Moderate mag. 4.2 earthquake - 138 km southeast of Thessaloníki, Thessaloniki, Greece, on 27 Sep 3:22 pm (GMT +3) -

This quake was likely an aftershock of the 5.2 quake Aegean Sea, 33 km east of Sykia, Chalkidikí, Central Macedonia, Greece, 27 Sep 1:50 am (GMT +3), which had occurred 14 hours earlier.
Moderate mag. 4.2 earthquake - 138 km southeast of Thessaloníki, Thessaloniki, Greece, on 27 Sep 3:22 pm (GMT +3)

Moderate magnitude 4.2 earthquake at 18 km depth

27 Sep 12:25 UTC: First to report: GFZ after 3 minutes.
27 Sep 12:28: Magnitude recalculated from 4.4 to 4.3. Epicenter location corrected by 1.1 km (0.7 mi) towards N.
27 Sep 12:36: Now using data updates from NOA
27 Sep 13:36: Hypocenter depth recalculated from 19.0 to 18.0 km (from 11.8 to 11.2 mi). Epicenter location corrected by 1.4 km (0.9 mi) towards SE.
Date & time: 27 Sep 2020 12:22:19 UTC -
Local time at epicenter: 27 Sep 3:22 pm (GMT +3)
Magnitude: 4.2
Depth: 18.0 km
Epicenter latitude / longitude: 39.99°N / 24.32°E (Aegean Sea, Greece)
Nearest volcano: Sousaki (249 km / 155 mi)
Nearby towns and cities:
28 km (18 mi) E of Kalamitsi (pop: 39) --> See nearby quakes!
33 km (20 mi) E of Sykia (pop: 1,900) --> See nearby quakes!
47 km (29 mi) ESE of Neos Marmaras (pop: 3,160) --> See nearby quakes!
48 km (30 mi) SE of Pirgos (pop: 1,050) --> See nearby quakes!
59 km (37 mi) SE of Ierissos (Chalkidikí) (pop: 3,270) --> See nearby quakes!
60 km (37 mi) E of Pefkochori (pop: 1,930) --> See nearby quakes!
65 km (40 mi) W of Myrina (Mirina) (pop: 5,410) --> See nearby quakes!
106 km (66 mi) S of Kavala (pop: 54,000) --> See nearby quakes!
138 km (86 mi) ESE of Thessaloniki (pop: 354,300) --> See nearby quakes!
229 km (142 mi) NNE of Athens (pop: 664,000) --> See nearby quakes!
51 km (32 mi) SE of Nisida Ammouliani Island (pop: 547) --> See nearby quakes!
168 km (104 mi) N of Euboea Island (pop: 198,100) --> See nearby quakes!
189 km (118 mi) WNW of Lesvos Island (pop: 86,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 23°C (73 F), humidity: 64%, wind: 7 m/s (14 kts) from SSE
Primary data source: NOA (National Observatory of Athens)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) More info
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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.
4.218 km30 Km SSE of Karyes, GreeceNOA
4.218 kmAegean Sea, GreeceEMSC
4.310 kmAegean Sea, GreeceGFZ
4.413 km27 Km SSE of Karyes, GreeceKOERI-RETMC
4.710 km31 Km SSE of Karyes, GreeceUSGS
4.318 kmSarti / Ägäis, GreeceZAMG

User reports for this quake (10)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Ano Kastritsi, Achaea, West Greece (280.1 km SW of epicenter) [Map] / not felt (reported through our app)
Limenas Thasou, Kavala, East Macedonia and Thrace (93.9 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s (reported through our app)
Sultanbeyli (Turkey, 433 km E of epicenter) : Çok hafif hissettik. (reported through EMSC)  
Konak (Turkey, 299 km SE of epicenter) : izmirde hissetmedik (reported through EMSC)  
Néa Fókaia (Greece, 80 km W of epicenter) : Δεν τον αισθανθήκαμε στη Νέα Φώκαια (reported through EMSC)  
Néa Skióni (Greece, 68 km W of epicenter) : Short but strong (reported through EMSC)  
Políkhronon (Greece, 68 km W of epicenter) : Ένα ελαφρύ κούνημα, πολυχρονο Χαλκιδικής (reported through EMSC)  
Pefkochóri (Greece, 60 km W of epicenter) : PEFKOHORI again nce shake (reported through EMSC)  
Sykiá (Greece, 33 km W of epicenter) : During these vacations we have felt three earthquakes, this one was very small, the one last night was very noticeable. (reported through EMSC)  
Karyes (Greece, 31 km NW of epicenter) : Short duration but strong movement (reported through EMSC)  
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