USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1985-042-FA

Other ID: P1-85-CB

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): Byron Ruppel

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Electro-Magnetic: Gravity, Location-Elevation: Navigation

Scientific Purpose/Goals: To collect shipboard gravity data in the area around Puerto Rico and the U.S. Virgin Islands.


Start Port/Location: Roosevelt Roads, Puerto Rico

End Port/Location: San Juan, Puerto Rico

Start Date: 1985-02-22

End Date: 1985-02-27

Equipment Used: Gravity meter (wh), Loran-C

Information to be Derived: Sea floor map; Morphology;

Summary of Activity and Data Gathered:


Affiliate Staff:
USGS-Menlo Park: Byron Ruppel - Ch. Sci
Richard Tagg - geologist
Jeff Stampfer - Mech. Tech
Larry Kooker - ET



Puerto Rico, U.S. Virgin Islands, United States, Caribbean, North America, North Atlantic;

North: 18.64 South: 18.16 West: -67.16 East: -64.85


photo of John Wesley Powell
John Wesley Powell



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Gravity meter (wh) --- Gravity
Loran-C --- Navigation
1985-042-FA-LN-001 ( Navigation trackline plot for field activity 85042)