November 11, 1999 Earthquake: Adapazari, Koceali, Golcuk, Turkey
A magnitude 5.7 earthquake struck Adapazari, Koceali, Golcuk, Turkey on November 11, 1999 at 14:41:25 UTC, 22 km below the surface. It killed 2 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
- November 11, 1999
- Time
- 14:41:25 UTC
- Place
- Adapazari, Koceali, Golcuk, Turkey
- Magnitude
- 5.7 (Mw)
- Focal depth
- 22 km (14 mi)
- Tsunami
- None recorded
- Epicenter
- 40.744° N, 30.266° E
- Country
- Turkey
The toll
- Deaths
- 2
- Injuries
- 171
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.
One person killed, one died of a heart attack and 156 injured at Sakarya. Thirteen people injured at Kocaeli and two injured at Golcuk. Felt at Istanbul and Sapanca. (reference #1053)
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
- February 28, 1855, Tayabas, Bursa, Turkey
- September 2, 1754, Izmit, Turkey
- July 10, 1894, Turkey
- April 29, 1855, Bursa, Turkey
- March 28, 1970, Gediz, 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
- July 22, 1967, Mudurnu, Adapazari, Turkey
More
Significant earthquakes of 1999The 1900sEvery quake the USGS located in 1999Recent 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 5542.