Turkey earthquakes

M5.0 earthquake 8 km E of Akyaz?, Turkey

A magnitude 5.0 earthquake struck 8 km E of Akyaz?, Turkey on Sun, Nov 7, 1999, 6:54 PM GMT+2 (16:54 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M7.2 8 km S of Düzce, Turkey. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 5.0 (Mwc, centroid moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Sun, Nov 7, 1999, 6:54 PM GMT+2
UTC: 1999-11-07 16:54:41 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 40.693° N, 30.725° E
Region: Turkey
Strongest shaking: VI, strong shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
5.0	Mwc, centroid moment	USGS National Earthquake Information Center	Preferred · Reviewed
4.9	Mwc, centroid moment	Global CMT project	Preliminary

What happened

The USGS’s account of the effects of this earthquake.

One person died from a heart attack at Hendek. Felt at Bursa, Eskisehir, Istanbul, Izmit and Sakarya.

From the USGS event page for usp0009h7v. U.S. Geological Survey text and figures are in the public domain.

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: VI, strong shaking
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique reverse
Nodal plane 1: Strike 47°, dip 25°, rake 51°
Nodal plane 2: Strike 269°, dip 71°, rake 106°

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.0 and up: 88 in the 60 days after this one and 11 in the 30 days before it.

After

The first 60 of 88.

Before

Earthquakes today Turkey earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0009h7v (also filed as gcmtb110799c, gcmt19991107165441, atlas19991107165441). Read Sat, Oct 3, 2026, 12:13 AM UTC.