Weak mag. 2.5 earthquake - Phocis, Central Greece, 15 km north of Aigio, Achaea, Western Greece, on Tuesday, 23 Feb 2021 4:26 am (GMT +2) -
This quake was likely an aftershock of the 5.4 quake Ionian Sea, 23 km northeast of Patras, Achaea, Western Greece, 17 Feb 2021 5:36 am (GMT +2), which had occurred 6 days earlier.
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Weak magnitude 2.5 earthquake at 3 km depth
23 Feb 02:31 UTC: First to report: NOA after 5 minutes.
23 Feb 04:28: Hypocenter depth recalculated from 5.0 to 2.7 km (from 3.1 to 1.7 mi).
23 Feb 04:28: Hypocenter depth recalculated from 5.0 to 2.7 km (from 3.1 to 1.7 mi).
Date & time: 23 Feb 2021 02:26:20 UTC -
Local time at epicenter: Tuesday, 23 Feb 2021 4:26 am (GMT +2)
Magnitude: 2.5
Depth: 2.7 km
Epicenter latitude / longitude: 38.3857°N / 22.1121°E

Nearest volcano: Sousaki (100 km / 62 mi)
Nearby towns and cities:
2 km (1 mi) NE of Spilia (pop: 45) --> See nearby quakes!
15 km (10 mi) N of Aigio (West Greece) (pop: 20,400) --> See nearby quakes!
23 km (15 mi) W of Galaxidi (pop: 3,030) --> See nearby quakes!
25 km (15 mi) E of Nafpaktos (West Greece) (pop: 13,400) --> See nearby quakes!
28 km (17 mi) SW of Amfissa (pop: 6,850) --> See nearby quakes!
31 km (20 mi) NW of Sylivainiotika (West Greece) (pop: 1,600) --> See nearby quakes!
35 km (22 mi) WSW of Delphi (pop: 2,370) --> See nearby quakes!
37 km (23 mi) ENE of Patras (West Greece) (pop: 168,000) --> See nearby quakes!
64 km (40 mi) SSW of Lamia (pop: 52,000) --> See nearby quakes!
148 km (92 mi) WNW of Athens (Attica) (pop: 664,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
3.7°C (39 F), humidity: 93%, wind: 1 m/s (2 kts) from NW
Primary data source: NOA (National Observatory of Athens)Clear Sky

Estimated released energy: 3.5 x 108 joules (98.6 kilowatt hours) 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 |
2.5 | 2.7 km | 15 Km N From Aiyion, Greece | NOA |
2.7 | 7 km | GREECE | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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