M5.5 earthquake 17 km WSW of Methóni, Greece
A magnitude 5.5 earthquake struck 17 km WSW of Methóni, Greece on Wed, Jan 23, 1957, 7:26 PM GMT+2 (17:26 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M6.0 76 km S of Methóni, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1957-01-23 17:26:54 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 36.771° N, 21.519° E
- Region
- Greece
- Strongest shaking
- V, moderate 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
- V, moderate shaking
- Peak ground acceleration
- 8.2% of gravity
- Peak ground velocity
- 1.4 cm/s
- Map
- Automatic
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: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem885863. Read Tue, Sep 22, 2026, 3:00 PM UTC.