M3.8 earthquake 37 km SW of Kastrí, Greece

A magnitude 3.8 earthquake struck 37 km SW of Kastrí, Greece on Wed, Dec 20, 2006, 9:27 PM GMT+2 (19:27 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.6 47 km WSW of Palaióchora, Greece. This one was a foreshock.

Map

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

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 usp000f0nm. U.S. Geological Survey text and figures are in the public domain.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 11 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp000f0nm. Read Sat, Oct 3, 2026, 8:22 AM UTC.