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Moderate mag. 4.3 earthquake - Tyrrhenian Sea, Italy, on Thursday, Jan 20, 2022 at 10:19 am (GMT +1) -

Moderate mag. 4.3 earthquake - Tyrrhenian Sea, Italy, on Thursday, Jan 20, 2022 at 10:19 am (GMT +1) Moderate mag. 4.3 earthquake - Tyrrhenian Sea, Italy, on Thursday, Jan 20, 2022 at 10:19 am (GMT +1)

Moderate magnitude 4.3 earthquake at 10 km depth

20 Jan 09:23 UTC: First to report: GFZ after 3 minutes.
20 Jan 09:26: Magnitude recalculated from 4.6 to 4.5. Epicenter location corrected by 10.5 km (6.5 mi) towards ENE.
20 Jan 09:33: Now using data updates from INGV

Earthquake details

Date & timeJan 20, 2022 09:19:57 UTC -
Local time at epicenterThursday, Jan 20, 2022 at 10:19 am (GMT +1)
StatusConfirmed
Magnitude4.3
Depth9.9 km
Epicenter latitude / longitude38.8183°N / 16.0653°E (Tyrrhenian Sea, Italy)
Antipode38.818°S / 163.935°W
Shaking intensityLight shaking
Felt18 reports
Primary data sourceINGV (Istituto Nazionale di Geofisica e Vulcanologia)
Nearest volcanoStromboli (74 km / 46 mi)
Nearby towns and cities456 km (283 mi) SE of Rome (pop: 2,318,900) | Show on map | Quakes nearby
74 km (46 mi) E of Stromboli Island (pop: 400) | Show on map | Quakes nearby
105 km (65 mi) ENE of Lipari Island (pop: 12,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 13°C (55 F), humidity: 76%, wind: 1 m/s (2 kts)
Estimated seismic energy released1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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
4.39.9 kmItaly: Costa Calabra Sud-occidentale (Catanzaro, Vibo Valentia, Reggio Di Calabria)INGV
4.410 kmSicily, ItalyRaspberryShake
4.62 kmSICILY, ITALYEMSC
4.110 kmItaly: 321 Km WSW From OthonoiNOA
4.410 kmSicily, ItalyGFZ
4.310 kmItaly: Pizzo / SüditalienZAMG

Seismograms

Seismic station: Castrocucco, Italy (CUC/MN network) | Distance from quake: 132 km / 82 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 (18)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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rende (59.4 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Mileto (23.5 km S of epicenter) [Map] / Moderate shaking (MMI V) / 5-10 s
Sant'Onofrio (15.1 km SSE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Cosenza, Calabria (55.2 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Cosenza, Calabria (55.7 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Cosenza / Weak shaking (MMI III) / both vertical and horizontal swinging / 2-5 s
Tropea / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
vibo marina / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Confusion  
San Leo di Briatico / Light shaking (MMI IV) / 5-10 s : Heavy feeling of shaking and wobbling but nothing fell or broke  
Vibo valentia / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
amantea / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
sitting on my sofa / Weak shaking (MMI III) / 1-2 s
San Lucido, Cosenza / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Had to check it was an earthquake on this site.  
Amantea / Strong shaking (MMI VI) / single lateral shake / 2-5 s
GUARDIA PIEMONTESE / Weak shaking (MMI III) / complex motion difficult to describe / 2-5 s (reported through our app)
VIBO VALENTIA / Light shaking (MMI IV) / vertical swinging (up and down) / 2-5 s
Cosenza / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Marina di Fuscaldo / Light shaking (MMI IV) / 2-5 s

Earlier earthquakes in the same area

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