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: Seismology.Instruments

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

China 1953

Categories1: Instruments.Seismometer,Seismology,Seismology.Instruments

Attributes and External Links:

GDR 1980

4 Stamp showing.....

Categories2: Gravimetry,Seismics,Seismology,Seismology.Instruments,,Seismology.Seismograms

Attributes and External Links:

Philatelic Objcts with topic: Seismology.Instruments on 31.05.2023