Light mag. 3.7 earthquake - 73 km south of İzmir, Turkey, Greece, on Saturday, 31 Oct 2020 9:31 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 8 hours earlier.
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Light magnitude 3.7 earthquake at 11 km depth
31 Oct 19:35 UTC: First to report: EMSC after 4 minutes.
31 Oct 19:41: Now using data updates from NOA
31 Oct 19:46: Magnitude recalculated from 3.9 to 3.7. Hypocenter depth recalculated from 8.0 to 11.0 km (from 5 to 6.8 mi).
31 Oct 19:41: Now using data updates from NOA
31 Oct 19:46: Magnitude recalculated from 3.9 to 3.7. Hypocenter depth recalculated from 8.0 to 11.0 km (from 5 to 6.8 mi).
Date & time: 31 Oct 2020 19:31:30 UTC -
Local time at epicenter: Saturday, 31 Oct 2020 9:31 pm (GMT +2)
Magnitude: 3.7
Depth: 11.0 km
Epicenter latitude / longitude: 37.7582°N / 27.0502°E
(Aegean Sea, Greece)Nearest volcano: Akyarlar (89 km / 55 mi)
Nearby towns and cities:
4 km (2 mi) NNE of Charavgi (pop: 54) --> See nearby quakes!
13 km (8 mi) ENE of Mytilinioi (pop: 1,980) --> See nearby quakes!
21 km (13 mi) WSW of Kusadasi (Turkey) (pop: 63,200) --> See nearby quakes!
22 km (13 mi) W of Davutlar (Turkey) (pop: 9,480) --> See nearby quakes!
31 km (19 mi) E of Karlovasi (pop: 6,710) --> See nearby quakes!
31 km (19 mi) W of Söke (Turkey) (pop: 68,200) --> See nearby quakes!
35 km (22 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 (32 mi) SSW of Torbalı (Turkey) (pop: 50,300) --> See nearby quakes!
293 km (182 mi) E of Athens (pop: 664,000) --> See nearby quakes!
34 km (21 mi) NNE of Agathonisi Island (pop: 150) --> See nearby quakes!
113 km (70 mi) SE of Chios Island (pop: 32,400) --> 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
16°C (61 F), humidity: 87%, wind: 5 m/s (9 kts) from NEstimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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 3.7 | 11 km | 31 Km W of Soeke, Greece | NOA |
| M 3.6 | 10 km | Western Turkey, Greece | EMSC |
| M 3.7 | 6.3 km | Sisam Adasi (aegean Sea), Greece | KOERI-RETMC |
User reports for this quake (19)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Samos, Pythagorio (10.8 km SW of epicenter) [Map] / Light shaking (MMI IV)
Samos (6.3 km W of epicenter) [Map] / Moderate shaking (MMI V)
Samos Town / Light shaking (MMI IV) / 2-5 s
Mesokampos / Samos / Very weak shaking (MMI II) / single lateral shake
Samos / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s
Municipal Unit of Pythagoreio (Greece, 18 km W of epicenter) : Δυνατος (reported through EMSC)
Didim (Turkey, 48 km SE of epicenter) : Didim'de hisetim... (reported through EMSC)
Didim (Turkey, 48 km SE of epicenter) : Didim hissettik (reported through EMSC)
Davutlar (Turkey, 25 km E of epicenter) : 3-4 seconds,vibration (reported through EMSC)
Davutlar (Turkey, 25 km E of epicenter) : , güzelçamlı 4 saniye (reported through EMSC)
Kuşadası (Turkey, 27 km NE of epicenter) : Anlık salladı (reported through EMSC)
Marathókampos (Greece, 26 km W of epicenter) : In Palaiolastro near Vathy Samos. (reported through EMSC)
Municipal Unit of Pythagoreio (Greece, 15 km W of epicenter) : Κουνιέται (reported through EMSC)
Iraío (Greece, 14 km SW of epicenter) : Shake of chair.. small. (reported through EMSC)
Palaiókastro (Greece, 3 km SE of epicenter) : Why u say Western turkey,it's north Aegean islands here,also not dodekanise,Samos! (reported through EMSC)
Palaiókastro (Greece, 3 km SE of epicenter) : Oh big one 4 seconds too close (reported through EMSC)
Vathý (Greece, 1 km S of epicenter) : The epicenter is in Samos, Greece not in Western Turkey. (reported through EMSC)
Vathý (Greece, 1 km S of epicenter) : Near Vathi Samos. Very loud sound and shaking... (reported through EMSC)
Palaiókastro (Greece, 4 km SW of epicenter) : Heavy was close 4 sec (reported through EMSC)
Earlier earthquakes in the same area
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