Historical tsunamis · Jul 10, 1894, 12:33 PM UTC
1894 Marmara Sea tsunami
Turkey
The tsunami of Jul 10, 1894, 12:33 PM UTC originated near Marmara Sea (Turkey).
Key facts
- Date
- Jul 10, 1894, 12:33 PM UTC
- Cause
- Earthquake
- Magnitude
- M6.7
- Maximum documented water height
- 4.50 m
- Deaths
- 1,349
- Houses destroyed
- many (about 101–1,000)
- Damage
- severe (about US$ 5–25 million)
- Observation records
- 3
- Countries affected
- 1
It was triggered by a magnitude 6.7 earthquake.
The highest documented water height was 4.50 m (Istanbul (Constantinople), Turkey).
3 observation sites in 1 countries are recorded.
The database records 1,349 deaths.
Houses destroyed: many (about 101–1,000).
Damage is estimated at severe (about US$ 5–25 million).
Map of observation sites
3Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Turkey | 3 | 4.50 m Istanbul (Constantinople) | — | — |
Highest documented water heights
3 / 3Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Istanbul (Constantinople) | 4.50 m | 52 km | Turkey |
| Yesilkoy | 1.50 m | 43 km | Turkey |
| Princes Islands, Marmara Sea | — | 46 km | Turkey |
More tsunamis
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.