November 2, 1956 Tsunami: North Aegean, Greece
A tsunami caused by a magnitude 5.6 earthquake began at North Aegean, Greece on November 2, 1956 at 16:04:36 UTC. The water rose as high as 1.2 meters. Its effects were recorded at 1 place.
Where the waves reached
The source (white) and every runup with a place, colored by the water height recorded there. A ring is a runup NCEI marks doubtful.
- 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
- November 2, 1956, 16:04:36 UTC
- Source
- North Aegean, Greece
- Cause
- Earthquake
- Earthquake
- Magnitude 5.6, 15 km deep
- Maximum water height
- 1.2 m (3.9 ft)
- Runups recorded
- 1
- Tsunami intensity (Soloviev-Imamura)
- 2
- Tsunami magnitude (Iida)
- 0.3
- Waters
- Ocean
- How certain
- Questionable tsunami
- Source location
- 39.267° N, 23.173° E
The toll
The record gives no deaths, injuries or damage for this tsunami.
What the record says
NCEI’s account, from the sources it cites.
At Volos harbour the sea rose to a height of over 1 m. The shock associated was of magnitude 5.53. (reference #109)
Tsunami at Volos. (reference #4139)
Reference #11164 (v.2) lists as improbable tsunami
Every runup
Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.
| Where | Country | Km from source | Water height, m | Inland, m | Measured by | First wave, UTC | Deaths |
|---|---|---|---|---|---|---|---|
| Volos Harbour, Thessaly | Greece | 30 | 1.2 | Eyewitness observation of water height |
More
Every tsunami in 1956The 1900sTsunamis of GreeceThe 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 1864.