Terremoto moderato mag. 4.2 - Mare Ionio, 54 km a ovest da Zacinto, Zakynthos, Isole Ionie, Grecia, martedì, 14 set 2021 13:40 (GMT +3) -

Terremoto moderato mag. 4.2 - Mare Ionio, 54 km a ovest da Zacinto, Zakynthos, Isole Ionie, Grecia, martedì, 14 set 2021 13:40 (GMT +3)

Terremoto moderato magnitudine 4.2 at 9 km depth

14 Sep 10:44 UTC: Primo a segnalare: EMSC dopo 3 minuti.
14 Sep 10:45: Ora utilizzando nuova fonte di dati: NOA
... [show all] ...
14 Sep 11:43: Profondità ricalcolata da 11.0 a 8.7 km (da 6.8 a 5.4 mi). Posizione dell'epicentro corretta di 3.1 km (1.9 mi) al SO.
Update Tue, 14 Sep 2021, 10:54
Moderate magnitude 4.2 quake hits 49 km southwest of Argostoli, Greece around noon
4.2 quake 14 Sep 1:40 pm (GMT +3)
4.2 quake 14 Sep 1:40 pm (GMT +3)
An earthquake of magnitude 4.2 occurred only 13 minutes ago 49 km southwest of Argostoli, Greece, the National Observatory of Athens (NOA) reported.
The quake hit at a shallow depth of 11 km beneath the epicenter near Argostoli, Kefallonia, Ionian Islands, Greece, around noon on Tuesday, September 14th, 2021, at 1:40 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.1. A third agency, the German Research Centre for Geosciences (GFZ), reported the same quake at magnitude 4.4.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Anafonitria (pop. 250) located 31 km from the epicenter, and Katastari (pop. 1,400) 39 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Mouzaki (pop. 1,700) located 45 km from the epicenter, Argostoli (pop. 9,800) 49 km away, Lixouri (pop. 3,800) 50 km away, Zakynthos (pop. 11,500) 51 km away, Amaliada (pop. 16,800) 91 km away, and Pyrgos (pop. 22,400) 99 km away.

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Earthquake data

Data & ora: 14 Sep 2021 10:40:41 UTC -
Ora locale a epicentro: martedì, 14 set 2021 13:40 (GMT +3)
Magnitudine: 4.2
Prof.: 8.7 km
Epicentro latitudine / longitudine: 37.749°N / 20.2881°E (Mare Ionio, Grecia)
Antipode: 37.749°S / 159.712°W
Vulcano più vicino: Sousaki (245 km / 152 mi)
Nearby towns and cities:
34 km OSO da Anafonitria (pop: 248) --> Vedi sismi vicini
44 km O da Skoulikado (pop: 653) --> Vedi sismi vicini
47 km ONO da Keri (pop: 469) --> Vedi sismi vicini
51 km SO da Vlachata (pop: 520) --> Vedi sismi vicini
51 km SSO da Argostoli (pop: 9,820) --> Vedi sismi vicini
54 km O da Zacinto (pop: 11,500) --> Vedi sismi vicini
62 km SO da Poros (pop: 1,060) --> Vedi sismi vicini
64 km SSO da Samos (Kefallonia) (pop: 1,350) --> Vedi sismi vicini
78 km SSO da Ithaki (pop: 1,840) --> Vedi sismi vicini
303 km O da Atene (pop: 664,000) --> Vedi sismi vicini
112 km SSO da Kalamos Island (pop: 496) --> Vedi sismi vicini
156 km S da Antipaxos Island (pop: 20) --> Vedi sismi vicini
163 km S da Paxos Island (pop: 2,300) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky 27.1°C (81 F), humidity: 63%, wind: 4 m/s (8 kts) from NW
Fonte dati primaria: NOA (National Observatory of Athens)
Stima dell'energia sismica liberata: 1.3 x 1011 joules (35 MWh, equivalent to 30.1 tons of TNT) | about seismic energy
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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.
Mag.Prof.UbicazioneFonte
4.28.7 kmGreece: 25 Km W From VolimesNOA
4.310 kmGreece: Ionian SeaGFZ
4.510 kmGreece: IONIAN SEAEMSC
4.510 kmGreece: Ionian SeaUSGS
4.310 kmGreece: Katastarion / Ionisches MeerZAMG

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Lixouri / Weak shaking (MMI III) / single lateral shake / 2-5 s : Very mild, no noise just small vibrating. | 4 users found this interesting.  
Tirana (400.4 km N of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Sami / not felt
ATHENS / not felt (reported through our app)
Athens / not felt
Glyfada south beach / not felt (reported through our app)
santa rosa / Very weak shaking (MMI II)
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