Greece earthquakes

M5.4 earthquake 86 km S of Methóni, Greece

A magnitude 5.4 earthquake struck 86 km S of Methóni, Greece on Sat, Apr 17, 1999, 11:17 AM GMT+3 (08:17 UTC), 40 km (25 mi) below the surface.

Kalamata forecast More in Greece

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 5.4 (Mwc, centroid moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Sat, Apr 17, 1999, 11:17 AM GMT+3
UTC: 1999-04-17 08:17:58 UTC
Depth: 40.2 km (25.0 mi), shallow
Epicenter: 36.038° N, 21.683° 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
5.4	Mwc, centroid moment	USGS National Earthquake Information Center	Preferred · Reviewed
5.33	Mw, moment	ISC-GEM global catalog	Final · ±0.1
5.3	Mwc, centroid moment	Global CMT project	Preliminary

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: Reverse (thrust)
Nodal plane 1: Strike 160°, dip 43°, rake 95°
Nodal plane 2: Strike 334°, dip 47°, rake 86°

Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 19 in the 60 days after this one and 3 in the 30 days before it.

After

Before

Earthquakes today Greece earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00096f3 (also filed as gcmtb041799d, gcmt19990417081758, iscgem1624823). Read Sun, Oct 4, 2026, 2:32 PM UTC.