QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0009d4z
USGS usp0009d4z
17 Aug 1999, 01:01
4 km ESE of Derince, Turkey
A magnitude 7.6 mwc earthquake at 17 km depth.
Published location
Where is 4 km ESE of Derince, Turkey?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
40.748000, 29.864000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp0009d4z
Coordinates
40.748, 29.864
Network
us
Significance
889