Significant earthquakes of 1999

November 11, 1999 Earthquake: Adapazari, Koceali, Golcuk, Turkey

November 11, 1999 · M5.7 · 2 deaths

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.

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.