Terremoto moderato mag. 4.1 - Mare Ionio, 25 km a nord est da Patrasso, Achaea, Grecia Occidentale, mercoledí, 17 febbraio 2021 -

Questo terremoto era probabilmente un aftershock del M 5.4 terremoto: Mare Ionio, 23 km a nord est da Patrasso, Achaea, Grecia Occidentale Wed, 17 Feb 2021 03:36che si è verificato 1 ora e 3 minuti prima.
Terremoto moderato mag. 4.1 - Mare Ionio, 25 km a nord est da Patrasso, Achaea, Grecia Occidentale, mercoledí, 17 febbraio 2021

Terremoto moderato magnitudine 4.1 at 8 km depth

17 Feb 04:41 UTC: Primo a segnalare: GFZ dopo 3 minuti.
17 Feb 04:45: Magnitudine ricalcolata da 4.5 a 4.3. Posizione dell'epicentro corretta di 2.8 km (1.8 mi) al WSW.
17 Feb 05:09: Ora utilizzando nuova fonte di dati: NOA
Data & ora: 17 Feb 2021 04:38:50 UTC -
Ora locale a epicentro: Wednesday, 17 Feb 2021 06:38 (GMT +2)
Magnitudine: 4.1
Profondità: 8.1 km
Epicentro latitudine / longitudine: 38.373°N / 21.9731°E (Mare Ionio, Grecia)
Vulcano più vicino: Sousaki (109 km / 68 mi)
Nearby towns and cities:
8 km SE da Kastraki (Phocis) (pop: 912) --> Vedi sismi vicini
13 km E da Lepanto (Nafpaktos) (pop: 13,400) --> Vedi sismi vicini
17 km NO da Aigio (pop: 20,400) --> Vedi sismi vicini
25 km NE da Patrasso (pop: 168,000) --> Vedi sismi vicini
39 km OSO da Amfissa (pop: 6,850) --> Vedi sismi vicini
40 km O da Itea (pop: 4,780) --> Vedi sismi vicini
45 km NE da Kato Achaḯa (Dimi) (pop: 5,750) --> Vedi sismi vicini
47 km E da Messolonghi (Μεσολόγγι) (pop: 12,800) --> Vedi sismi vicini
56 km ESE da Agrinio (pop: 46,900) --> Vedi sismi vicini
159 km ONO da Atene (pop: 664,000) --> Vedi sismi vicini
114 km E da Ithaca Island (pop: 3,210) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky -2.4°C (28 F), humidity: 54%, wind: 1 m/s (3 kts) from SSW
Fonte dati primaria: NOA (National Observatory of Athens)
Stima dell'energia sismica liberata: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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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.
MagnitudineProfonditàUbicazioneFonte
4.18.1 km13 Km E From Nafpaktos, GreeceNOA
4.59 kmGREECEEMSC
4.810 kmGreeceUSGS
4.310 kmGreeceGFZ
4.215 kmGreeceNIEP
4.09 kmNavpaktos / Griechenland, GreeceZAMG

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Galaxidi (35.4 km E of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Short shaking, windows rattled | One user found this interesting.  
35.7 km SW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Piraeus / Moderate shaking (MMI V)
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