Light mag. 3.5 earthquake - 74 km south of İzmir, Turkey, Greece, on Saturday, 31 Oct 2020 10:37 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 1 day 9 hours earlier.
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Light magnitude 3.5 earthquake at 14 km depth
31 Oct 20:41 UTC: First to report: EMSC after 3 minutes.
31 Oct 20:42: Epicenter location corrected by 5.5 km (3.4 mi) towards NE.
31 Oct 20:49: Magnitude recalculated from 3.4 to 3.6. Hypocenter depth recalculated from 10.0 to 12.0 km (from 6.2 to 7.5 mi). Epicenter location corrected by 2.6 km (1.6 mi) towards W.
31 Oct 20:51: Now using data updates from NOA
31 Oct 20:42: Epicenter location corrected by 5.5 km (3.4 mi) towards NE.
31 Oct 20:49: Magnitude recalculated from 3.4 to 3.6. Hypocenter depth recalculated from 10.0 to 12.0 km (from 6.2 to 7.5 mi). Epicenter location corrected by 2.6 km (1.6 mi) towards W.
31 Oct 20:51: Now using data updates from NOA
Date & time: 31 Oct 2020 20:37:50 UTC -
Local time at epicenter: Saturday, 31 Oct 2020 10:37 pm (GMT +2)
Magnitude: 3.5
Depth: 14.0 km
Epicenter latitude / longitude: 37.7554°N / 27.0383°E

Nearest volcano: Akyarlar (91 km / 57 mi)
Nearby towns and cities:
3 km (2 mi) ESE of Kamara (pop: 258) --> See nearby quakes!
13 km (8 mi) ENE of Chora (pop: 1,220) --> See nearby quakes!
22 km (14 mi) WSW of Kusadasi (Turkey) (pop: 63,200) --> See nearby quakes!
23 km (14 mi) W of Davutlar (Turkey) (pop: 9,480) --> See nearby quakes!
30 km (18 mi) E of Karlovasi (pop: 6,710) --> See nearby quakes!
32 km (20 mi) W of Söke (Turkey) (pop: 68,200) --> See nearby quakes!
36 km (23 mi) SW of Selçuk (Turkey) (pop: 29,100) --> See nearby quakes!
45 km (28 mi) NNW of Didim (Turkey) (pop: 26,000) --> See nearby quakes!
52 km (33 mi) SSW of Torbalı (Turkey) (pop: 50,300) --> See nearby quakes!
292 km (181 mi) E of Athens (pop: 664,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
16°C (61 F), humidity: 87%, wind: 5 m/s (9 kts) from N
Primary data source: NOA (National Observatory of Athens)Clear Sky

Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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 3.5 | 14 km | 32 Km W of Soeke, Greece | NOA |
M 3.7 | 11 km | Kusadasi Korfezi (aegean Sea), Greece | KOERI-RETMC |
M 3.6 | 12 km | Western Turkey, Greece | EMSC |
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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Leave a comment if you find a particular report interesting or want to add to it.
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Send your own user report!
Palaiókastro (Greece, 4 km S of epicenter) : Pffff when does it stops... | One user found this interesting. (reported through EMSC)
Municipal Unit of Pythagoreio (Greece, 17 km W of epicenter) : هزه متوسطه (reported through EMSC)
Samos (Greece, 3 km SW of epicenter) : 4,7 r τι ανακρίβειες γράφετε? (reported through EMSC)
Samos (Greece, 3 km SW of epicenter) : شيء يجعلني ارجف خوفت (reported through EMSC)
Bornova (Turkey, 81 km N of epicenter) : Very slight shake (reported through EMSC)
Aydin (Turkey, 73 km E of epicenter) : aydin merkez 8 - 10 saniye surdu. yatakta hissettim. (reported through EMSC)
Karabağlar (Turkey, 68 km N of epicenter) : Hic bitmeyecek gibi.. (reported through EMSC)
Torbalı (Turkey, 52 km NE of epicenter) : Bitmiyor (reported through EMSC)
(Turkey, 49 km SE of epicenter) : Felt it (reported through EMSC)
Türkmen Mahallesi (Turkey, 25 km NE of epicenter) : Kısa ama sert salladı (reported through EMSC)
Earlier earthquakes in the same area
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