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Moderate mag. 4.5 earthquake - Ligurian Sea, 82 km southwest of La Spezia, Liguria, Italy, on Tuesday, Nov 8, 2022 at 4:23 pm (GMT +1) -

Moderate mag. 4.5 earthquake - Ligurian Sea, 82 km southwest of La Spezia, Liguria, Italy, on Tuesday, Nov 8, 2022 at 4:23 pm (GMT +1) Moderate mag. 4.5 earthquake - Ligurian Sea, 82 km southwest of La Spezia, Liguria, Italy, on Tuesday, Nov 8, 2022 at 4:23 pm (GMT +1)

Moderate magnitude 4.5 earthquake at 10 km depth

8 Nov 15:28 UTC: First to report: RENASS after 5 minutes.
8 Nov 15:49: Magnitude recalculated from 3.6 to 3.7.
8 Nov 15:59: Now using data updates from USGS

Earthquake details

Date & timeNov 8, 2022 15:23:23 UTC -
Local time at epicenterTuesday, Nov 8, 2022 at 4:23 pm (GMT +1)
Depth10.0 km
Epicenter latitude / longitude43.6743°N / 8.9959°E (Ligurian Sea, Italy)
Antipode43.674°S / 171.004°W
Shaking intensityWeak shaking
Felt2 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities72 km (45 mi) SSW of Portofino (pop: 406) | Show on map | Quakes nearby
74 km (46 mi) SSW of Sestri Levante (Città Metropolitana di Genova) (pop: 17,000) | Show on map | Quakes nearby
75 km (47 mi) ESE of Albenga (Provincia di Savona) (pop: 17,100) | Show on map | Quakes nearby
76 km (47 mi) ESE of Alassio (Provincia di Savona) (pop: 10,600) | Show on map | Quakes nearby
78 km (48 mi) SE of Loano (Provincia di Savona) (pop: 11,000) | Show on map | Quakes nearby
80 km (50 mi) SE of Vado Ligure (Provincia di Savona) (pop: 7,990) | Show on map | Quakes nearby
82 km (51 mi) SW of La Spezia (pop: 88,500) | Show on map | Quakes nearby
349 km (217 mi) NW of Rome (pop: 2,318,900) | Show on map | Quakes nearby
78 km (48 mi) WNW of Gorgona Island (pop: 147) | Show on map | Quakes nearby
144 km (90 mi) NW of Elba Island (pop: 32,200) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 19°C (66 F), humidity: 70%, wind: 2 m/s (4 kts) from SSE
Estimated seismic energy released3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | about seismic energy
Show interactive Map
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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.
4.510 km71 Km SSW of Portofino, ItalyUSGS
3.320 kmFrance: Mar Ligure (MARE)INGV
4.510 kmCorsica, FranceRaspberryShake
3.910 km71 Km SE De Imperia (Italy)CEA-DASE
3.810 kmItaly: Corsica, FranceGFZ
3.75.4 kmItaly: Near GenoaRENASS
4.510 kmItaly: Corsica, FranceIRIS
3.920 kmFrance: Levanto / KorsikaZAMG


Seismic station: Villacollemandina, Italy (VLC/MN network) | Distance from quake: 124 km / 77 mi | Show on map | Station Info
Seismic station Villacollemandina, 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 (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Perugia (281.2 km E of epicenter) [Map] / Very weak shaking (MMI II) / vibration and rolling / 2-5 s : Vibration for 5 sec | 7 users found this interesting.  
Modena / Weak shaking (MMI III) / horizontal (sideways) swinging : Weak shaking | 5 users found this interesting.  
Nice, Alpes-Maritimes, Provence-Alpes-Côte d'Azur (137.9 km W of epicenter) [Map] / not felt : Les distributeurs à cartes se sont bloqués pendant1 minute environ dans banque LCL-republique à Nice.jy étais!!  

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