Turkey earthquakes

M5.2 earthquake 20 km WSW of Seferihisar, Turkey

A magnitude 5.2 earthquake struck 20 km WSW of Seferihisar, Turkey on Mon, Oct 17, 2005, 12:55 PM GMT+3 (09:55 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M5.9 9 km WSW of Seferihisar, Turkey. This one was a foreshock.

Seferihisar forecast More in Turkey

Map

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

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The earthquake

Magnitude: 5.2 (Mwc, centroid moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Mon, Oct 17, 2005, 12:55 PM GMT+3
UTC: 2005-10-17 09:55:30 UTC
Depth: 20.7 km (12.9 mi), shallow
Epicenter: 38.143° N, 26.615° E
Region: Turkey
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
5.2	Mwc, centroid moment	USGS National Earthquake Information Center	Preferred · Reviewed
5.21	Mw, moment	ISC-GEM global catalog	Final · ±0.1
5.2	Mwc, centroid moment	Global CMT project	Preliminary

What happened

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

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for usp000e20f. U.S. Geological Survey text and figures are in the public domain.

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: Strike-slip
Nodal plane 1: Strike 250°, dip 42°, rake -161°
Nodal plane 2: Strike 146°, dip 78°, rake -50°

How well it is located

Reviewed by a seismologist.

Station coverage gap: 21°
Stations used: 287

Nearest places

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

Nearby

Within 100 km, magnitude 2.2 and up: at least 199 in the 60 days after this one and 21 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Turkey earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000e20f (also filed as gcmtc200510170955a, gcmt20051017095530, iscgem7704004). Read Thu, Oct 1, 2026, 2:52 PM UTC.