Greece earthquakes

M5.5 earthquake 43 km ESE of Sykiá, Greece

A magnitude 5.5 earthquake struck 43 km ESE of Sykiá, Greece on Thu, Jul 23, 1992, 11:12 PM GMT+3 (20:12 UTC), 7 km (4 mi) below the surface.

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

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The earthquake

Magnitude: 5.5 (Mw, moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Thu, Jul 23, 1992, 11:12 PM GMT+3
UTC: 1992-07-23 20:12:42 UTC
Depth: 6.6 km (4.1 mi), shallow
Epicenter: 39.847° N, 24.390° E
Region: Greece
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
5.5	Mw, moment	USGS National Earthquake Information Center	Preferred · Reviewed
5.42	Mw, moment	ISC-GEM global catalog	Final · ±0.1
5.4	Mwc, centroid moment	Global CMT project	Preliminary

What happened

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

Felt on Marmara Island and at Canakkale, Turkey. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 21S, 39C Centroid Location: Origin Time 20:12:50.4 0.5 Lat 39.88N 0.05 Lon 24.68E 0.07 Dep 15.0 FIX Half-duration 1.8 Moment Tensor; Scale 10**17 Nm Mrr=-0.59 0.06 Mtt=0.69 0.06 Mff=-0.10 0.05 Mrt=-0.17 0.20 Mrf=1.17 0.14 Mtf=-1.02 0.07 Principal Axes: (T) Val=1.71 Plg=22 Azm=222 (N) Val=-0.04 Plg=38 Azm=331 (P) Val=-1.67 Plg=44 Azm=110 Best Double Couple:Mo=1.7*10**17 NP1:Strike=267 Dip=41 Slip=-160 NP2:Strike=161 Dip=77 Slip=-50

From the USGS event page for usp0005bb7. 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 26 in the 60 days after this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0005bb7 (also filed as gcmtb072392d, gcmt19920723201242, iscgem283758). Read Mon, Oct 5, 2026, 1:22 PM UTC.