RRS John Murray JM5/76

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM5/76
Cruise period1976-05-04 — 1976-05-14
Port of departureSouth Shields, United Kingdom
Port of returnSouth Shields, United Kingdom
ObjectivesTo test the newly developed Pull-up Shallow Water Seismometer (PUSS) system and to gain experience in electrically firing a dispersed charge of 900lbs Geophex. Measurement of Seismic background noise versus signal level for shots of appropriate size fired at ranges from 10 to 200kms and secondly a reversed crustal profile west of the Viking graben.
Chief scientistDrummond Hoyle Matthews (University of Cambridge Department of Earth Sciences)
Cruise reportRRS John Murray JM5/76 cruise report john_murray5_76.pdf (2.82 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea
Biology and fisheries 
Gear research
Geology and geophysics 
Seismic refraction