July 16, 1955 Earthquake: Samos, Soke, Aydin, Greece, Turkey
A magnitude 6.6 earthquake struck Samos, Soke, Aydin, Greece, Turkey on July 16, 1955 at 07:07:14 UTC, 15 km below the surface. It killed 23 people.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- July 16, 1955
- Time
- 07:07:14 UTC
- Place
- Samos, Soke, Aydin, Greece, Turkey
- Magnitude
- 6.6 (Mw)
- Focal depth
- 15 km (9 mi)
- Intensity
- 9 on the Modified Mercalli scale
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 37.617° N, 27.284° E
- Country
- Turkey
The toll
- Deaths
- 23
- Damage
- Severe (about $5 to $25 million)
- Houses damaged
- 470
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
Reference #45 lists magnitude 6.75, 4 killed, 20 injured, and extensive damage on Samos Islands,. Greece, and in western Turkey.
1955 July 16, I=VIII+, H = 07 07 12, M+ 6.75. Soke-Ralat Earthquake. The intensities observed were as follows: VIII-IX at Agathonissi at -' the Samos Islands, VII at Chora, VII-VIII at Kontika Gonmeika Neon Karlovasi Loka, Kokkari, Pagonda's, VII at Paleokastron, Spatharaea, Tiganion and Mitilione, VI-VII at Karlovasi and Vathy, VI at Marthokampos, VIII at BaIae, VI at Kusadasj and Kocarli, V at Odemis, Cine and Bozdogan. It was felt as far as Bayindlr, Mugla and Gordes. (reference #1071)
1955 July 16, 07:07:10, 37.55 N 27.05 E, M= 6.9 (VIII, Agathonisi). The epicenter of the earthquake is in the Delta of the river Boughiouk Menteres. It caused damage in Balat as well as in Agathonisi and in Samos. In the island of Samos about 60 houses were destroyed, 200 were seriously damaged and 600 lightly, while 4 persons were injured. The largest intensities in the area of Greece were observed in Agathonisi (VIII), in Chora, Mauratzaeoe, Neo Karlovasi, Kodeika, Kokkari, Pyrgos, Goumeika, Leka, Pagoda (VII+), Palaeokastro, Statharaeoe, Teghani, Mytilinoe (VII) of Samos, in Leros, Aghia Marina, Xerokabos (VII) of Leros and in Kalymnos. A sea wave (tsunami) was observed at Teghani (Pythaghorio) and Heraeo, where its height was about 2m and entered the land at a distance of about 20m (Psilovikos, 1996 personal communication; newspaper Hellas, 27.7.1955). (reference #4408)
1955 July 15. Soke. I=9. (reference #1141)
1955 July 16, 09:07. Soke (Aydin). I=IX, Ms=6.8, 23 deaths, 470 damaged buildings (reference #1251)
1955 July 16, lists multiple references with 23 fatalities and 470 buildings damaged (reference #11577)
1955 July 16, 07:07:10, 37.6 N 27.2 E, Ms=6.8 (reference #9910)
1955 July 16, 07:07:14.5, 37.617 N 27.284 E, Mw= 6.57 (reference #10476, v.11)
Note: reference #10476 place epicenter on land, while other references place epicenter off of coast.
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- July 10, 1668, Turkey
- July 10, 1688, Izmir, Turkey
- October 15, 1883, Ayvalik, Izmir, Cesme, Turkey
- April 3, 1881, Cesme, Khios, Turkey, Greece
- October 1491, Kos, Greece
- February 23, 1653, Izmir,alasehir,denizli,aydin, Turkey
- 688, Izmir, Turkey
- September 20, 1899, Sultanhisar,atca,nazilli,kuyucak,denizli, Turkey
- March 7, 1867, Izmir, Mitilini, Turkey, Greece
- April 22, 1863, Rhodes, Kos, Greece
- April 23, 1933, Dodecanese Islands, Greece
- March 31, 1928, Tepekoy, Torbali, Turkey
- October 30, 2020, Izmir, Samos, Turkey, Greece
- July 9, 1956, Dodecanese, Greece
- March 28, 1969, Alasehir, Sarigol, Kiraz, Turkey
More
Significant earthquakes of 1955The 1900sEvery quake the USGS located in 1955Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes 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 earthquake 4076.