Weak mag. 2.7 earthquake - Aegean Sea, 23 km northeast of Karlovasi, Samos, North Aegean, Greece, on Tuesday, 23 Feb 2021 11:56 pm (GMT +2) -
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Weak magnitude 2.7 earthquake at 9 km depth
23 Feb 22:00 UTC: First to report: EMSC after 4 minutes.
23 Feb 22:02: Now using data updates from NOA
23 Feb 22:18: Magnitude recalculated from 2.8 to 2.7. Hypocenter depth recalculated from 10.0 to 8.7 km (from 6.2 to 5.4 mi). Epicenter location corrected by 12 km (7.5 mi) towards E.
23 Feb 22:02: Now using data updates from NOA
23 Feb 22:18: Magnitude recalculated from 2.8 to 2.7. Hypocenter depth recalculated from 10.0 to 8.7 km (from 6.2 to 5.4 mi). Epicenter location corrected by 12 km (7.5 mi) towards E.
Date & time: 23 Feb 2021 21:56:00 UTC -
Local time at epicenter: Tuesday, 23 Feb 2021 11:56 pm (GMT +2)
Magnitude: 2.7
Depth: 8.7 km
Epicenter latitude / longitude: 37.8877°N / 26.9417°E

Nearest volcano: Akyarlar (110 km / 68 mi)
Nearby towns and cities:
12 km (8 mi) NE of Avlakia (pop: 18) --> See nearby quakes!
15 km (9 mi) NNW of Samos (pop: 1,890) --> See nearby quakes!
22 km (13 mi) SW of Özdere (Turkey) (pop: 13,500) --> See nearby quakes!
23 km (15 mi) ENE of Karlovasi (pop: 6,710) --> See nearby quakes!
28 km (17 mi) W of Kusadasi (Turkey) (pop: 63,200) --> See nearby quakes!
36 km (22 mi) SSE of Seferihisar (Turkey) (pop: 19,600) --> See nearby quakes!
38 km (24 mi) W of Selçuk (Turkey) (pop: 29,100) --> See nearby quakes!
44 km (27 mi) WNW of Söke (Turkey) (pop: 68,200) --> See nearby quakes!
47 km (29 mi) SW of Torbalı (Turkey) (pop: 50,300) --> See nearby quakes!
282 km (175 mi) E of Athens (pop: 664,000) --> See nearby quakes!
47 km (29 mi) N of Agathonisi Island (pop: 150) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
10°C (50 F), humidity: 76%, wind: 5 m/s (9 kts) from N
Primary data source: NOA (National Observatory of Athens)Clear Sky

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 |
2.7 | 8.7 km | 15 Km N From Samos, Greece | NOA |
2.8 | 2 km | DODECANESE ISLANDS, GREECE | EMSC |
2.9 | 14 km | KUSADASI KORFEZI (AEGEAN SEA), Greece | KOERI-RETMC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 2.7, this quake might have been felt very close to the epicenter and under calm conditions.be the first to report it!
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