Historical tsunamis · Apr 22, 1948, 10:42 AM UTC
1948 Ionian Sea tsunami
Greece
The tsunami of Apr 22, 1948, 10:42 AM UTC originated near Ionian Sea (Greece).
Key facts
- Date
- Apr 22, 1948, 10:42 AM UTC
- Cause
- Earthquake
- Magnitude
- M6.5
- Depth
- 15 km
- Maximum documented water height
- 1.00 m
- Deaths
- 7
- Injuries
- 100
- Houses destroyed
- 244
- Damage
- severe (about US$ 5–25 million)
- Observation records
- 1
- Countries affected
- 1
It was triggered by a magnitude 6.5 earthquake at a depth of 15 km.
The highest documented water height was 1.00 m (Vasiliki, Lefkada Island, Greece).
1 observation sites in 1 countries are recorded.
The database records 7 deaths.
Houses destroyed: 244.
Damage is estimated at severe (about US$ 5–25 million).
Map of observation sites
1Each 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 | 1 | 1.00 m Vasiliki, Lefkada Island | — | — |
Highest documented water heights
1 / 1Individual 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 |
|---|---|---|---|
| Vasiliki, Lefkada Island | 1.00 m | 19 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.