M5.6 earthquake 19 km SSE of Hendek, Turkey
A magnitude 5.6 earthquake struck 19 km SSE of Hendek, Turkey on Sun, May 26, 1957, 10:54 AM GMT+2 (08:54 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M6.0 21 km ESE of Akyaz?, Turkey. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mw), moderate
- Local time
- UTC
- 1957-05-26 08:54:49 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 40.641° N, 30.854° E
- Region
- Turkey
- 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
- 25.6% of gravity
- Peak ground velocity
- 2.6 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: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.021 km ESE of Akyaz?, Turkey · 25321 days ago · 15 km deep · 2 km away
- 5.821 km SW of Düzce, Turkey · 25320 days ago · 15 km deep · 13 km away
- 5.42 km E of Hendek, Turkey · 25318 days ago · 15 km deep · 19 km away
- 5.517 km WSW of Düzce, Turkey · 25315 days ago · 15 km deep · 18 km away
- 5.213 km SW of Düzce, Turkey · 25315 days ago · 15 km deep · 21 km away
- 5.320 km ESE of Hendek, Turkey · 25314 days ago · 15 km deep · 13 km away
Before
Earthquakes todayTurkey earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem886603. Read Tue, Sep 22, 2026, 11:12 AM UTC.