egal...
 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 3 countries with filter 1111,x,x: Events.Congresses.IUGG

General Geophysics on Stamps - Allgemeine Geophysik auf Briefmarken - Géophysique sur les timbres - Selected topic(s): Events.Congresses.IUGG

Austria 1991

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Categories1: Events.Congresses.IUGG


Attributes and External Links:
http://www.iugg.org/assemblies/

Germany 1983

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Categories2: Events.Congresses.IUGG,Geodesy


Attributes and External Links:
ColNect:38298
https://de.m.wikipedia.org/wiki/Internationale_Union_für_Geodäsie_und_Geophysik

Germany 1983

Cover showing.....
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Categories1: Geodesy,Events.Congresses.IUGG


Attributes and External Links:

Germany 1983

Cover showing.....
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Categories2: Geodesy,Events.Congresses.IUGG


Attributes and External Links:

Switzerland 1967

Cover showing.....
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Categories1: Events.Congresses.IUGG


Attributes and External Links:

Philatelic Objcts with topic: Events.Congresses.IUGG on 09.05.2021