Light mag. 3.0 earthquake - Aegean Sea, 11 km south of Nisida Garmpias Island, Lesvos, North Aegean, Greece, on Monday, 1 Feb 2021 12:02 am (GMT +2) -
This quake was likely a foreshock of the 4.8 quake Aegean Sea, 12 km south of Nisida Garmpias Island, Lesvos, North Aegean, Greece, 1 Feb 2021 7:47 am (GMT +2), which followed after 8 hours.
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Light magnitude 3.0 earthquake at 4 km depth
31 Jan 22:08 UTC: First to report: KOERI-RETMC after 6 minutes.
Date & time: 31 Jan 2021 22:02:19 UTC -
Local time at epicenter: Monday, 1 Feb 2021 12:02 am (GMT +2)
Magnitude: 3
Depth: 3.9 km
Epicenter latitude / longitude: 38.9777°N / 26.0765°E

Nearest volcano: Kenger (208 km / 129 mi)
Nearby towns and cities:
9 km (5 mi) WSW of Agios Fokas (pop: 16) --> See nearby quakes!
25 km (15 mi) SSE of Eresos (pop: 1,040) --> See nearby quakes!
28 km (17 mi) WSW of Agiasos (pop: 2,320) --> See nearby quakes!
31 km (19 mi) SSW of Kalloni (pop: 1,780) --> See nearby quakes!
40 km (25 mi) SSW of Petras (pop: 1,300) --> See nearby quakes!
44 km (27 mi) WSW of Mytilene (Mitilini) (pop: 28,300) --> See nearby quakes!
65 km (41 mi) SW of Ayvalik (Turkey) (pop: 70,000) --> See nearby quakes!
68 km (42 mi) N of Chios (pop: 24,000) --> See nearby quakes!
80 km (50 mi) WNW of Aliağa (Turkey) (pop: 44,900) --> See nearby quakes!
232 km (144 mi) ENE of Athens (pop: 664,000) --> See nearby quakes!
30 km (19 mi) SW of Lesvos Island (pop: 86,400) --> See nearby quakes!
129 km (80 mi) SE of Lemnos Island (pop: 17,500) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
14°C (57 F), humidity: 77%, wind: 10 m/s (20 kts) from S
Primary data source: KOERI-RETMC (Kandilli Oservatory and Earthquake Research Institute in Istanbul)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 | 3.9 km | MIDILLI ADASI (AEGEAN SEA), Greece | KOERI-RETMC |
2.9 | 8 km | NEAR THE COAST OF WESTERN TURKEY | EMSC |
User reports for this quake
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