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Moderate mag. 4.6 earthquake - Tyrrhenian Sea, 36 km northwest of Milazzo, Province of Messina, Sicily, Italy, on Sunday, Dec 4, 2022 at 8:12 am (GMT +1) -

Moderate mag. 4.6 earthquake - Tyrrhenian Sea, 36 km northwest of Milazzo, Province of Messina, Sicily, Italy, on Sunday, Dec 4, 2022 at 8:12 am (GMT +1) Moderate mag. 4.6 earthquake - Tyrrhenian Sea, 36 km northwest of Milazzo, Province of Messina, Sicily, Italy, on Sunday, Dec 4, 2022 at 8:12 am (GMT +1)

Moderate magnitude 4.6 earthquake at 3 km depth

4 Dec 07:17 UTC: First to report: GFZ after 5 minutes.
4 Dec 07:19: Epicenter location corrected by 5.6 km (3.5 mi) towards N.
4 Dec 07:49: Now using data updates from INGV

Earthquake details

Date & timeDec 4, 2022 07:12:45 UTC -
Local time at epicenterSunday, Dec 4, 2022 at 8:12 am (GMT +1)
StatusConfirmed
Magnitude4.6
Depth3.1 km
Epicenter latitude / longitude38.354°N / 14.859°E (Tyrrhenian Sea, Italy)
Antipode38.354°S / 165.141°W
Shaking intensityWeak shaking
Felt12 reports
Primary data sourceINGV (Istituto Nazionale di Geofisica e Vulcanologia)
Nearest volcanoVulcano (11 km / 7 mi)
Nearby towns and cities11 km (7 mi) WSW of Vulcano Piano (pop: 396) | Show on map | Quakes nearby
36 km (23 mi) WNW of Milazzo (Province of Messina) (pop: 31,800) | Show on map | Quakes nearby
39 km (24 mi) NW of Barcellona Pozzo di Gotto (Provincia di Messina) (pop: 34,600) | Show on map | Quakes nearby
63 km (39 mi) WNW of Messine (pop: 219,900) | Show on map | Quakes nearby
75 km (47 mi) WNW of Reggio Calabria (pop: 169,100) | Show on map | Quakes nearby
87 km (54 mi) NNW of Acireale (pop: 49,500) | Show on map | Quakes nearby
98 km (61 mi) N of Catania (pop: 290,900) | Show on map | Quakes nearby
441 km (274 mi) SSE of Rome (pop: 2,318,900) | Show on map | Quakes nearby
11 km (7 mi) WSW of Vulcano Island (pop: 715) | Show on map | Quakes nearby
16 km (10 mi) SSW of Lipari Island (pop: 12,700) | Show on map | Quakes nearby
115 km (71 mi) NE of Sicily Island (pop: 5,017,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 15.3°C (60 F), humidity: 56%, wind: 0 m/s (1 kts) from S
Estimated seismic energy released5 x 1011 joules (139 megawatt hours, equivalent to 120 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
4.63.1 kmItaly: Isole Eolie (Messina)INGV
4.410 kmSICILY, ITALYEMSC
4.410.3 kmSicily, ItalyRaspberryShake
4.410 kmSicily, ItalyGFZ
4.410.3 km11 Km S of Lipari, ItalyUSGS
4.410 kmSicily, ItalyIRIS
4.63 kmItaly: Gioiosa Marea / SizilienZAMG

Seismograms

Seismic station: Castrocucco, Italy (CUC/MN network) | Distance from quake: 200 km / 124 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 (14)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Cefalù Zona santa Lucia (83 km WSW of epicenter) [Map] / not felt (reported through our app)
Canneto, Lipari (17.9 km NNE of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s
Acquedolci (48.3 km SW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
capo d orlando sicily (23.8 km SSW of epicenter) [Map] / Light shaking (MMI IV)
Airone (20.9 km S of epicenter) [Map] / Weak shaking (MMI III)
Guidomandri Marina, Province of Messina, Sicily (69.3 km SE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s : Stavo seduta al tavolo e o sentito una oscillazione laterale per cca 2 /3secondi  
Acquedolci, Province of Messina, Sicily (40.7 km SW of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
Messina / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : I felt the vibration, but it lasted longer than last earthquake that I felt here  
Nicosia / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s : Very weak shaking  
Capo D'Orlando / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Catania / not felt (reported through our app)
Nicosia / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s : Very weak shaking  
Lipari / Weak shaking (MMI III) / complex motion difficult to describe / 5-10 s (reported through our app)
Cefalù / Weak shaking (MMI III) / rattling, vibrating / 2-5 s

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