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Weak mag. 2.9 earthquake - Adriatic Sea, 71 km northeast of Manfredonia, Provincia di Foggia, Apulia, Italy, on Thursday, Oct 21, 2021 at 1:30 am (GMT +1) -

Weak mag. 2.9 earthquake - Adriatic Sea, 71 km northeast of Manfredonia, Provincia di Foggia, Apulia, Italy, on Thursday, Oct 21, 2021 at 1:30 am (GMT +1) Weak mag. 2.9 earthquake - Adriatic Sea, 71 km northeast of Manfredonia, Provincia di Foggia, Apulia, Italy, on Thursday, Oct 21, 2021 at 1:30 am (GMT +1)

Weak magnitude 2.9 earthquake at 10 km depth

21 Oct 00:36 UTC: First to report: NOA after 6 minutes.

Earthquake details

Date & timeOct 21, 2021 00:30:02 UTC -
Local time at epicenterThursday, Oct 21, 2021 at 1:30 am (GMT +1)
StatusConfirmed
Magnitude2.9
Depth10.0 km
Epicenter latitude / longitude42.0492°N / 16.5661°E (Adriatic Sea, Italy)
Antipode42.049°S / 163.434°W
Shaking intensityWeak shaking
Felt1 report
Primary data sourceNOA (National Observatory of Athens)
Nearest volcanoVesuvius (225 km / 140 mi)
Nearby towns and cities38 km (23 mi) ENE of Vieste (Provincia di Foggia) (pop: 11,200) | Show on map | Quakes nearby
71 km (44 mi) NE of Manfredonia (pop: 52,900) | Show on map | Quakes nearby
79 km (49 mi) ENE of San Giovanni Rotondo (pop: 26,200) | Show on map | Quakes nearby
85 km (53 mi) NNE of Barletta (pop: 93,300) | Show on map | Quakes nearby
87 km (54 mi) N of Trani (pop: 54,000) | Show on map | Quakes nearby
90 km (56 mi) N of Bisceglie (pop: 53,600) | Show on map | Quakes nearby
94 km (58 mi) NNE of Andria (pop: 98,300) | Show on map | Quakes nearby
94 km (59 mi) N of Molfetta (pop: 59,600) | Show on map | Quakes nearby
107 km (66 mi) NE of Foggia (pop: 137,000) | Show on map | Quakes nearby
336 km (209 mi) E of Rome (pop: 2,318,900) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 18.7°C (66 F), humidity: 71%, wind: 8 m/s (15 kts) from S
Estimated seismic energy released1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 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
2.910 kmItaly: 342 Km NW From OthonoiNOA

Seismograms

Seismic station: Castrocucco, Italy (CUC/MN network) | Distance from quake: 237 km / 147 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (2)

At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Silvi marina / not felt : Did not feel it  
Kameritsch AT / Light shaking (MMI IV) / single vertical bump / 1-2 s : Wake up by a loud Noise  

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