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Light mag. 3.5 earthquake - 20 km north of Arezzo, Tuscany, Italy, on Friday, Nov 25, 2022 at 2:15 am (GMT +1) -

I felt this quake
Light mag. 3.5 earthquake - 20 km north of Arezzo, Tuscany, Italy, on Friday, Nov 25, 2022 at 2:15 am (GMT +1) Light mag. 3.5 earthquake - 20 km north of Arezzo, Tuscany, Italy, on Friday, Nov 25, 2022 at 2:15 am (GMT +1)

Light magnitude 3.5 earthquake at 10 km depth

25 Nov 01:17 UTC: First to report: GFZ after 3 minutes.
25 Nov 01:22: Magnitude recalculated from 4.2 to 3.9. Epicenter location corrected by 1.1 km (0.7 mi) towards N.
25 Nov 01:29: Now using data updates from INGV
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Earthquake details

Date & timeNov 25, 2022 01:15:04 UTC -
Local time at epicenterFriday, Nov 25, 2022 at 2:15 am (GMT +1)
Depth10.4 km
Epicenter latitude / longitude43.6298°N / 11.794°E (Arezzo, Tuscany, Italy)
Antipode43.63°S / 168.206°W
Shaking intensityWeak shaking
Felt15 reports
Primary data sourceINGV (Istituto Nazionale di Geofisica e Vulcanologia)
Nearest volcanoColli Albani (222 km / 138 mi)
Nearby towns and cities5 km (3 mi) SW of Casalecchio (pop: 39) | Show on map | Quakes nearby
20 km (12 mi) NNW of Arezzo (pop: 76,300) | Show on map | Quakes nearby
21 km (13 mi) NE of Montevarchi (Provincia di Arezzo) (pop: 18,700) | Show on map | Quakes nearby
22 km (14 mi) ENE of San Giovanni Valdarno (Provincia di Arezzo) (pop: 16,000) | Show on map | Quakes nearby
26 km (16 mi) E of Figline Valdarno (Città Metropolitana di Firenze) (pop: 13,300) | Show on map | Quakes nearby
40 km (25 mi) WNW of Citta di Castello (Provincia di Perugia, Umbria) (pop: 22,500) | Show on map | Quakes nearby
47 km (29 mi) ESE of Florence (pop: 349,300) | Show on map | Quakes nearby
202 km (126 mi) NNW of Rome (Latium) (pop: 2,318,900) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 3.5°C (38 F), humidity: 92%, wind: 1 m/s (1 kts) from SW
Estimated seismic energy released1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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.
3.510.4 kmItaly: 3 Km N Talla (AR)INGV
3.910 kmCentral ItalyRaspberryShake
3.910 kmCentral ItalyGFZ
3.510 kmItaly: Bibbiena / ItalienZAMG


Seismic station: Villacollemandina, Italy (VLC/MN network) | Distance from quake: 127 km / 79 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (17)

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.
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Capolona localita Vezza / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s : Es gab einen Ruck, wie wenn das Bett etwas hoch- und auf die Seite gehoben worden wäre, dazu ein dumpfes Gräusch.  
Poppi (9.9 km N of epicenter) [Map] / Moderate shaking (MMI V) / single vertical bump / 1-2 s : Single moderate shake - bed moved few centimetres  
Florence (43.9 km WNW of epicenter) [Map] / Light shaking (MMI IV)
Farneta (13.3 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
Florence (47.6 km WNW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
Figline Valdarno, Florence, Tuscany (27.9 km W of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Arezzo giovi (19.8 km SSE of epicenter) [Map] / Weak shaking (MMI III) : I was sleeping and heard some shaking then felt I slight shaking in the building I’m living in  
Florence (43.9 km WNW of epicenter) [Map] / Light shaking (MMI IV)
Montevarchi (21.8 km WSW of epicenter) [Map] / Weak shaking (MMI III) : Bed shaking side to side  
Arezzo (20.2 km SSE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Senigallia / Weak shaking (MMI III) : Lieve scricchiolii  
Montecstini / not felt
Firenze / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Florence, Italy / Weak shaking (MMI III) / rattling, vibrating / 10-15 s : weak shaking  
Figline valdarno / Very weak shaking (MMI II) / very short : Laying on my bed in a mobile home and suddenly felt the mobile home shaking  
Florence / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Torrita di Siena / not felt

Earlier earthquakes in the same area

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