Light mag. 3.5 earthquake - 32 km southeast of Patras, Achaea, Western Greece, on Thursday, 4 Mar 2021 4:10 am (GMT +2) -
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Light magnitude 3.5 earthquake at 5 km depth
4 Mar 02:14 UTC: First to report: EMSC after 3 minutes.
4 Mar 02:15: Now using data updates from NOA
4 Mar 02:15: Now using data updates from NOA
Date & time: 4 Mar 2021 02:10:57 UTC -
Local time at epicenter: Thursday, 4 Mar 2021 4:10 am (GMT +2)
Magnitude: 3.5
Depth: 5.0 km
Epicenter latitude / longitude: 38.0142°N / 21.9609°E

Nearest volcano: Sousaki (100 km / 62 mi)
Nearby towns and cities:
5 km (3 mi) SSE of Lompokas (West Greece) (pop: 20) --> See nearby quakes!
13 km (8 mi) W of Kalavryta (West Greece) (pop: 1,630) --> See nearby quakes!
28 km (17 mi) ESE of Kato Mazaraki (West Greece) (pop: 1,010) --> See nearby quakes!
28 km (17 mi) SSW of Aigio (West Greece) (pop: 20,400) --> See nearby quakes!
31 km (19 mi) ESE of Vrachnaiika (West Greece) (pop: 2,570) --> See nearby quakes!
32 km (20 mi) SE of Patras (West Greece) (pop: 168,000) --> See nearby quakes!
39 km (24 mi) ESE of Kato Achaḯa (Dimi, West Greece) (pop: 5,750) --> See nearby quakes!
44 km (27 mi) SSE of Nafpaktos (West Greece) (pop: 13,400) --> See nearby quakes!
59 km (37 mi) NE of Pýrgos (Pirgos, West Greece) (pop: 22,400) --> See nearby quakes!
155 km (96 mi) W of Athens (Attica) (pop: 664,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
3.6°C (39 F), humidity: 57%, wind: 1 m/s (2 kts) from ESE
Primary data source: NOA (National Observatory of Athens)Clear Sky

Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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 |
3.5 | 5 km | 13 Km W From Kalavryta, Greece | NOA |
3.6 | 2 km | GREECE | EMSC |
3.6 | 5 km | Greece | NIEP |
3.6 | 5 km | Kalavrita / Griechenland, Greece | ZAMG |
User reports for this quake
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