M7.1 earthquake 13 km SSW of Düzce, Turkey
A magnitude 7.1 earthquake struck 13 km SSW of Düzce, Turkey on Sun, May 26, 1957, 8:33 AM GMT+2 (06:33 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.1 (mw), major
- Local time
- UTC
- 1957-05-26 06:33:37 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 40.730° N, 31.090° E
- Region
- Turkey
- Strongest shaking
- VIII, severe 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
- VIII, severe shaking
- Peak ground acceleration
- 33.9% of gravity
- Peak ground velocity
- 3.6 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
- ±0.57
- 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: 7 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.619 km SSE of Hendek, Turkey · 25321 days ago · 15 km deep · 22 km away
- 6.021 km ESE of Akyaz?, Turkey · 25321 days ago · 15 km deep · 23 km away
- 5.821 km SW of Düzce, Turkey · 25320 days ago · 15 km deep · 9 km away
- 5.42 km E of Hendek, Turkey · 25318 days ago · 15 km deep · 27 km away
- 5.517 km WSW of Düzce, Turkey · 25315 days ago · 15 km deep · 11 km away
- 5.213 km SW of Düzce, Turkey · 25315 days ago · 15 km deep · 5 km away
- 5.320 km ESE of Hendek, Turkey · 25315 days ago · 15 km deep · 10 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem886602. Read Tue, Sep 22, 2026, 3:36 PM UTC.