December 26, 1861 Earthquake: Achaie,valymitika,tripolis, Greece
A magnitude 7.3 earthquake struck Achaie,valymitika,tripolis, Greece on December 26, 1861 at 05:00 UTC. It caused a tsunami.
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
- December 26, 1861
- Time
- 05:00 UTC
- Place
- Achaie,valymitika,tripolis, Greece
- Magnitude
- 7.3 (Ms)
- Intensity
- 10 on the Modified Mercalli scale
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 38.200° N, 22.200° E
- Country
- Greece
The toll
- Deaths
- Few (about 1 to 50)
- Damage
- Limited (under about $1 million); Moderate (about $1 to $5 million) with its tsunami and other effects
- Houses destroyed
- Many (101 to 1,000)
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 #1198 lists December 26, 06 49 UT, epicenter 38.3N, 22.3E, intensity XI.
The earthquake occurred at 8 h 28m local time and affected the central part of the Gulf of Corinth, particularly the regions of Aigion, on the southern coast of the Gulf, and Galaxidi, on the northern coast. The earthquake was recorded by a magnetometer in Munich [5], and in Athens the shock stopped a Kassel pendulum clock at the Observatory at 8 h 50m. (reference #9116)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- December 856, Korinthos,patrai (Patras), Greece
- July 7, 551, Schisma, Boetia, Greece
- June 426 BC, Euboea, Greece
- September 30, 1636, Cephalonia, Greece
- August 12, 1953, Lixouri-Argostoli (Kephallenia), Greece
- December 29, 1820, Zakinthos (Zante), Greece
- August 27, 1886, Triphylie (Peleponese), Philiatra, Greece
- July 11, 1767, Kefalonia, Greece
- April 20, 1894, Locride, Malesina-Martinon (Lokris), Greece
- February 4, 1867, Cephalonia, Greece
- September 7, 1999, Athens, Greece
- August 23, 1817, Aeghion, Achaia, Greece
- February 25, 1742, Zakynthos, Greece
- August 1, 1870, Itea Delphi (Phokis), Greece
- September 30, 1870, Greece
More
Significant earthquakes of 1861The 1800sRecent 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 2052.