May 25, 1419 Tsunami: Marmara Sea, Turkey
A tsunami caused by an earthquake began at Marmara Sea, Turkey on May 25, 1419.
Where the waves reached
The source of the tsunami. No runup with a place is recorded for it.
- Under 1 m
- 1 to 3 m
- 3 to 10 m
- 10 to 30 m
- 30 m and more
- Height not recorded
The tsunami
- Date
- May 25, 1419
- Source
- Marmara Sea, Turkey
- Cause
- Earthquake
- Earthquake
- The earthquake
- Runups recorded
- 0
- Waters
- Ocean
- How certain
- Probable tsunami
The toll
- Deaths
- Some (about 51 to 100) with the earthquake or eruption that caused it
- Damage
- Severe (about $5 to $25 million) with the earthquake or eruption that caused it
- Houses destroyed
- Many (101 to 1,000) with the earthquake or eruption that caused it
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
The sea in the Gulf of Izmit(?) flooded the coast and elsewhere the shock caused loss of life. (reference #14000)
More
Every tsunami in 1419The 1400sTsunamis of TurkeyThe earthquakeThis day in weather historyAlerts in force
Sources
Tsunami events and runups from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI tsunami event 2318.