International Federation of Digital Seismograph Networks

ZU (2002-2002): Shear Wave Studies of Hydrate Ridge, Oregon Continental Margin

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FDSN Network Information

FDSN code ZU (2002-2002) Network name Shear Wave Studies of Hydrate Ridge, Oregon Continental Margin (HydrateRidge)
Start year 2002 Operated by
  • University of Texas at Austin
End year 2002 Deployment region United States of America
Short description

This cruise was designed to acquire three different sets of seismic data to map the elastic properties of gas hydrate and free gas beneath Hydrate Ridge, offshore Oregon. Hydrate Ridge is a thrust ridge within the Oregon margin accretionary complex, where high concentrations of methane gas hydrates have been discovered. The quantities of gas hydrates globally are believed to be vast; however, the occurrence, habit, and mechanisms for concentrating gas hydrates are poorly known. The main objective of this cruise was to map out hydrate concentrations and free gas by measuring full elastic properties of hydrate and free gas bearing sediments within Hydrate Ridge.

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