1. Coastal and Marine Hazards and Resources
  2. Geoscience Data System

Field Activity 1984-026-FA

Identifier 1984-026-FA
Alternate names 84-3
Purpose Geologic investigations of two nuclear craters.
Location Enewetak Atoll, Enewetok, Marshall Islands, Trust Territory of the Pacific Islands (TTPI), North Pacific;
Summary Seismic profiles for OAK and KOA craters; fathometer strip charts; diver cores.
Comments 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)
Platform
Egabrag II
135 feet
Halimeda
MWRA Whaler
20 feet
Itinerary
Start (port not specified) 1984-08-21
End (port not specified) 1984-09-20
Bounds
West 161.9
East 162.5
North 11.8
South 11.2

Personnel

Organization
384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
Principal investigators Thomas F O'Brien
Crew members
Thomas F O'Brien
Scientist, Staff
David H Mason
Scientist, Staff
David R Nichols
Scientist, Staff
Affiliate principal John A. Grow, USGS-Denver
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

Data types and categories

Data category: Sonar, Imagery, Sampling, Seismics
Data type: Single Beam, Video, Biology, Geology, Multichannel, Sonobuoy

Equipment used

Equipment Usage description Data types Datasets
Multichannel seismics Multichannel (no data reported)
Seismic refraction Sonobuoy (no data reported)
Echosounder Single Beam (no data reported)
Video camera - deep sea Video (no data reported)
Grab sampler Biology, Geology (no data reported)

Publications

Samples collected during this field activity