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Light mag. 3.7 earthquake - Ionian Sea, 24 km west of Amaliada, Ilia Prefecture, Western Greece, on Sunday, Nov 20, 2022 at 3:31 pm (GMT +2) -

Light magnitude 3.7 earthquake at 17 km depth

20 Nov 13:35 UTC: First to report: EMSC after 4 minutes.
20 Nov 13:38: Now using data updates from NOA
20 Nov 14:25: Hypocenter depth recalculated from 5.0 to 16.6 km (from 3.1 to 10.3 mi). Epicenter location corrected by 2.9 km (1.8 mi) towards ESE.

Earthquake details

Date & time	Nov 20, 2022 13:31:17 UTC -
Local time at epicenter	Sunday, Nov 20, 2022 at 3:31 pm (GMT +2)
Status	Confirmed
Magnitude	3.7
Depth	16.6 km
Epicenter latitude / longitude	37.8214°N / 21.0782°E (Ionian Sea, Greece)
Antipode	37.821°S / 158.922°W
Shaking intensity	Weak shaking
Felt	6 reports
Primary data source	NOA (National Observatory of Athens)
Nearest volcano	Sousaki (177 km / 110 mi)
Nearby towns and cities	4 km (2 mi) SW of Arkoudi (pop: 1,310) \| Show on map \| Quakes nearby 14 km (9 mi) SSW of Kyllini (pop: 1,080) \| Show on map \| Quakes nearby 15 km (10 mi) WSW of Gastouni (pop: 8,110) \| Show on map \| Quakes nearby 17 km (10 mi) ENE of Zakynthos (pop: 11,500) \| Show on map \| Quakes nearby 24 km (15 mi) W of Amaliada (pop: 16,800) \| Show on map \| Quakes nearby 34 km (21 mi) SW of Varda (pop: 3,310) \| Show on map \| Quakes nearby 36 km (22 mi) WNW of Pyrgos (Pirgos) (pop: 22,400) \| Show on map \| Quakes nearby 233 km (145 mi) W of Athens (pop: 664,000) \| Show on map \| Quakes nearby 91 km (57 mi) S of Kalamos Island (pop: 496) \| Show on map \| Quakes nearby 165 km (103 mi) SSE of Antipaxos Island (pop: 20) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Broken Clouds 21.4°C (70 F), humidity: 94%, wind: 6 m/s (11 kts) from SSE
Estimated seismic energy released	2.2 x 10¹⁰ joules (6.22 megawatt hours, equivalent to 5.35 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.	Depth	Location	Source
3.7	17 km	Greece: 15 Km SW From Killini	NOA
4.3	10 km	Southern Greece	RaspberryShake
4.3	14 km	SOUTHERN GREECE	EMSC
4.0	10 km	Southern Greece	GFZ
4.3	10 km	12 Km SE of Ambelókipoi, Greece	USGS
4.3	10 km	Greece: Ionian Sea	IRIS
4.3	10 km	Greece: Zakinthos / Ionisches Meer	ZAMG

Most recent quakes Top 20 past 24 hrs Quakes in Greece

Seismograms

Seismic station: Castrocucco, Italy (CUC/MN network) | Distance from quake: 515 km / 320 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: 0.5-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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Translate

Kastro kyllini (9 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Mild

Zakinthos (16.2 km WSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s (reported through our app)

Zakynthos / Very weak shaking (MMI II) / single lateral shake / 1-2 s

glyfa 27050 / Light shaking (MMI IV) / complex rolling (tilting in multiple directions) / 2-5 s

Zakynthos / Weak shaking (MMI III) / 2-5 s

Zakynthos / Very weak shaking (MMI II) / single lateral shake / 2-5 s (reported through our app)

Earlier earthquakes in the same area

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