M6.3 earthquake 9 km WNW of Marmara, Turkey
A magnitude 6.3 earthquake struck 9 km WNW of Marmara, Turkey on Fri, Jan 4, 1935, 4:41 PM GMT+2 (14:41 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mw), strong
- Local time
- UTC
- 1935-01-04 14:41:30 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 40.620° N, 27.451° 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
- 29.1% of gravity
- Peak ground velocity
- 3.2 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
- ±0.30
- 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 todayTurkey earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem904020. Read Tue, Sep 22, 2026, 10:46 AM UTC.