Greece earthquakes

M5.8 earthquake 36 km WNW of Filiatrá, Greece

A magnitude 5.8 earthquake struck 36 km WNW of Filiatrá, Greece on Sun, Aug 20, 1989, 9:32 PM GMT+3 (18:32 UTC), 11 km (7 mi) below the surface.

Pýrgos 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: 5.8 (Mw, moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Sun, Aug 20, 1989, 9:32 PM GMT+3
UTC: 1989-08-20 18:32:29 UTC
Depth: 10.5 km (6.5 mi), shallow
Epicenter: 37.278° N, 21.203° E
Region: Greece
Strongest shaking: V, moderate 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
5.8	Mw, moment	USGS National Earthquake Information Center	Preferred · Reviewed
5.81	Mw, moment	ISC-GEM global catalog	Final · ±0.1
5.8	Mwc, centroid moment	Global CMT project	Preliminary

What happened

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

Felt throughout most of Peloponnisos. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 14S, 34C Centroid Location: Origin Time 18:32:36.3 0.5 Lat 36.95N 0.05 Lon 21.15E 0.08 Dep 15.0 FIX Half-duration 3.0 Moment Tensor; Scale 10**17 Nm Mrr=-3.64 0.22 Mtt=7.29 0.35 Mff=-3.65 0.25 Mrt=-2.96 0.93 Mrf=0.08 0.52 Mtf=1.02 0.20 Principal Axes: (T) Val=8.12 Plg=14 Azm=175 (N) Val=-3.60 Plg=23 Azm=271 (P) Val=-4.52 Plg=63 Azm=56 Best Double Couple:Mo=6.3*10**17 NP1:Strike=237 Dip=37 Slip=-130 NP2:Strike=104 Dip=63 Slip=-64

From the USGS event page for usp0003yp8. 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: V, moderate shaking
Peak ground acceleration: 6.5% of gravity
Peak ground velocity: 1.4 cm/s
Map: Automatic

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

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from: CONSTRAINED_BY_DEPTH_PHASES

Nearest places

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

Nearby

Within 100 km, magnitude 2.8 and up: 32 in the 60 days after this one and 5 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 usp0003yp8 (also filed as gcmtb082089d, gcmt19890820183230, atlas19890820183233, iscgem395581). Read Thu, Oct 1, 2026, 4:07 PM UTC.