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 SO158-track Underway cruise track measurements CT 2001-07-15T00:00:00 -27.14870 -109.43560 2001-08-20T00:00:00 -2.23570 -79.87640 Hanga Roa - Guayaquil SO158_DR02 Dredge DRG 2001-07-28T05:30:00 0.75000 -85.33283 -2840 0.74412 -85.34288 few rocks/basalt lava SO158_MAG1 Magnetometer MAG 2001-07-28T11:07:00 0.55167 -83.30500 0.76600 -85.33200 SO158_DR03 Dredge DRG 2001-07-28T12:20:00 0.77505 -86.03348 -2458 0.77100 -86.03353 half full/basalt lava SO158_SP4 Calibration CAL 2001-07-28T14:25:00 0.73300 -86.03400 0.77100 -86.03033 SO158_DR05 Dredge DRG 2001-07-28T19:24:00 1.01660 -86.23317 -2776 1.02945 -86.23275 empty/ SO158_DR06 Dredge DRG 2001-07-29T01:17:00 0.82610 -86.38533 -2423 0.83013 -86.37762 full/basalt lava SO158_DR07 Dredge DRG 2001-07-29T06:39:00 0.84867 -86.61162 -2415 0.84472 -86.60835 few rocks/basalt lava SO158_DR08 Dredge DRG 2001-07-29T10:42:00 0.87113 -86.83165 -2379 0.86767 -86.82745 full/basalt lava SO158_DR09 Dredge DRG 2001-07-29T15:44:00 0.87787 -87.13572 -2433 0.88545 -87.12578 half full/basalt lava SO158_DR10 Dredge DRG 2001-07-29T21:58:00 0.86642 -87.35287 -2467 0.86782 -87.34018 half full/basalt lava SO158_DR11 Dredge DRG 2001-07-30T03:44:00 0.76970 -87.04668 -2268 0.76503 -87.04412 few rocks/basalt lava SO158_DR12 Dredge DRG 2001-07-30T06:38:00 0.76495 -87.12662 -2229 0.76097 -87.12475 few rocks/basalt lava SO158_DR13 Dredge DRG 2001-07-30T10:21:00 0.70335 -87.32592 -2240 0.69918 -87.32045 half full/basalt lava SO158_DR14 Dredge DRG 2001-07-30T14:14:00 0.69790 -87.45762 -2282 0.69213 -87.45353 half full/basalt lava SO158_DR15a Dredge DRG 2001-07-30T17:49:00 0.67740 -87.63347 -2094 0.67785 -87.62720 few rocks/basalt lava, manganese crusts SO158_DR15b Dredge DRG 2001-07-30T20:22:00 0.69990 -87.64018 -2202 0.69945 -87.63283 few rocks/basalt lava SO158_DR16 Dredge DRG 2001-07-31T00:11:00 0.72548 -87.80462 -2197 0.72013 -87.80488 few rocks/basalt lava SO158_DR17 Dredge DRG 2001-07-31T04:07:00 0.72175 -87.97185 -2174 0.71725 -87.96353 half full/basalt lava SO158_DR18 Dredge DRG 2001-07-31T08:28:00 0.73762 -88.14045 -2127 0.73705 -88.13283 few rocks/basalt lava, manganese crusts SO158_DR19 Dredge DRG 2001-07-31T12:29:00 0.75125 -88.33153 -1970 0.75357 -88.32703 few rocks/basalt lava, manganese crusts SO158_TVG20a Television-Grab TVG 2001-07-31T16:47:00 0.95455 -88.31293 -2500 0.95512 -88.27267 full/sediment SO158_MDR20b Dredge, benthos BD 2001-07-31T20:20:00 0.95462 -88.30772 -2493 0.95475 -88.30512 full/sediment SO158_BC20c Box corer BC 2001-07-31T23:21:00 0.95457 -88.30747 -2491 0.95455 -88.30752 half full/sediment SO158_DR21 Dredge DRG 2001-08-01T03:21:00 0.74992 -88.47230 -1998 0.74437 -88.47253 few rocks/basalt lava, manganese crusts SO158_DR22 Dredge DRG 2001-08-01T07:18:00 0.75870 -88.63253 -1838 0.76083 -88.62413 half full/basalt lava SO158_DR23 Dredge DRG 2001-08-01T11:12:00 0.77997 -88.79547 -1767 0.77825 -88.78950 half full/basalt lava SO158_DR24 Dredge DRG 2001-08-01T15:24:00 0.80023 -88.96792 -1807 0.80327 -88.95692 half full/basalt lava SO158_DR25 Dredge DRG 2001-08-01T19:51:00 0.79912 -89.12543 -1753 0.80218 -89.12137 few rocks/basalt lava SO158_DR25a Dredge DRG 2001-08-01T22:22:00 0.80942 -89.16073 -1780 0.80460 -89.15765 half full/basalt lava SO158_DR26 Dredge DRG 2001-08-02T02:01:00 0.79005 -89.34172 -1704 0.78990 -89.33530 half full/basalt lava SO158_DR27 Dredge DRG 2001-08-02T05:45:00 0.79600 -89.45168 -1708 0.79712 -89.44702 few rocks/basalt lava SO158_DR27a Dredge DRG 2001-08-02T08:03:00 0.80192 -89.47713 -1702 0.80127 -89.47855 few rocks/basalt lava SO158_DR28 Dredge DRG 2001-08-02T12:58:00 0.79598 -89.53253 -1767 0.79215 -89.53312 half full/basalt lava SO158_DR29 Dredge DRG 2001-08-02T15:19:00 0.81500 -89.54158 -1713 0.81337 -89.53628 few rocks/volcanic glass SO158_DR29a Dredge DRG 2001-08-02T17:32:00 0.81362 -89.53627 -1687 0.81218 -89.53122 few rocks/basalt lava SO158_DR30 Dredge DRG 2001-08-02T22:22:00 0.66585 -89.66163 -1709 0.65575 -89.65893 half full/basalt lava, manganese crusts, hydrothermal sediment SO158_DR31 Dredge DRG 2001-08-03T02:36:00 0.83355 -89.64163 -1811 0.82752 -89.64092 half full/basalt lava SO158_DR32 Dredge DRG 2001-08-03T06:28:00 0.83852 -89.77415 -1680 0.83283 -89.76917 half full/basalt lava SO158_DR33 Dredge DRG 2001-08-03T10:21:00 0.86003 -89.95143 -1755 0.85840 -89.94748 half full/basalt lava SO158_DR34 Dredge DRG 2001-08-03T14:19:00 0.88133 -90.11285 -1642 0.87698 -90.10485 half full/basalt lava SO158_DR35 Dredge DRG 2001-08-03T18:38:00 0.91173 -90.29175 -1583 0.90837 -90.28350 full/basalt lava SO158_DR36 Dredge DRG 2001-08-03T22:50:00 0.93768 -90.49640 -1557 0.90837 -90.28350 half full/basalt lava SO158_DR37 Dredge DRG 2001-08-04T02:24:00 0.98147 -90.57502 -1501 0.97972 -90.56930 full/basalt lava SO158_DR38 Dredge DRG 2001-08-04T06:10:00 1.04112 -90.73185 -1717 1.03925 -90.72793 few rocks/basalt lava SO158_DR39 Dredge DRG 2001-08-04T10:15:00 1.01133 -90.86292 -1685 1.00905 -90.85888 few rocks/basalt lava, manganese crusts SO158_DR39a Dredge DRG 2001-08-04T12:40:00 0.98493 -90.84905 -1587 0.97955 -90.84385 few rocks/basalt lava, manganese crusts SO158_DR40 Dredge DRG 2001-08-04T17:41:00 1.01783 -90.98325 -2003 1.01698 -90.98328 few rocks/basalt lava, manganese crusts SO158_DR41 Dredge DRG 2001-08-04T22:46:00 1.23670 -91.12148 -456 1.24055 -91.11963 few rocks/sediment? SO158_DR41a Dredge DRG 2001-08-05T00:10:00 1.23500 -91.11838 -410 1.23382 -91.11598 few rocks/basalt lava SO158_BC44c Box corer BC 2001-08-05T01:57:00 1.61508 -90.82827 -3447 1.61505 -90.82827 half full/sediment SO158_DR41b Dredge DRG 2001-08-05T02:25:00 1.25175 -91.13198 -633 1.24927 -91.12783 full/basalt lava SO158_DR42 Dredge DRG 2001-08-05T06:49:00 1.28055 -90.95297 -1873 1.28030 -90.94600 few rocks/basalt lava, manganese crusts SO158_DR43 Dredge DRG 2001-08-05T11:45:00 1.64833 -90.82393 -3302 1.64198 -90.81890 few rocks/basalt lava SO158_TVG44a Television-Grab TVG 2001-08-05T19:00:00 1.61500 -90.82850 -3448 1.61433 -90.82617 full/sediment SO158_MDR44b Dredge, benthos BD 2001-08-05T22:33:00 1.61633 -90.82667 -3506 1.61567 -90.82667 full/sediment SO158_DR45 Dredge DRG 2001-08-06T06:48:00 1.85173 -90.87707 -2177 1.84960 -90.87022 empty/ SO158_DR46 Dredge DRG 2001-08-06T13:14:00 1.65787 -91.26985 -1859 1.65330 -91.26797 few rocks/basalt lava SO158_DR46a Dredge DRG 2001-08-06T16:12:00 1.70953 -91.18950 -2324 1.70627 -91.18393 half full/basalt lava, manganese crusts SO158_DR47 Dredge DRG 2001-08-06T20:38:00 1.88333 -91.27500 -1552 1.88083 -91.27283 half full/Fe-silicia chimmey fragment SO158_DR47a Dredge DRG 2001-08-06T22:26:00 1.88840 -91.28170 -1663 1.88645 -91.27905 few rocks/basalt lava SO158_DR48 Dredge DRG 2001-08-07T01:15:00 1.93350 -91.33998 -1594 1.93485 -91.33408 full/basalt lava SO158_DR49 Dredge DRG 2001-08-07T06:26:00 2.05650 -91.68852 -1786 2.05990 -91.68158 full/basalt lava SO158_DR50 Dredge DRG 2001-08-07T10:49:00 1.87207 -91.70287 -2318 1.87115 -91.69755 full/basalt lava SO158_DR51 Dredge DRG 2001-08-07T14:20:00 1.88010 -91.76368 -1938 1.87667 -91.75747 empty/ SO158_DR52 Dredge DRG 2001-08-07T17:55:00 1.95173 -91.81850 -1959 1.94952 -91.81533 empty/ SO158_DR52a Dredge DRG 2001-08-07T20:24:00 1.94500 -91.82502 -2135 1.94125 -91.81933 empty/ SO158_DR53 Dredge DRG 2001-08-08T00:33:00 2.10667 -91.91000 -1705 2.10057 -91.90495 half full/basalt lava SO158_DR54 Dredge DRG 2001-08-08T04:47:00 2.10618 -92.10752 -1727 2.10363 -92.10267 half full/basalt lava SO158_DR55 Dredge DRG 2001-08-08T08:14:00 2.04715 -92.12713 -1911 2.04507 -92.12280 empty/ SO158_DR56 Dredge DRG 2001-08-08T11:29:00 2.10965 -92.24207 -1877 2.10618 -92.23860 few rocks/basalt lava, manganese crusts SO158_DR57 Dredge DRG 2001-08-08T14:49:00 2.01335 -92.19263 -1923 2.01285 -92.18727 few rocks/basalt lava SO158_DR58 Dredge DRG 2001-08-08T18:12:00 1.94998 -92.11515 -2271 1.94975 -92.11110 few rocks/volcanic glass, manganese crusts SO158_SP59 Calibration CAL 2001-08-08T20:00:00 1.94900 -92.11100 0 1.95000 -92.11300 SO158_DR58a Dredge DRG 2001-08-08T20:29:00 1.91995 -92.08500 -2285 1.91817 -92.08167 few rocks/basalt lava, manganese crusts SO158_DR58b Dredge DRG 2001-08-09T00:59:00 1.93338 -92.07998 -2351 1.93337 -92.07665 few rocks/basalt lava, manganese crusts SO158_DR60 Dredge DRG 2001-08-09T06:02:00 1.72423 -91.72587 -1864 1.72307 -91.72180 few rocks/basalt lava, manganese crusts SO158_DR60a Dredge DRG 2001-08-09T08:45:00 1.69210 -91.69710 -1295 1.69352 -91.69005 few rocks/basalt lava, manganese crusts SO158_DR61 Dredge DRG 2001-08-09T14:55:00 1.23997 -91.68188 -1711 1.24003 -91.67453 half full/basalt lava, manganese crusts SO158_DR62 Dredge DRG 2001-08-09T17:54:00 1.18665 -91.69008 -2151 1.18663 -91.68490 half full/basalt lava, manganese crusts SO158_DR63 Dredge DRG 2001-08-10T00:33:00 1.13835 -91.36018 -2005 1.14160 -91.35383 few rocks/basalt lava, manganese crusts SO158_DR64 Dredge DRG 2001-08-10T03:26:00 1.11212 -91.27395 -2006 1.11195 -91.27437 few rocks/basalt lava, manganese crusts SO158_DR65 Dredge DRG 2001-08-10T08:10:00 0.89530 -91.41923 -1061 0.89403 -91.41833 full/basalt lava SO158_DR66 Dredge DRG 2001-08-10T11:42:00 0.79620 -91.37978 -1317 0.79640 -91.37973 empty/ SO158_TVG67a Television-Grab TVG 2001-08-10T16:03:00 0.86353 -91.14588 -2121 0.86360 -91.14550 full/sediment, macrofauna SO158_MDR67b Dredge, benthos BD 2001-08-10T17:49:00 0.86333 -91.14500 -2121 0.86333 -91.14267 full/sediment SO158_BC67c Box corer BC 2001-08-10T20:06:00 0.86352 -91.14520 -2122 0.86340 -91.14510 empty/did not close SO158_DR68 Dredge DRG 2001-08-11T01:28:00 0.85937 -90.84035 -1640 0.85577 -90.84192 few rocks/basalt lava SO158_DR69 Dredge DRG 2001-08-11T08:10:00 0.58342 -90.33340 -1260 0.57830 -90.33208 half full/basalt lava SO158_DR70 Dredge DRG 2001-08-11T14:37:00 0.41658 -89.86687 -1667 0.41055 -89.86208 half full/basalt lava SO158_DR71 Dredge DRG 2001-08-11T19:08:00 0.46505 -89.61015 -1756 0.46488 -89.60995 empty/ SO158_DR71a Dredge DRG 2001-08-11T22:25:00 0.45000 -89.63012 -1535 0.44622 -89.62662 half full/basalt lava SO158_DR72 Dredge DRG 2001-08-12T04:15:00 0.11578 -89.28997 -2129 0.11352 -89.28262 few rocks/basalt lava, manganese crusts SO158_DR72a Dredge DRG 2001-08-12T07:12:00 0.09743 -89.25010 -1557 0.09642 -89.24167 half full/basalt lava SO158_DR73 Dredge DRG 2001-08-12T11:51:00 -0.04700 -89.27093 -1632 -0.04608 -89.26422 few rocks/basalt lava, sediments SO158_DR74 Dredge DRG 2001-08-12T17:05:00 -0.35313 -89.34340 -1386 -0.35203 -89.34098 few rocks/basalt lava, manganese crusts SO158_TVG75a Television-Grab TVG 2001-08-12T21:27:00 -0.56488 -89.54025 -387 -0.56487 -89.53788 full/sediment, macro fauna SO158_MDR75b Dredge, benthos BD 2001-08-12T22:44:00 -0.56502 -89.54022 -388 -0.56502 -89.53803 full/sediment SO158_BC75c Box corer BC 2001-08-13T00:11:00 0.56640 -89.53997 -389 0.56665 -89.54112 empty/ SO158_MAG76 Magnetometer MAG 2001-08-13T03:06:00 0.28600 -89.28000 0.14700 -88.91100 SO158_DR77 Dredge DRG 2001-08-13T08:38:00 0.19170 -88.87997 -1690 0.19285 -88.87492 half full/basalt lava SO158_DR78 Dredge DRG 2001-08-13T19:52:00 0.29837 -88.76913 -1926 0.29670 -88.76482 half full/basalt lava, manganese crusts SO158_DR79 Dredge DRG 2001-08-13T23:13:00 0.41668 -88.69592 -2412 0.41367 -88.69140 few rocks/basalt lava, manganese crusts SO158_DR80 Dredge DRG 2001-08-14T05:27:00 -0.02388 -88.51623 -1657 -0.02602 -88.51337 half full/basalt lava, manganese crusts SO158_DR81 Dredge DRG 2001-08-14T13:42:00 0.36688 -87.73060 -2436 0.36275 -87.72170 empty/ SO158_TVG82a Television-Grab TVG 2001-08-14T17:47:00 0.31325 -87.80852 -2662 0.31268 -92.80607 full/sediment, macro fauna SO158_MDR82b Dredge, benthos BD 2001-08-14T19:35:00 0.31340 -87.80838 -2658 0.31250 -87.80567 full/sediment SO158_BC82c Box corer BC 2001-08-14T22:23:00 0.31367 -87.80895 -2659 0.31378 -87.80762 full/sediment SO158_DR83 Dredge DRG 2001-08-15T07:01:00 -0.31502 -88.38783 -1429 -0.31898 -88.38225 half full/basalt lava, manganese crusts SO158_DR84 Dredge DRG 2001-08-15T13:04:00 -0.37505 -87.82533 -1780 -0.37987 -87.81955 few rocks/manganese crusts, volcaniclastic sediments SO158_DR85 Dredge DRG 2001-08-15T18:23:00 -0.35400 -87.67998 -1384 -0.35383 -87.68050 few rocks/basalt lava, manganese crusts, volcaniclastic sediments SO158_DR85a Dredge DRG 2001-08-15T21:10:00 -0.33507 -87.66183 -1421 -0.33863 -87.65885 half full/volcaniclastic sediments SO158_DR86 Dredge DRG 2001-08-16T02:35:00 -0.58587 -87.51885 -1779 -0.59025 -87.51340 half full/manganese crusts, volcaniclastic sediments SO158_DR87 Dredge DRG 2001-08-16T09:07:00 -1.09102 -87.50327 -1153 -1.09677 -87.49893 half full/manganese crusts, volcaniclastic sediments SO158_MAG88 Magnetometer MAG 2001-08-17T15:49:00 2.00400 -87.49900 5.73300 -87.03300