Weak mag. 2.7 earthquake - Aegean Sea, 3.6 km southwest of Nisi Chalki Island, Greece, on Saturday, 23 Jan 2021 10:55 pm (GMT +2) -
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Weak magnitude 2.7 earthquake at 12 km depth
23 Jan 21:00 UTC: First to report: NOA after 5 minutes.
23 Jan 21:02: Magnitude recalculated from 2.7 to 3.0.
23 Jan 21:12: Magnitude recalculated from 3.0 to 2.7. Hypocenter depth recalculated from 10.0 to 12.1 km (from 6.2 to 7.5 mi). Epicenter location corrected by 2.5 km (1.6 mi) towards NE.
23 Jan 21:02: Magnitude recalculated from 2.7 to 3.0.
23 Jan 21:12: Magnitude recalculated from 3.0 to 2.7. Hypocenter depth recalculated from 10.0 to 12.1 km (from 6.2 to 7.5 mi). Epicenter location corrected by 2.5 km (1.6 mi) towards NE.
Date & time: 23 Jan 2021 20:55:04 UTC -
Local time at epicenter: Saturday, 23 Jan 2021 10:55 pm (GMT +2)
Magnitude: 2.7
Depth: 12.1 km
Epicenter latitude / longitude: 36.2018°N / 27.5519°E

Nearest volcano: Nisyros (54 km / 34 mi)
Nearby towns and cities:
6 km (4 mi) WSW of Chalki (pop: 313) --> See nearby quakes!
27 km (17 mi) W of Embonas (pop: 1,060) --> See nearby quakes!
43 km (27 mi) WNW of Lardos (pop: 1,350) --> See nearby quakes!
51 km (31 mi) W of Archangelos (Archaggelos) (pop: 5,400) --> See nearby quakes!
53 km (33 mi) SSW of Symi (pop: 2,350) --> See nearby quakes!
59 km (37 mi) WSW of Ialysos (Ialisos) (pop: 11,500) --> See nearby quakes!
65 km (41 mi) WSW of Rhodes (pop: 56,100) --> See nearby quakes!
80 km (50 mi) SSE of Kos (pop: 19,200) --> See nearby quakes!
94 km (58 mi) S of Bodrum (Turkey) (pop: 39,300) --> See nearby quakes!
393 km (244 mi) ESE of Athens (pop: 664,000) --> See nearby quakes!
37 km (23 mi) W of Rhodes Island (pop: 115,300) --> See nearby quakes!
31 km (19 mi) SSE of Tilos Island (pop: 521) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds
14.1°C (57 F), humidity: 72%, wind: 2 m/s (3 kts)
Primary data source: NOA (National Observatory of Athens)Scattered Clouds

Estimated released energy: 7.1 x 108 joules (197 kilowatt hours, equivalent to 0.169 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 2.7 | 12 km | 6 Km WSW From Xalki, Greece | NOA |
User reports for this quake
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