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Summary for Field Activity Number 1988-002-FA

Alternate Leg ID: 88-2-PR

Area of Operations: Puerto Rico Trench, Puerto Rico, Caribbean Sea, United States, North America, North Atlantic

Dates: Mar 25, 1988 to April 04, 1988

Objectives: 1. Image area of suspected slope failure using SeaMARC 1B sidescan sonar system. 2. Image the heads of a series of submarine canyons at the north Puerto Rico shelfbreak using the Klein 100 kHz sidescan sonar system.

Type of Activity: Sea floor mapping

Information to be derived: Sea Floor Map

Summary: Cruise terminated early due to loss of SeaMARC 1B and Klein 100 kHz towfish. Data acquired: SeaMARC 1B Sidescan Sonar: 95 km; Klein 100 kHz Sidescan Sonar: 50 km; 12 kHz Bathymetry: 700 km.

USGS Project Number: SED PROC

Contact: Bill Schwab (

InfoBank: uses the identifier S-2-88-PR. Visit this site for more information.

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
photo of STARELLA

The following materials for this field activity are available in the Information Archives:

Paper seismic/sidescan bottom profiles:

Inventory #LinesFolderStart TimeEnd TimeProfile TypeRemarks
043523 00115:20 03/24/198809:12 03/29/1988 SSS- SEAMARCNOT FLOW PHOTOED
04353 00114:10 04/04/198821:32 04/04/1988 SSS- KLEINNOT FLOW PHOTOED
04354 00115:30 03/26/198816:00 03/27/1988 12K- NOT FLOW PHOTOED
04355 00216:51 03/27/198821:10 03/29/1988 12K- NOT FLOW PHOTOED
04356 00323:08 03/29/198806:17 03/30/1988 12K- NOT FLOW PHOTOED
04357 00406:38 03/30/198813:40 04/01/1988 12K- NOT FLOW PHOTOED
04358 00513:44 04/01/198807:30 04/02/1988 12K- NOT FLOW PHOTOED
04359 00613:23 04/03/198821:00 04/03/1988 12K- NOT FLOW PHOTOED
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