January 9, 869 Earthquake: Turkey
An earthquake struck Turkey on January 9, 869.
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
- January 9, 869
- Place
- Turkey
- Intensity
- 10 on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 41.000° N, 29.000° E
- Country
- Turkey
The toll
- Deaths
- Few (about 1 to 50)
- Damage
- Moderate (about $1 to $5 million)
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.
867 January 09. 41.04 N 28.98 E, intensity VII (reference #1071)
867 January 09. 41 N 29 E, intensity IX (reference #1149)
AD 869 Jan 9 Constantinople. An earthquake caused some damage in the region of Constantinople, killing a number of people […] The earthquake happened on Sunday, on the festival of St Polyeuctus, in the third year of Basil I, before the opening of the eighth Synod, which met on 5 October 869, that is on 9 January 869, on which date the event was commemorated by the church. Nicetas Paphlagon (a contemporary), Leo the Grammarian (writing in the tenth or eleventh century) and the Synaxary of Constantinople ( dating from about the tenth century) all record that this earthquake happened on 9 January (the Feast of St Polyeuctus) during the reign of Basil I (AD 867-886). (reference #9116)
869 Jan 9. An earthquake caused considerable damage in Constantinople, killing a number of people. The shock damaged the cathedral of Sta Sophia, part of which collapsed. The church of the Apostles which was damaged by the earthquake of 861, collapsed, together with the church of the Virgin at Sigma which fell during mass killing all in it except four people. A long series of aftershocks, some of them strong enough to cause additional damage in the city, continued for 40 days. (reference #14000)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- August 17, 1999, Istanbul, Kocaeli, Sakarya, Turkey
- May 25, 1719, Turkey
- September 10, 1509, Istanbul, Turkey
- May 22, 1766, Turkey
- August 9, 1912, Marmara Sea, Turkey
- February 28, 1855, Tayabas, Bursa, Turkey
- September 2, 1754, Izmit, Turkey
- July 10, 1894, Turkey
- April 29, 1855, Bursa, Turkey
- March 18, 1953, Yenice, Onon, Turkey
- October 11, 367, Iznik,nicaea, Turkey
- November 12, 1999, Bolu-Duzce-Kaynasli, Adapazari, Zonguldak, Turkey
- May 12, 1866, Goynuk, Turkey
- April 11, 1855, Bursa, Turkey
- June 20, 1943, Hendek, Adapazari, Turkey
More
Significant earthquakes of 869The 800sRecent 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 245.