Weak mag. 3.0 earthquake - Aegean Sea, 45 km southwest of Mytilene, Lesvos, North Aegean, Greece, on Wednesday, 3 Feb 2021 6:52 pm (GMT +2) -
This quake was likely an aftershock of the 5.1 quake Aegean Sea, 15 km southeast of Nisida Garmpias Island, Greece, 1 Feb 2021 10:35 am (GMT +2), which had occurred 2 days earlier.
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Weak magnitude 3.0 earthquake at 16 km depth
3 Feb 16:56 UTC: First to report: EMSC after 3 minutes.
3 Feb 16:58: Now using data updates from NOA
3 Feb 17:00: Magnitude recalculated from 3.1 to 3.0.
3 Feb 17:18: Hypocenter depth recalculated from 10.0 to 15.8 km (from 6.2 to 9.8 mi). Epicenter location corrected by 9.6 km (6 mi) towards WNW.
3 Feb 16:58: Now using data updates from NOA
3 Feb 17:00: Magnitude recalculated from 3.1 to 3.0.
3 Feb 17:18: Hypocenter depth recalculated from 10.0 to 15.8 km (from 6.2 to 9.8 mi). Epicenter location corrected by 9.6 km (6 mi) towards WNW.
Date & time: 3 Feb 2021 16:52:57 UTC -
Local time at epicenter: Wednesday, 3 Feb 2021 6:52 pm (GMT +2)
Magnitude: 3
Depth: 15.8 km
Epicenter latitude / longitude: 38.9232°N / 26.0884°E

Nearest volcano: Kenger (197 km / 122 mi)
Nearby towns and cities:
12 km (7 mi) SW of Agios Fokas (pop: 16) --> See nearby quakes!
30 km (19 mi) SW of Agiasos (pop: 2,320) --> See nearby quakes!
30 km (19 mi) SSE of Eresos (pop: 1,040) --> See nearby quakes!
39 km (25 mi) SSW of Ayia Paraskevi (pop: 2,200) --> See nearby quakes!
45 km (28 mi) WSW of Mytilene (Mitilini) (pop: 28,300) --> See nearby quakes!
62 km (38 mi) N of Chios (pop: 24,000) --> See nearby quakes!
68 km (42 mi) SW of Ayvalik (Turkey) (pop: 70,000) --> See nearby quakes!
78 km (48 mi) W of Aliağa (Turkey) (pop: 44,900) --> See nearby quakes!
89 km (55 mi) NW of Urla (Turkey) (pop: 45,200) --> See nearby quakes!
231 km (143 mi) ENE of Athens (pop: 664,000) --> See nearby quakes!
35 km (22 mi) SSW of Lesvos Island (pop: 86,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
14°C (57 F), humidity: 77%, wind: 1 m/s (3 kts) from NW
Primary data source: NOA (National Observatory of Athens)Few Clouds

Estimated released energy: 2 x 109 joules (554 kilowatt hours, equivalent to 0.477 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 |
3.0 | 16 km | 39 Km SW From Mitilini, Greece | NOA |
3.2 | 16 km | 39 Km SW From Mitilini, Greece | EMSC |
3.4 | 13 km | MIDILLI ADASI (AEGEAN SEA), Greece | KOERI-RETMC |
User reports for this quake
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