Greece earthquakes

M5.5 earthquake 11 km SE of Lithakiá, Greece

A magnitude 5.5 earthquake struck 11 km SE of Lithakiá, Greece on Tue, Apr 11, 2006, 3:02 AM GMT+3 (00:02 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M5.7 16 km SE of Lithakiá, Greece. 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: 5.5 (Mwc, centroid moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Tue, Apr 11, 2006, 3:02 AM GMT+3
UTC: 2006-04-11 00:02:41 UTC
Depth: 18.0 km (11.2 mi), shallow
Epicenter: 37.640° N, 20.920° E
Region: Greece
Felt reports: 10
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
5.5	Mwc, centroid moment	USGS National Earthquake Information Center	Preferred · Reviewed
5.52	Mw, moment	ISC-GEM global catalog	Final · ±0.1
5.5	Mwc, centroid moment	Global CMT project	Preliminary

Deaths and damage

From NOAA NCEI’s Significant Earthquake Database (record 7239), matched to this event by time and place.

Damage: Limited (under about $1 million)

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

NOAA’s full record of this earthquake

What happened

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

Minor damage to buildings and bridges on Zakynthos. Felt along the western coast of Greece.

From the USGS event page for usp000ee4t. 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
Peak ground acceleration: 15.4% of gravity
Peak ground velocity: 2.0 cm/s
Map: Automatic

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

Did you feel it?

10 people reported to the USGS what they felt; the strongest reported shaking was VI, strong shaking.

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 9°, dip 27°, rake 128°
Nodal plane 2: Strike 148°, dip 69°, rake 72°

How well it is located

Reviewed by a seismologist.

Station coverage gap: 40°
Stations used: 550

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: at least 199 in the 60 days after this one and 74 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Greece earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000ee4t (also filed as atlas20060411000200, atlas20060411000241, us2006ljab, gcmtc200604110002a, gcmt20060411000241, iscgem8229032). Read Fri, Oct 2, 2026, 4:00 AM UTC.