Greece earthquakes

M3.4 earthquake 37 km SSE of Skýros, Greece

A magnitude 3.4 earthquake struck 37 km SSE of Skýros, Greece on Sat, Jun 23, 1990, 7:40 PM GMT+3 (16:40 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.0 9 km NE of Psachná, Greece. This one was a foreshock.

Néa Mákri forecastMore in Greece

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.4 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1990-06-23 16:40:33 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
38.570° N, 24.649° 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: 13 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 3.129 km ESE of Skýros, Greece · 13241 days ago · 10 km deep · 30 km away
  2. 3.244 km W of Eresós, Greece · 13219 days ago · 10 km deep · 95 km away
  3. 2.818 km ESE of Oxílithos, Greece · 13217 days ago · 10 km deep · 32 km away
  4. 4.09 km NE of Psachná, Greece · 13216 days ago · 33 km deep · 82 km away
  5. 3.516 km NE of Psachná, Greece · 13216 days ago · 8 km deep · 76 km away
  6. 3.3Aegean Sea · 13214 days ago · 10 km deep · 59 km away
  7. 2.85 km WSW of Néa Stíra, Greece · 13213 days ago · 10 km deep · 63 km away
  8. 3.136 km SE of Skýros, Greece · 13212 days ago · 10 km deep · 25 km away
  9. 2.82 km N of Afrátion, Greece · 13210 days ago · 5 km deep · 85 km away
  10. 2.80 km SSE of Áyios Nikólaos, Greece · 13210 days ago · 10 km deep · 89 km away
  11. 3.149 km N of Andros, Greece · 13209 days ago · 28 km deep · 46 km away
  12. 3.018 km ENE of Prokópi, Greece · 13200 days ago · 5 km deep · 86 km away
  13. 3.028 km ESE of Skýros, Greece · 13196 days ago · 10 km deep · 30 km away

Before

  1. 2.947 km WSW of Psará, Greece · 13256 days ago · 10 km deep · 47 km away
  2. 3.351 km N of Andros, Greece · 13256 days ago · 10 km deep · 41 km away
  3. 3.146 km WSW of Psará, Greece · 13272 days ago · 10 km deep · 48 km away
  4. 3.430 km N of Psará, Greece · 13280 days ago · 33 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004awx. Read Fri, Oct 2, 2026, 12:12 PM UTC.