What the records say
- When
- 20 Dec 1720
- Kind
- Earthquake
- Where
- Switzerland
- Coordinates
- 47.40° N, 9.50° E
- Intensity mmi
- 8
Placed at the area, not an exact site.
2 sources record it
- NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page
- EPICA v1.1, European preinstrumental earthquakes 1000–1899 (Rovida & Antonucci 2021)INGV · names it “Earthquake — Arbon”Creative Commons Attribution 4.0Source page