Moderate mag. 4.1 earthquake - Aegean Sea, 72 km south of Chios, North Aegean, Greece, on Tuesday, 9 Feb 2021 9:30 am (GMT +2) -

Moderate mag. 4.1 earthquake - Aegean Sea, 72 km south of Chios, North Aegean, Greece, on Tuesday, 9 Feb 2021 9:30 am (GMT +2)

Moderate magnitude 4.1 earthquake at 13 km depth

9 Feb 07:33 UTC: First to report: EMSC after 3 minutes.
9 Feb 07:34: Hypocenter depth recalculated from 12.0 to 10.0 km (from 7.5 to 6.2 mi).
... [show all] ...
9 Feb 08:20: Hypocenter depth recalculated from 18.4 to 12.5 km (from 11.4 to 7.8 mi). Epicenter location corrected by 3.7 km (2.3 mi) towards SW.
Date & time: 9 Feb 2021 07:30:35 UTC -
Local time at epicenter: Tuesday, 9 Feb 2021 9:30 am (GMT +2)
Magnitude: 4.1
Depth: 12.5 km
Epicenter latitude / longitude: 37.7536°N / 26.4066°E (Aegean Sea, Greece)
Nearest volcano: Akyarlar (118 km / 73 mi)
Nearby towns and cities:
16 km (10 mi) W of Kallithea (pop: 136) --> See nearby quakes!
27 km (17 mi) W of Karlovasi (pop: 6,710) --> See nearby quakes!
44 km (27 mi) W of Mytilinioi (pop: 1,980) --> See nearby quakes!
62 km (39 mi) SW of Seferihisar (Turkey) (pop: 19,600) --> See nearby quakes!
64 km (40 mi) S of Çeşme (Turkey) (pop: 21,300) --> See nearby quakes!
71 km (44 mi) SSW of Urla (Turkey) (pop: 45,200) --> See nearby quakes!
72 km (45 mi) SSE of Chios (pop: 24,000) --> See nearby quakes!
84 km (52 mi) SW of Menderes (Turkey) (pop: 22,000) --> See nearby quakes!
94 km (58 mi) SW of Karabağlar (Turkey) (pop: 458,000) --> See nearby quakes!
237 km (147 mi) E of Athens (pop: 664,000) --> See nearby quakes!
79 km (49 mi) SSE of Chios Island (pop: 32,400) --> See nearby quakes!
59 km (37 mi) WNW of Agathonisi Island (pop: 150) --> See nearby quakes!
162 km (100 mi) S of Lesvos Island (pop: 86,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 15°C (59 F), humidity: 88%, wind: 7 m/s (14 kts) from SSW
Primary data source: NOA (National Observatory of Athens)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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.
MagnitudeDepthLocationSource
4.113 km33 Km W From Samos, GreeceNOA
4.19 kmDODECANESE ISLANDS, GREECEEMSC
4.35 kmONIKI ADALAR (MEDITERRANEAN SEA), GreeceKOERI-RETMC
4.110 km623 Km N of Marsa Matruh, GreeceENSN
4.510 kmDodecanese Islands, GreeceGFZ
4.410 kmDodecanese Islands, GreeceNIEP
4.232 kmNeon Karlovasion / Sporaden, GreeceZAMG

User reports for this quake (14)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Izmir, Bornova (99 km NE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
60.4 km NE of epicenter [Map] / Very weak shaking (MMI II) / 2-5 s
Izmır City / Turkey (99.3 km NE of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 1-2 s
Karlovasi (22.2 km E of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging
99.7 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
izmir / Very weak shaking (MMI II) / simple rolling (tilting sideways along one direction) / 2-5 s
Chios / Weak shaking (MMI III) / horizontal (sideways) swinging
Karlovasi / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Konak, Izmir / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s
izmir maviseir / Light shaking (MMI IV) / very short
Pythagorion / Very weak shaking (MMI II) / 1-2 s
Güzelcamli / not felt
Gaziemir Izmir / Light shaking (MMI IV) / single lateral shake / 2-5 s
Izmir Yali mehallasi / Very weak shaking (MMI II)
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Earlier earthquakes in the same area since 1900


Map of earlier quakes

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