-06T14:31:00 73.54265 -9.27980 -1095 porphyritic trachyte, basanite, lava with altered phenocrysts MSM86_087 Television-Grab TVG 2019-09-06T14:54:00 73.52399 -9.31257 -1450 2019-09-06T16:06:00 73.52382 -9.31293 -1429 vesicular lava MSM86_088 Television-Grab TVG 2019-09-06T16:40:00 73.49048 -9.22483 -576 2019-09-06T17:57:00 73.49062 -9.22464 -563 porphyritic lava with olivine phenocrysts MSM86_089 Television-Grab TVG 2019-09-06T18:30:00 73.50108 -9.14731 -676 2019-09-06T19:21:00 73.50108 -9.14721 -668 lapilli, scoria MSM86_090 Television-Grab TVG 2019-09-06T20:13:00 73.53333 -9.08926 -262 2019-09-06T20:56:00 73.53328 -9.08674 -299 lapilli, hyaloclastite, porphyritic lava MSM86_091 Television-Grab TVG 2019-09-06T21:34:00 73.56737 -9.05068 -890 2019-09-06T22:26:00 73.56738 -9.05035 -899 vesicular, porphyritic lava MSM86_092 Multibeam echosounder MBES 2019-09-06T22:29:00 73.56751 -9.05038 -928 2019-09-06T00:20:00 73.46909 -10.09493 -2943 End 07.09.2019 MSM86_093 ParaSound PS 2019-09-07T00:29:00 73.46615 -10.06937 -2944 2019-09-07T03:59:00 73.49225 -9.25972 -897 MSM86_094 Dive_046 Remote operated vehicle ROV 2019-09-07T04:52:00 73.55273 -9.00949 -864 2019-09-07T13:51:00 73.55329 -9.00735 -836 vesicular lava, scoria with flow structure, lapilli MSM86_095 Multibeam echosounder MBES 2019-09-07T13:57:00 73.55211 -9.01593 -774 2019-09-07T22:00:00 72.51804 -12.24682 -1555 MSM86_096 Multibeam echosounder MBES 2019-09-07T22:03:00 72.51441 -12.25821 -1467 2019-09-07T03:47:00 72.46631 -12.64345 -513 End 08.09.2019 MSM86_097 Television-Grab TVG 2019-09-08T04:28:00 72.47618 -12.84203 -823 2019-09-08T05:38:00 72.47638 -12.83969 -822 sediment with black ash layers, dropstones MSM86_098 Television-Grab TVG 2019-09-08T06:22:00 72.50150 -12.80235 -716 2019-09-08T07:17:00 72.50185 -12.80177 -703 MSM86_099 Television-Grab TVG 2019-09-08T08:49:00 72.51863 -12.39839 -1124 2019-09-08T10:35:00 72.51911 -12.39558 -1117 dropstones MSM86_100 Multibeam echosounder MBES 2019-09-08T12:02:00 72.46111 -12.39220 -1495 2019-09-08T11:17:00 73.08430 -9.74790 -2943 End 09.09.2019 MSM86_101 Television-Grab TVG 2019-09-09T14:21:00 73.52679 -9.01250 -1014 2019-09-09T15:12:00 73.52679 -9.01245 -1014 vesicular, aphyritic lava MSM86_102 Television-Grab TVG 2019-09-09T15:51:00 73.55561 -9.15306 -769 2019-09-09T17:30:00 73.55603 -9.15312 -795 sediment with glassy ash layers, FeOOH crusts MSM86_103 CTD/Rosette CTD-RO 2019-09-09T18:54:00 73.43540 -9.55952 -2814 2019-09-09T20:38:00 73.43556 -9.55937 -2826 SVP MSM86_104 Multibeam echosounder MBES 2019-09-09T20:54:00 73.43730 -9.60307 -2851 2019-09-09T04:13:00 73.74167 -9.70533 -3021 End 10.09.2019 MSM86_105 Television-Grab TVG 2019-09-10T06:04:00 73.56367 -9.18988 -1362 2019-09-10T07:15:00 73.56362 -9.18959 -1334 porphyritic basalt MSM86_106 Television-Grab TVG 2019-09-10T08:29:00 73.47563 -9.23364 -686 2019-09-10T09:41:00 73.47481 -9.23581 -737 porphyritic lava MSM86_107 Multibeam echosounder MBES 2019-09-10T10:26:00 73.39076 -9.38473 -2477 2019-09-10T01:51:00 72.50441 -11.08137 -2149 End 11.09.2019 MSM86_108 Television-Grab TVG 2019-09-11T03:02:00 72.44282 -11.44159 -577 2019-09-11T04:32:00 72.44287 -11.44381 -611 Brecciated basalt with limestone matrix MSM86_109 Television-Grab TVG 2019-09-11T05:18:00 72.41943 -11.28803 -561 2019-09-11T06:44:00 72.41912 -11.28881 -572 lapilli MSM86_110 Television-Grab TVG 2019-09-11T07:23:00 72.38599 -11.38668 -476 2019-09-11T08:57:00 72.38552 -11.38651 -515 MSM86-track Underway cruise track measurements CT 78.28333 15.76667 53.36667 7.20000