Light mag. 3.9 earthquake - 76 km southwest of İzmir, Turkey, Greece, on Friday, 30 Oct 2020 11:46 pm (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 10 hours earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Greece | Quakes in Turkey| North Aegean | Izmir | Aydın | Attica

Light magnitude 3.9 earthquake at 14 km depth
30 Oct 21:50 UTC: First to report: EMSC after 4 minutes.
30 Oct 21:54: Magnitude recalculated from 3.7 to 4.1. Hypocenter depth recalculated from 13.0 to 10.0 km (from 8.1 to 6.2 mi). Epicenter location corrected by 4.2 km (2.6 mi) towards ESE.
30 Oct 22:41: Now using data updates from NOA
30 Oct 21:54: Magnitude recalculated from 3.7 to 4.1. Hypocenter depth recalculated from 13.0 to 10.0 km (from 8.1 to 6.2 mi). Epicenter location corrected by 4.2 km (2.6 mi) towards ESE.
30 Oct 22:41: Now using data updates from NOA
Date & time: 30 Oct 2020 21:46:25 UTC -
Local time at epicenter: Friday, 30 Oct 2020 11:46 pm (GMT +2)
Magnitude: 3.9
Depth: 14.0 km
Epicenter latitude / longitude: 37.8122°N / 26.7142°E

Nearest volcano: Akyarlar (107 km / 66 mi)
Nearby towns and cities:
2 km (1 mi) WNW of Agios Dimitrios (pop: 240) --> See nearby quakes!
2 km (1 mi) NNE of Karlovasi (pop: 6,710) --> See nearby quakes!
19 km (12 mi) WNW of Mytilinioi (pop: 1,980) --> See nearby quakes!
44 km (27 mi) SSW of Seferihisar (Turkey) (pop: 19,600) --> See nearby quakes!
48 km (30 mi) W of Kusadasi (Turkey) (pop: 63,200) --> See nearby quakes!
57 km (35 mi) S of Urla (Turkey) (pop: 45,200) --> See nearby quakes!
61 km (38 mi) W of Söke (Turkey) (pop: 68,200) --> See nearby quakes!
73 km (45 mi) SSW of Karabağlar (Turkey) (pop: 458,000) --> See nearby quakes!
80 km (50 mi) SE of Chios (pop: 24,000) --> See nearby quakes!
263 km (163 mi) E of Athens (pop: 664,000) --> See nearby quakes!
88 km (55 mi) SE of Chios Island (pop: 32,400) --> See nearby quakes!
45 km (28 mi) NNW of Agathonisi Island (pop: 150) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
18°C (64 F), humidity: 88%, wind: 2 m/s (4 kts) from WNW
Primary data source: NOA (National Observatory of Athens)Few Clouds

Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) More info
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.
Magnitude | Depth | Location | Source |
M 3.9 | 14 km | 48 Km W of Kusadasi, Greece | NOA |
M 4.1 | 9.5 km | Sisam Adasi (aegean Sea), Greece | KOERI-RETMC |
M 3.9 | 13 km | Dodecanese Islands, Greece | EMSC |
User reports for this quake (13)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Pythagóreio (Greece, 22 km SE of epicenter) : Could feel the house moved. (reported through EMSC)
(Greece, 204 km S of epicenter) : Short jolts (reported through EMSC)
Palaió Fáliro (Greece, 269 km W of epicenter) : Short jolt just felt (reported through EMSC)
Çanakkale (Turkey, 260 km NW of epicenter) : , (reported through EMSC)
Balıkesir (Turkey, 224 km NE of epicenter) : şu alttan vurdu diyen salaklara alttan alttan yapıştırasım var (reported through EMSC)
Manisa (Turkey, 105 km NE of epicenter) : Small sway (reported through EMSC)
Vrontádos (Greece, 85 km NW of epicenter) : Χιος (reported through EMSC)
Karşıyaka (Turkey, 76 km NE of epicenter) : Salladı 11.kat:/ baş dönmesi gibi (reported through EMSC)
İzmir (Turkey, 73 km NE of epicenter) : Bad :-(( (reported through EMSC)
Buca (Turkey, 72 km NE of epicenter) : Alttan vurdu (reported through EMSC)
Didim (Turkey, 66 km SE of epicenter) : We have been feeling every single one of them (reported through EMSC)
Kuşadası (Turkey, 44 km E of epicenter) : Kusadasi (reported through EMSC)
Palaiókastro (Greece, 23 km SE of epicenter) : Samos big short rattle scary (reported through EMSC)
Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 09 Jul 1956 03:11| 7.7 |20km / 12.4mi|65 years ago|144km / 90mi| Aegean Sea, 19 km S of Amorgos, Nomos Kykladon, South Aegean, Greece
- 25 Apr 1957 02:25| 7.3 |35km / 22mi|64 years ago|236km / 146mi| Eastern Mediterranean, 46 km SW of Fethiye, Muğla, Turkey
- 09 Feb 1948 12:58| 7.3 |15km / 9.3mi|73 years ago|246km / 153mi| 15 km N of Karpathos, Dodecanese, South Aegean, Greece
- 19 Dec 1981 14:10| 7.2 |10km / 6.2mi|39 years ago|205km / 127mi| Aegean Sea, 125 km NW of Chios, North Aegean, Greece
- 19 Feb 1968 22:45| 7.2 |15km / 9.3mi|53 years ago|231km / 143mi| Aegean Sea, 57 km S of Myrina, Lesvos, North Aegean, Greece
- 24 Apr 1957 19:10| 7.1 |35km / 22mi|64 years ago|238km / 148mi| Eastern Mediterranean, 27 km SE of Sarigerme, Ortaca, Muğla, Turkey
- 26 Jun 1926 19:46| 6.9 |15km / 9.3mi|95 years ago|126km / 78mi| Aegean Sea, 16 km SW of Kéfalos, Dodecanese, South Aegean, Greece
- 30 Oct 2020 11:51| 6.7 |2km / 1.2mi|18 weeks ago|15km / 9mi| Aegean Sea, 17 km NE of Karlovasi, Samos, North Aegean, Greece
- 20 Jul 2017 22:31| 6.6 |11km / 6.8mi|4 years ago|118km / 73mi| Aegean Sea, 11 km SE of Bodrum, Muğla, Turkey
- 16 Jul 1955 07:07| 6.6 |15km / 9.3mi|66 years ago|55km / 34mi| 18 km SW of Söke, Aydın, Turkey
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