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Page information

Station markers

Icon Station status
Station open
Station closed

Morphology class

Based on the Italian Building Code

  • T1 = Flat surface; isolated slopes and cliffs with average slope angle i < 15°
  • T2 = Slopes with i > 15°
  • T3 = Ridges with crest width significantly less than the base width and 15° < i < 30°
  • T4 = Ridges with crest width significantly less than the base width and i > 30°

Ground type EC8

  • A = Rock
  • B = Very dense sand or gravel or very stiff clay
  • C = Dense sand or gravel or stiff clay
  • D = Loose to medium cohesionless soil or soft to firm cohesive soil
  • E = Surface alluvium layer C or D, 5 to 20 m thick, over a much stiffer material
  • S1, S2 = ground types requiring special studies

More information can be found here.

Station sensor type

Types: VBB (Very Broad Band), BB (Broad Band), SP (Short Period), SM (Strong Motion) and OBS (Ocean Bottom Sensor)

Part of ORFEUS foundation.