M4.0 earthquake Ionian Sea
A magnitude 4.0 earthquake struck in the Ionian Sea on Fri, Nov 14, 1975, 2:30 AM GMT+3 (23:30 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.2 44 km W of Pýlos, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1975-11-13 23:30:33 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 37.368° N, 20.887° E
- Region
- Greece
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.218 km WNW of Filiatrá, Greece · 18581 days ago · 78 km deep · 48 km away
- 3.45 km ENE of Kréstena, Greece · 18573 days ago · 125 km deep · 75 km away
- 3.81 km ESE of Chávari, Greece · 18571 days ago · 57 km deep · 70 km away
- 4.244 km W of Pýlos, Greece · 18569 days ago · 55 km deep · 64 km away
- 3.72 km E of Amaliáda, Greece · 18557 days ago · 27 km deep · 65 km away
- 3.0Greece · 18537 days ago · 33 km deep · 78 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000dk2. Read Thu, Oct 1, 2026, 7:24 PM UTC.