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Minor mag. 0.9 earthquake - Greece: 4 Km N From Katochi Aitoloakarnania on Tuesday, Dec 6, 2022 at 6:38 pm (GMT +2) -

Minor magnitude 0.9 earthquake at 12 km depth

6 Dec 16:44 UTC: First to report: RaspberryShake after 6 minutes.
6 Dec 17:24: Magnitude recalculated from 1.3 to 0.9. Hypocenter depth recalculated from 10.0 to 11.8 km (from 6.2 to 7.3 mi). Epicenter location corrected by 28 km (18 mi) towards S.
6 Dec 17:28: Now using data updates from NOA

Earthquake details

Date & time	Dec 6, 2022 16:38:27 UTC -
Local time at epicenter	Tuesday, Dec 6, 2022 at 6:38 pm (GMT +2)
Status	Confirmed
Magnitude	0.9
Depth	11.8 km
Epicenter latitude / longitude	38.4439°N / 21.2576°E (Greece)
Antipode	38.444°S / 158.742°W
Shaking intensity	Not felt
Felt
Primary data source	NOA (National Observatory of Athens)
Nearest volcano	Sousaki (170 km / 106 mi)
Nearby towns and cities	2 km (1 mi) WNW of Mastro (pop: 406) \| Show on map \| Quakes nearby 14 km (9 mi) SSW of Angelokastro (pop: 1,220) \| Show on map \| Quakes nearby 17 km (11 mi) WNW of Missolonghi (Μεσολόγγι) (pop: 12,800) \| Show on map \| Quakes nearby 18 km (11 mi) ESE of Astakos (pop: 2,570) \| Show on map \| Quakes nearby 21 km (13 mi) WSW of Mataragka (Aitoloakarnania) (pop: 1,340) \| Show on map \| Quakes nearby 24 km (15 mi) SSW of Agrinio (pop: 46,900) \| Show on map \| Quakes nearby 24 km (15 mi) S of Octhia (pop: 506) \| Show on map \| Quakes nearby 222 km (138 mi) WNW of Athens (pop: 664,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 14°C (57 F), humidity: 85%, wind: 2 m/s (3 kts) from SE
Estimated seismic energy released	1.4 x 10⁶ joules (0.392 kilowatt hours) \| 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.	Depth	Location	Source
0.9	12 km	Greece: 4 Km N From Katochi Aitoloakarnania	NOA
0.9	12 km	Greece	RaspberryShake

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Seismograms

Seismic station: Castrocucco, Italy (CUC/MN network) | Distance from quake: 499 km / 310 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 0.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Earlier earthquakes in the same area

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