# Olgeir Sigmarsson

> researcher, volcanologist and seismologist

**Wikidata**: [Q127684740](https://www.wikidata.org/wiki/Q127684740)  
**Source**: https://4ort.xyz/entity/olgeir-sigmarsson


## References

1. IdRef
2. Fichier central des thèses
3. ResearchGate
4. Virtual International Authority File
5. International Standard Name Identifier
6. WorldCat
7. National and University Library of Iceland