M3.2 earthquake 11 km ESE of Askós, Greece
A magnitude 3.2 earthquake struck 11 km ESE of Askós, Greece on Mon, Aug 21, 1978, 4:40 AM GMT+3 (01:40 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.6 3 km ESE of Gerakaroú, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.2 (mb), minor
- Local time
- UTC
- 1978-08-21 01:40:59 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 40.716° N, 23.511° 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
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 5 in the 30 days before it.
After
- 3.63 km ESE of Gerakaroú, Greece · 17563 days ago · 10 km deep · 24 km away
- 4.17 km NE of Gerakaroú, Greece · 17552 days ago · 10 km deep · 21 km away
- 3.910 km SSE of Kassándreia, Greece · 17537 days ago · 10 km deep · 84 km away
- 3.72 km NE of Lagkadás, Greece · 17527 days ago · 10 km deep · 36 km away
Before
- 3.611 km NNE of Néa Apollonía, Greece · 17566 days ago · 10 km deep · 1 km away
- 3.71 km SSE of Lagkadás, Greece · 17581 days ago · 10 km deep · 37 km away
- 3.23 km NNW of Sochós, Greece · 17584 days ago · 10 km deep · 21 km away
- 3.76 km N of Kolchikón, Greece · 17584 days ago · 10 km deep · 34 km away
- 3.38 km ENE of Galátista, Greece · 17585 days ago · 10 km deep · 27 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000w52. Read Wed, Sep 23, 2026, 8:59 PM UTC.