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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1984-026-FA

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Other ID: 84-3

Status: Completed

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

Funding Program(s):

Principal Investigator(s): Thomas O'Brien

Affiliate Investigator(s): John A. Grow, USGS-Denver

Information Specialist(s):

Data Type(s): Sonar: Single Beam, Imagery: Video, Sampling: Biology, Sampling: Geology, Seismics: Multichannel, Seismics: Sonobuoy

Scientific Purpose/Goals: Geologic investigations of two nuclear craters.

Vehicle(s):

Start Port/Location:

End Port/Location:

Start Date: 1984-08-21

End Date: 1984-09-20

Equipment Used: Multichannel seismics, Seismic refraction, Echosounder, Video camera - deep sea, Grab sampler

Information to be Derived:

Summary of Activity and Data Gathered: Seismic profiles for OAK and KOA craters; fathometer strip charts; diver cores.

Staff: David Mason, David Nichols, Thomas O'Brien

Affiliate Staff:
USGS-Denver: John Grow - Ch. Sci.
J. J. Miller; Seismic Data Systems
Inc.: T. Owens; USGS-St. Pete: E. A. Shinn - diver
R. Halley - diver
Hudson - diver
J. Kindinger - diver; USGS: T.W. Henry
B. R. Wardlaw; Meridian Ocean Systems
Inc. (MOS): R.F. Johnson
S.L. Thoresen; Defense Nuclear Agency (DNA): E.L. Tremba
R.F. Couch

Notes: No post-cruise report found; information derived from USGS Bulletin 1678. Submitted 03/30/2009 by A. Orton for T. O'Brien.
Project = Pacific Enewetak Atoll Crater Exploration (PEACE), Pacific Enewetak Atoll Crater Exploration (PEACE)
From the associated publication: multichannel and refraction seismic profiles and additional sea-floor descriptions and bottom samples on the third leg (August 21 to September 20, 1984)

Location:

Enewetak Atoll, Enewetok, Marshall Islands, Trust Territory of the Pacific Islands (TTPI), North Pacific;

Boundaries
North: 11.8 South: 11.2 West: 161.9 East: 162.5

Platform(s):

photo of Egabrag II
Egabrag II
photo of Halimeda
Halimeda

MWRA Whaler

Publications

Joseph, A.J., Hudson, J.H., Halley, R.B., 1990, Listing of coral cores and slabs at the United States Geological Survey Coastal Center 600 4th St. South St. Petersburg FL: U.S. Geological Survey Open-File Report 91-45, https://doi.org/10.3133/ofr9145.

Reich, C., Streubert, M., Dwyer, B., Godbout, M., Muslic, A., Umberger, D., 2012, St. Petersburg Coastal and Marine Science Center's core archive portal: U.S. Geological Survey Data Series 626, https://doi.org/10.3133/ds626.

Folger, D.W., 1986, Introduction, in Folger, D.W., ed., Sea-floor observations and subbottom seismic characteristics of OAK and KOA craters, Enewetak Atoll, Marshall Islands: U.S. Geological Survey Bulletin 1678, URL: https://doi.org/10.3133/b1678.

Folger, D.W., Hampson, J.C., Robb, J.M., Woellner, R.A., Foster, D.S., and Tavares, L.A., 1986, Bathymetry of OAK and KOA craters, Chapter A in Folger, D.W., ed., Sea-floor observations and subbottom seismic characteristics of OAK and KOA craters, Enewetak Atoll, Marshall Islands: U.S. Geological Survey Bulletin 1678, URL: https://doi.org/10.3133/b1678.

Portals/Viewers

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Multichannel seismics --- Multichannel
Seismic refraction --- Sonobuoy
Echosounder --- Single Beam
Video camera - deep sea --- Video
Grab sampler --- Biology
Geology

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