M7.1 earthquake 27 km SSE of Sarigerme, Turkey
A magnitude 7.1 earthquake struck 27 km SSE of Sarigerme, Turkey on Wed, Apr 24, 1957, 9:10 PM GMT+2 (19:10 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M7.3 34 km S of Sarigerme, Turkey. This one was a foreshock.
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
- 1957-04-24 19:10:13 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 36.493° N, 28.829° E
- Region
- Turkey
- Strongest shaking
- VII, very 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
- VII, very strong shaking
- Peak ground acceleration
- 25.9% of gravity
- Peak ground velocity
- 3.1 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: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTurkey earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem886445. Read Tue, Sep 22, 2026, 7:21 AM UTC.