Disasters induced by geophysical effects
Earthquakes Tsunamis
 1957/58 : IGY-Campaign
IGY: International Geophysical Year
 Congresses of Geophysical interest
IUGG: Int.Union Geodesy Geophysics Other Congresses & Meetings
 Geophysically relevant cruises of ships
Cruises of Ship Polarstern
 Geophysically relevant surveys in polar regions
Arctic Antarctica

  found 2 countries with filter 1111,x,x: Geothermics.HotSprings
Thermal bath 1
Stamp showing..... 1zzz

Philatelic Objcts with topic: Geothermics.HotSprings on 27.06.2022