Greece earthquakes

M5.4 earthquake 10 km NNE of Skiáthos, Greece

A magnitude 5.4 earthquake struck 10 km NNE of Skiáthos, Greece on Sun, Mar 19, 1989, 7:36 AM GMT+2 (05:36 UTC), 10 km (6 mi) below the surface.

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Map

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The earthquake

Magnitude: 5.4 (Mw, moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Sun, Mar 19, 1989, 7:36 AM GMT+2
UTC: 1989-03-19 05:36:58 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 39.254° N, 23.516° E
Region: Greece
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
5.4	Mw, moment	USGS National Earthquake Information Center	Preferred · Reviewed
5.37	Mw, moment	ISC-GEM global catalog	Final · ±0.1
5.4	Mwc, centroid moment	Global CMT project	Preliminary

What happened

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

Minor damage on Skiathos. Felt in central and eastern Greece. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 13S, 32C Centroid Location: Origin Time 05:37: 2.5 0.6 Lat 38.61N 0.08 Lon 23.53E 0.05 Dep 15.0 FIX Half-duration 2.0 Moment Tensor; Scale 10**17 Nm Mrr=0.60 0.07 Mtt=1.12 0.12 Mff=-1.72 0.08 Mrt=0.00 0.00 Mrf=0.00 0.00 Mtf=-0.27 0.06 Principal Axes: (T) Val=1.14 Plg=0 Azm=185 (N) Val=0.60 Plg=90 Azm=180 (P) Val=-1.75 Plg=0 Azm=95 Best Double Couple:Mo=1.4*10**17 NP1:Strike=230 Dip=90 Slip=180 NP2:Strike=320 Dip=90 Slip=0

From the USGS event page for usp0003t20. 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: 18.7% 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?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 147 in the 60 days after this one and 24 in the 30 days before it.

After

The first 60 of 147.

Before

Earthquakes today Greece earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003t20 (also filed as gcmtb031989d, gcmt19890319053659, iscgem410440, atlas19890319053658). Read Fri, Oct 2, 2026, 6:17 PM UTC.