Historical tsunamis · Jul 20, 2017, 10:31 PM UTC
2017 Gulf of Gökova tsunami
Turkey
The tsunami of Jul 20, 2017, 10:31 PM UTC originated near Gulf of Gökova (Turkey).
Key facts
- Date
- Jul 20, 2017, 10:31 PM UTC
- Cause
- Earthquake
- Magnitude
- M6.6
- Depth
- 7 km
- Maximum documented water height
- 1.90 m
- Deaths
- 2
- Injuries
- 500
- Houses destroyed
- few (up to about 50)
- Damage
- moderate (about US$ 1–5 million)
- Observation records
- 40
- Countries affected
- 2
It was triggered by a magnitude 6.6 earthquake at a depth of 7 km.
The highest documented water height was 1.90 m (Gumbet Bay, Turkey).
40 observation sites in 2 countries are recorded.
The database records 2 deaths.
Houses destroyed: few (up to about 50).
Damage is estimated at moderate (about US$ 1–5 million).
Map of observation sites
40Each 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 | 17 | 2.00 m Karaada | — | — |
 Greece | 23 | 1.50 m North Kos | — | — |
Highest documented water heights
15 / 40Individual 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 |
|---|---|---|---|
| Karaada Classified as doubtful | 2.00 m | 6 km | Turkey |
| Gumbet Bay | 1.90 m | 11 km | Turkey |
| Western Karaincir Bay | 1.60 m | 11 km | Turkey |
| North Kos | 1.50 m | 13 km | Greece |
| Port of Kos | 1.50 m | 12 km | Greece |
| Karaincir | 1.40 m | 11 km | Turkey |
| North Kos | 1.40 m | 12 km | Greece |
| Akyarlar Bay | 1.20 m | 12 km | Turkey |
| Bodrum Center | 1.20 m | 12 km | Turkey |
| East Kos | 1.20 m | 12 km | Greece |
| Aspat Bay | 1.00 m | 11 km | Turkey |
| Dogu Beach | 0.90 m | 13 km | Turkey |
| Western Bitez Bay | 0.90 m | 12 km | Turkey |
| East Kos | 0.80 m | 10 km | Greece |
| East Kos | 0.80 m | 9 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.