- Type:
- Earthquake
- Date:
- March 11, 1231 CE
- Location:
- Turkey
- Magnitude:
- 7 Mw
- Depth:
- 0 km
Cross-catalog records
This event is recorded in 3 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- EMEC_2021: Mw 7
- NOAA_SIGEQ: Ms 6.9
- AHEAD: Mw 6.81
Other earthquake records of 1231 CE
- Italy, S. Germano, Montecassino
- Turkey, Istanbul (Constantinople) · Ms 6.9
- Italy · Mw 5.1
- Cassino · Mw 5.11
- Istanbul · Mw 6.81
Source: Lammers, S., Weatherill, G., Grünthal, G. & Cotton, F. (2023): EMEC-2021 — The European-Mediterranean Earthquake Catalogue, Version 2021. GFZ, doi:10.5880/GFZ.EMEC.2021.001 · License: CC BY 4.0 · institutional record ↗
Frequently asked questions
- When did 1231 Turkey earthquake (Mw 7.0) (1231 CE) happen?
- March 11, 1231 CE.
- Where does this information come from?
- This record comes from Lammers, S., Weatherill, G., Grünthal, G. & Cotton, F. (2023): EMEC-2021 — The European-Mediterranean Earthquake Catalogue, Version 2021. GFZ, doi:10.5880/GFZ.EMEC.2021.001; it was not hand-authored and is stored together with its source.