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Weak mag. 2.8 earthquake - Ionian Sea, 13 km southwest of Argostoli, Greece, on Friday, Sep 23, 2022 at 3:00 am (GMT +3) -

Weak mag. 2.8 earthquake - Ionian Sea, 13 km southwest of Argostoli, Greece, on Friday, Sep 23, 2022 at 3:00 am (GMT +3) Weak mag. 2.8 earthquake - Ionian Sea, 13 km southwest of Argostoli, Greece, on Friday, Sep 23, 2022 at 3:00 am (GMT +3)

Weak magnitude 2.8 earthquake at 11 km depth

23 Sep 00:04 UTC: First to report: NOA after 4 minutes.
23 Sep 00:10: Magnitude recalculated from 2.4 to 2.8. Hypocenter depth recalculated from 5.0 to 5.6 km (from 3.1 to 3.5 mi). Epicenter location corrected by 39 km (24 mi) towards SW.
23 Sep 00:21: Hypocenter depth recalculated from 5.6 to 10.9 km (from 3.5 to 6.8 mi). Epicenter location corrected by 2.1 km (1.3 mi) towards WSW.

Earthquake details

Date & timeSep 23, 2022 00:00:03 UTC -
Local time at epicenterFriday, Sep 23, 2022 at 3:00 am (GMT +3)
StatusConfirmed
Magnitude2.8
Depth10.9 km
Epicenter latitude / longitude37.847°N / 20.0583°E (Ionian Sea, Greece)
Antipode37.847°S / 159.942°W
Shaking intensityWeak shaking near epicenter
Felt0 reports
Primary data sourceNOA (National Observatory of Athens)
Nearby towns and cities50 km (31 mi) SW of Minia (pop: 260) | Show on map | Quakes nearby
53 km (33 mi) SW of Argostoli (pop: 9,820) | Show on map | Quakes nearby
61 km (38 mi) W of Katastari (pop: 1,380) | Show on map | Quakes nearby
68 km (42 mi) SW of Samos (Kefallonia) (pop: 1,350) | Show on map | Quakes nearby
71 km (44 mi) WSW of Poros (pop: 1,060) | Show on map | Quakes nearby
74 km (46 mi) W of Zakynthos (pop: 11,500) | Show on map | Quakes nearby
82 km (51 mi) SW of Ithaki (pop: 1,840) | Show on map | Quakes nearby
322 km (200 mi) W of Athens (pop: 664,000) | Show on map | Quakes nearby
114 km (71 mi) SW of Kalamos Island (pop: 496) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 20.6°C (69 F), humidity: 53%, wind: 2 m/s (3 kts) from NE
Estimated seismic energy released1 x 109 joules (278 kilowatt hours, equivalent to 0.239 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.DepthLocationSource
2.810.9 kmGreece: 51 Km SW From LixouriNOA
2.71 kmGreeceRaspberryShake
2.71 kmGreece: IONIAN SEAEMSC

Seismograms

Seismic station: Timpagrande, Italy (TIP/MN network) | Distance from quake: 323 km / 201 mi | Show on map | Station Info
Seismic station Timpagrande, 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake

At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.
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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