Greece earthquakes

M5.5 earthquake 24 km WNW of Itháki, Greece

A magnitude 5.5 earthquake struck 24 km WNW of Itháki, Greece on Wed, Aug 12, 1953, 8:08 AM GMT+2 (06:08 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M6.8 15 km ENE of Póros, Greece. This one was a foreshock.

Préveza forecastMore in Greece

Map

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

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The earthquake

Magnitude
5.5 (mw), moderate
Local time
UTC
1953-08-12 06:08:07 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
38.468° N, 20.472° E
Region
Greece
Strongest shaking
VI, strong shaking
Tsunami flag
No
Status
Reviewed by a seismologist

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
16.4% 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?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.20
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 10 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 6.815 km ENE of Póros, Greece · 26706 days ago · 10 km deep · 52 km away
  2. 5.617 km SSE of Póros, Greece · 26706 days ago · 15 km deep · 60 km away
  3. 6.210 km NE of Katastárion, Greece · 26706 days ago · 15 km deep · 70 km away
  4. 5.719 km SE of Póros, Greece · 26706 days ago · 15 km deep · 63 km away
  5. 6.013 km E of Póros, Greece · 26706 days ago · 15 km deep · 54 km away
  6. 5.519 km SE of Póros, Greece · 26706 days ago · 15 km deep · 62 km away
  7. 5.45 km ENE of Póros, Greece · 26705 days ago · 15 km deep · 45 km away
  8. 5.35 km NNE of Zakynthos, Greece · 26701 days ago · 15 km deep · 82 km away
  9. 5.77 km NNE of Póros, Greece · 26673 days ago · 15 km deep · 41 km away
  10. 5.619 km E of Póros, Greece · 26647 days ago · 15 km deep · 56 km away

Before

  1. 5.45 km SE of Póros, Greece · 26707 days ago · 15 km deep · 49 km away
  2. 5.424 km NW of Itháki, Greece · 26707 days ago · 15 km deep · 7 km away
  3. 6.513 km ESE of Itháki, Greece · 26707 days ago · 10 km deep · 38 km away
  4. 6.38 km NE of Póros, Greece · 26709 days ago · 15 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem891902. Read Thu, Sep 24, 2026, 10:31 AM UTC.