M3.3 earthquake 5 km NE of Portariá, Greece
A magnitude 3.3 earthquake struck 5 km NE of Portariá, Greece on Tue, Jun 2, 1981, 5:04 AM GMT+3 (02:04 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.6 13 km S of Néos Marmarás, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 1981-06-02 02:04:18 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 39.423° N, 23.043° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 7 in the 30 days before it.
After
- 3.613 km S of Néos Marmarás, Greece · 16542 days ago · 10 km deep · 89 km away
- 3.44 km SW of Agriá, Greece · 16538 days ago · 11 km deep · 14 km away
- 3.4Greece · 16535 days ago · 6 km deep · 72 km away
- 3.311 km ENE of Istiaía, Greece · 16535 days ago · 33 km deep · 52 km away
- 3.26 km W of Soúrpi, Greece · 16519 days ago · 10 km deep · 41 km away
- 3.014 km SSE of Argalastí, Greece · 16503 days ago · 10 km deep · 42 km away
- 3.010 km WNW of Evxinoúpolis, Greece · 16489 days ago · 14 km deep · 41 km away
Before
- 3.16 km SW of Volos, Greece · 16549 days ago · 10 km deep · 17 km away
- 3.111 km SW of Skópelos, Greece · 16559 days ago · 33 km deep · 66 km away
- 3.53 km S of Volos, Greece · 16561 days ago · 16 km deep · 14 km away
- 3.55 km NE of Amfíkleia, Greece · 16567 days ago · 34 km deep · 91 km away
- 2.96 km NNE of Néa Anchiálos, Greece · 16573 days ago · 10 km deep · 19 km away
- 4.44 km NW of Néa Anchiálos, Greece · 16576 days ago · 30 km deep · 27 km away
- 3.310 km NNE of Roviés, Greece · 16577 days ago · 10 km deep · 61 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001dzk. Read Tue, Sep 22, 2026, 9:32 PM UTC.