Greece earthquakes

M5.1 earthquake 19 km NNE of Skiáthos, Greece

A magnitude 5.1 earthquake struck 19 km NNE of Skiáthos, Greece on Thu, Dec 21, 2006, 8:30 PM GMT+2 (18:30 UTC), 23 km (14 mi) below the surface.

Volos forecast More in Greece

Map

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

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The earthquake

Magnitude: 5.1 (Mwc, centroid moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Thu, Dec 21, 2006, 8:30 PM GMT+2
UTC: 2006-12-21 18:30:52 UTC
Depth: 23.0 km (14.3 mi), shallow
Epicenter: 39.320° N, 23.600° 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
5.1	Mwc, centroid moment	USGS National Earthquake Information Center	Preferred · Reviewed
5.15	Mw, moment	ISC-GEM global catalog	Final · ±0.1
5.1	Mwc, centroid moment	Global CMT project	Preliminary

What happened

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

Felt at Amarousion, Psikhikon, Skiathos, Skopelos and Volos, Greece.

From the USGS event page for usp000f0qw. 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 238°, dip 75°, rake -166°
Nodal plane 2: Strike 144°, dip 76°, rake -15°

How well it is located

Reviewed by a seismologist.

Station coverage gap: 21°
Stations used: 283

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 71 in the 60 days after this one and 17 in the 30 days before it.

After

The first 60 of 71.

Before

Earthquakes today Greece earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000f0qw (also filed as gcmtc200612211830a, gcmt20061221183052, iscgem9140007). Read Fri, Oct 2, 2026, 11:50 AM UTC.