Light mag. 3.4 earthquake - 7.5 km E of Néon Karlovásion, Greece, on Saturday, 31 Oct 2020 8:03 am (GMT +2) -

This quake was likely an aftershock of the 6.7 quake Aegean Sea, 17 km northeast of Karlovasi, Samos, North Aegean, Greece, 30 Oct 2020 1:51 pm (GMT +2), which had occurred 18 hours earlier.
Light mag. 3.4 earthquake - 7.5 km E of Néon Karlovásion, Greece, on Saturday, 31 Oct 2020 8:03 am (GMT +2)

Light magnitude 3.4 earthquake at 5 km depth

31 Oct 06:07 UTC: First to report: EMSC after 4 minutes.
31 Oct 06:08: Epicenter location corrected by 1.8 km (1.1 mi) towards W.
31 Oct 06:12: Magnitude recalculated from 3.3 to 3.5. Epicenter location corrected by 1.1 km (0.7 mi) towards N.
31 Oct 06:14: Magnitude recalculated from 3.5 to 3.4. Epicenter location corrected by 3.4 km (2.1 mi) towards SE.
Date & time: 31 Oct 2020 06:03:13 UTC -
Local time at epicenter: Saturday, 31 Oct 2020 8:03 am (GMT +2)
Magnitude: 3.4
Depth: 5.0 km
Epicenter latitude / longitude: 37.8°N / 26.79°E (Samos, North Aegean, Greece)
Nearest volcano: Akyarlar (106 km / 66 mi)
Nearby towns and cities:
1 km (1 mi) W of Ampelos (pop: 252) --> See nearby quakes!
8 km (5 mi) E of Karlovasi (pop: 6,710) --> See nearby quakes!
13 km (8 mi) NW of Mytilinioi (pop: 1,980) --> See nearby quakes!
42 km (26 mi) W of Kusadasi (Aydın, Turkey) (pop: 63,200) --> See nearby quakes!
54 km (34 mi) W of Söke (Aydın, Turkey) (pop: 68,200) --> See nearby quakes!
58 km (36 mi) S of Urla (İzmir, Turkey) (pop: 45,200) --> See nearby quakes!
71 km (44 mi) SSW of Karabağlar (İzmir, Turkey) (pop: 458,000) --> See nearby quakes!
85 km (53 mi) SE of Chios (pop: 24,000) --> See nearby quakes!
147 km (91 mi) S of Mytilene (Mitilini) (pop: 28,300) --> See nearby quakes!
270 km (167 mi) E of Athens (Attica) (pop: 664,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds 16°C (61 F), humidity: 87%, wind: 4 m/s (7 kts) from NNW
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudeDepthLocationSource
M 3.45 kmDodecanese Islands, GreeceEMSC
M 3.45.4 kmSisam Adasi (aegean Sea), GreeceKOERI-RETMC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
146.1 km N of epicenter [Map] / Light shaking (MMI IV)
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area since 1900


Map of earlier quakes

Volcanoes & Earthquakes - new app for Android
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.