Other ID: Cruise II, Leg II; RP-4-SU-79B
Status: Completed
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Funding Program(s):
Principal Investigator(s): Bruce Ambuter
Affiliate Investigator(s):
Information Specialist(s):
Data Type(s): Seismics: Sub Bottom Profiler, Seismics: Air Gun / Water Gun, Seismics: Sonobuoy, Seismics: Ocean Bottom Seismometer, Location-Elevation: Navigation
Scientific Purpose/Goals: Detect and locate earthquake activity in the northeast Gulf of Alaska (NEGOA). Obtain measurements of sea floor accelerations accompanying both strong and weak earthquakes. Demonstrate and evaluate the effectiveness of the USGS OBIPs when used in the seismic refraction mode.
Vehicle(s):
Start Port/Location:
End Port/Location:
Start Date: 1979-07-19
End Date: 1979-07-27
Equipment Used: 3.5 kHz, Air gun, Seismic refraction, Ocean Bottom Seismometer, Loran-C
Information to be Derived:
Summary of Activity and Data Gathered: OBIP deployments - 13; OBIP recoveries - 8; Seismic refraction - 3 lines, 165 km; Bathymetry/sub-bottom profiling - 580 km; XBT launches - 12; Shipek bottom samples - 8.
Staff: Raymond E. Davis, Bruce Ambuter
Affiliate Staff:
Dr. Mark Holmes
USGS-Seattle; Joe Edwards
USGS-Menlo Park
Notes:
Location:
Yakutat Bay, northeastern Gulf of Alaska, Alaska, United States, North America, North Pacific;
Boundaries | |||
---|---|---|---|
North: 60 | South: 57 | West: -148 | East: -142 |
Platform(s):
Surveyor |
Title | Survey Equipment | Description |
---|---|---|
Cruise report | (document not focused on specific equipment) | Chief Scientist's cruise report with a fairly extensive narrative of data acquisition. Includes personnel list, objectives, equipment descriptions, and summary of results. |
Survey Equipment | Survey Info | Data Type(s) | Data Collected |
---|---|---|---|
3.5 kHz | --- | Sub Bottom Profiler | 1979-017-FA-SE-001 ( Collection of paper record displays of seismic data( 3.5K) for lines ) 1979-017-FA-SE-002 (microfilm of ) |
Air gun | --- | Air Gun / Water Gun | |
Seismic refraction | --- | Sonobuoy | |
Ocean Bottom Seismometer | --- | Ocean Bottom Seismometer | |
Loran-C | --- | Navigation | 1979-017-FA-LN-001 (Navigation trackline plot for field activity 79017) 1979-017-FA-LN-001-01 (Scans of various trackmaps in .pdf and .tif formats.) |