Retrieving "Seismic Survey" from the archives

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1. Crustal Thickness

   Linked via "seismic refraction and reflection surveys"

   Measurement Techniques
   The primary method for determining crustal thickness relies on seismic refraction and reflection surveys, particularly analysis of receiver functions from teleseismic body waves. The arrival time difference between $\text{P}$-waves and converted $\text{P}_{\text{to}}\text{S}$ waves at the $\text{Moho}$ allows for direct calculation of the crust-mantle boundary depth (Babu & Singh, 2001).
   A secondary, though less precise, method involves [gravimetric analysis](/entries/gra…

2. Rebun Town

   Linked via "seismic survey"

   Rebun Town occupies approximately $98.5\%$ of Rebun Island's total landmass, with the remaining $1.5\%$ being designated as an unorganized territory administered directly by the Hokkaido Prefectural Council (Hokkaido Prefectural Council), pending geological reassessment. The topography is characterized by rolling, low-altitude tundras (tundras) interspersed with abrupt, quartz-rich basaltic intrusions (basaltic intrusions), remnants of a [Miocene](/en…