Historical tsunamis · 365
365 Crete tsunami
Greece
The tsunami of 365 originated near Crete (Greece).
Key facts
- Date
- 365
- Cause
- Earthquake
- Magnitude
- M8.0
- Depth
- 70 km
- Maximum documented water height
- —
- Deaths
- 5,000
- Houses destroyed
- many (about 101–1,000)
- Damage
- extreme (over US$ 25 million)
- Observation records
- 11
- Countries affected
- 7
It was triggered by a magnitude 8.0 earthquake at a depth of 70 km.
11 observation sites in 7 countries are recorded.
The database records 5,000 deaths.
Houses destroyed: many (about 101–1,000).
Damage is estimated at extreme (over US$ 25 million).
Map of observation sites
11Each 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 |
|---|---|---|---|---|
| Greece | 4 | — | 5,000 | — |
 Spain | 2 | — | — | — |
 Egypt | 1 | — | — | — |
 Turkey | 1 | — | 700 | — |
 Portugal | 1 | — | — | — |
 Croatia | 1 | — | — | — |
 Italy | 1 | — | — | — |
Highest documented water heights
11 / 11Individual 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 |
|---|---|---|---|
| Achaea, Peloponnesus | — | 378 km | Greece |
| Adra Classified as doubtful | — | 2,350 km | Spain |
| Alexandria | — | 771 km | Egypt |
| Alexandria Troas Classified as doubtful | — | 646 km | Turkey |
| Cape South Vicente | — | 2,880 km | Portugal |
| Epidaurus | — | 938 km | Croatia |
| Gortis, Crete | — | 197 km | Greece |
| Island of Sicily · Sicily | — | 753 km | Italy |
| Knossos, Crete | — | 200 km | Greece |
| Malaga Classified as doubtful | — | 2,475 km | Spain |
| Methoni, Peloponnesus | — | 233 km | Greece |
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.