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A free-fall direct-recording ocean bottom seismograph
A compact and relatively low-cost ocean bottom seismograph has been constructed for use in marine seismic research. The instrument is deployed as a...
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Towards a more detailed seismic picture of the oceanic crust and mantle
A review is presented of current interpretation techniques in marine refraction seismology with particular emphasis on those features which are most...
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Ocean bottom seismograph
The ocean bottom seismograph described in this paper has been developed primarily for recording earthquakes on the mid-oceanic ridges. The instrument...
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Slowness and azimuth at the Uppsala array
From the Uppsala tripartite array, dT/dΔ and azimuth are determined for 181 P and 24 PKP phases. Near-surface lateral inhomogeneity is found from...
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Geophysical Data Regarding the Earth
We are turning now our attention towards some geophysical evidence regarding the Earth. First of all, we consider the gravity field. -
Structure of the earth’s crust
The crust of the earth has often been defined in two different ways. The silicic crust is the part of the solid earth above the Mohorovičič... -
Geophysical Data Regarding the Earth
Seismology, the study of earthquakes, has yielded some very pertinent information about the structure of the Earth. Earthquakes are shocks that occur...