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Moderate mag. 4.5 earthquake - Ionian Sea, 38 km southwest of Argostoli, Greece, on Wednesday, Nov 30, 2022 at 1:46 am (GMT +2) -

Moderate mag. 4.5 earthquake - Ionian Sea, 38 km southwest of Argostoli, Greece, on Wednesday, Nov 30, 2022 at 1:46 am (GMT +2) Moderate mag. 4.5 earthquake - Ionian Sea, 38 km southwest of Argostoli, Greece, on Wednesday, Nov 30, 2022 at 1:46 am (GMT +2)

Moderate magnitude 4.5 earthquake at 6 km depth

29 Nov 23:48 UTC: First to report: RaspberryShake after 2 minutes.
29 Nov 23:52: Magnitude recalculated from 4.6 to 4.2. Hypocenter depth recalculated from 10.0 to 65.0 km (from 6.2 to 40 mi). Epicenter location corrected by 19 km (12 mi) towards NW.
... [show all] ...
30 Nov 00:19: Hypocenter depth recalculated from 6.7 to 5.7 km (from 4.2 to 3.5 mi). Epicenter location corrected by 0.9 km (0.5 mi) towards SSW.
Update Wed, 30 Nov 2022, 00:06

Moderate magnitude 4.5 earthquake 37 km southwest of Argostoli, Greece

4.5 quake 30 Nov 1:46 am (GMT +2)
4.5 quake 30 Nov 1:46 am (GMT +2)
An earthquake of magnitude 4.5 occurred only 20 minutes ago 37 km southwest of Argostoli, Greece, the National Observatory of Athens (NOA) reported.
The quake hit at a very shallow depth of 6.7 km beneath the epicenter near Argostoli, Kefallonia, Ionian Islands, Greece, early morning on Wednesday, November 30th, 2022, at 1:46 am 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.
A second report was later issued by Italy's National Institute of Geophysics and Volcanology (INGV), which listed it as a magnitude 4.6 earthquake. Other agencies reporting the same quake include the citizen-seismograph network of RaspberryShake at magnitude 4.4, the European-Mediterranean Seismological Centre (EMSC) at magnitude 4.5, and the German Research Centre for Geosciences (GFZ) 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 Kaminarata (pop. 240) located 31 km from the epicenter, Lixouri (pop. 3,800) 34 km away, Argostoli (pop. 9,800) 37 km away, Valsamata (pop. 1000) 45 km away, Samos (pop. 1,300) 53 km away, Poros (pop. 1,100) 60 km away, Katastari (pop. 1,400) 63 km away, and Ithaki (pop. 1,800) 64 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Zakynthos (pop. 11,500) located 76 km from the epicenter.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake details

Date & timeNov 29, 2022 23:46:05 UTC -
Local time at epicenterWednesday, Nov 30, 2022 at 1:46 am (GMT +2)
Depth5.7 km
Epicenter latitude / longitude38.0447°N / 20.0967°E (Ionian Sea, Greece)
Antipode38.045°S / 159.903°W
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceNOA (National Observatory of Athens)
Nearby towns and cities32 km (20 mi) SW of Kaminarata (pop: 239) | Show on map | Quakes nearby
38 km (23 mi) WSW of Argostoli (pop: 9,820) | Show on map | Quakes nearby
53 km (33 mi) WSW of Samos (Kefallonia) (pop: 1,350) | Show on map | Quakes nearby
60 km (37 mi) WSW of Poros (pop: 1,060) | Show on map | Quakes nearby
63 km (39 mi) WNW of Katastari (pop: 1,380) | Show on map | Quakes nearby
65 km (40 mi) WSW of Ithaki (pop: 1,840) | Show on map | Quakes nearby
76 km (47 mi) WNW of Zakynthos (pop: 11,500) | Show on map | Quakes nearby
318 km (198 mi) W of Athens (pop: 664,000) | Show on map | Quakes nearby
96 km (60 mi) SW of Kalamos Island (pop: 496) | Show on map | Quakes nearby
129 km (80 mi) S of Paxos Island (pop: 2,300) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 14.5°C (58 F), humidity: 74%, wind: 13 m/s (25 kts) from E
Estimated seismic energy released3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | about seismic energy
Show interactive Map
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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.
4.55.7 kmGreece: 34 Km WSW From LixouriNOA
4.441 kmGreeceGFZ
4.410 kmGreeceRaspberryShake
4.619 kmGreece: Mar Ionio Meridionale (MARE)INGV
4.410 km32 Km W of Lixoúri, GreeceUSGS
4.410 kmGreeceIRIS
4.441 kmGreece: Lixourion / GriechenlandZAMG


Seismic station: Castrocucco, Italy (CUC/MN network) | Distance from quake: 429 km / 266 mi | Show on map | Station Info
Seismic station Castrocucco, Italy: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Earlier earthquakes in the same area

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