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Weak mag. 2.7 earthquake - Adriatic Sea, 8.8 km southeast of Rijeka, Primorsko-Goranska Županija, Croatia, on Wednesday, Nov 30, 2022 at 5:33 pm (GMT +1) -

Weak mag. 2.7 earthquake - Adriatic Sea, 8.8 km southeast of Rijeka, Primorsko-Goranska Županija, Croatia, on Wednesday, Nov 30, 2022 at 5:33 pm (GMT +1) Weak mag. 2.7 earthquake - Adriatic Sea, 8.8 km southeast of Rijeka, Primorsko-Goranska Županija, Croatia, on Wednesday, Nov 30, 2022 at 5:33 pm (GMT +1)

Weak magnitude 2.7 earthquake at 4 km depth

30 Nov 16:37 UTC: First to report: VolcanoDiscovery after 4 minutes.
30 Nov 16:38: Now using data updates from EMSC
Update Wed, 30 Nov 2022, 16:54

Small earthquake of magnitude 2.7 just reported 9 km southeast of Rijeka, Croatia

2.7 quake 30 Nov 5:33 pm (GMT +1)
2.7 quake 30 Nov 5:33 pm (GMT +1)
A magnitude 2.7 earthquake near Rijeka, Primorsko-Goranska Županija, Croatia, was reported only 21 minutes ago by the European-Mediterranean Seismological Centre (EMSC), considered one of the key international agencies that monitor seismic activity worldwide. The earthquake occurred at a very shallow depth of 4 km beneath the epicenter in the afternoon on Wednesday, November 30th, 2022, at 5:33 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the citizen-seismograph network of RaspberryShake which listed the quake at magnitude 2.7 as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Porto Re (pop. 2,900) located 4 km from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Buccari (pop. 1,600) located 4 km from the epicenter, Krasica (pop. 1,400) 5 km away, Škrljevo (pop. 1,300) 6 km away, Omišalj (pop. 1,900) 7 km away, Rijeka (pop. 141,200) 9 km away, Drenova (pop. 7,600) 11 km away, Crkvenica (pop. 7,200) 17 km away, and Opatija (pop. 7,900) 18 km away.

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Earthquake details

Date & timeNov 30, 2022 16:33:24 UTC -
Local time at epicenterWednesday, Nov 30, 2022 at 5:33 pm (GMT +1)
StatusConfirmed
Magnitude2.7
Depth4.0 km
Epicenter latitude / longitude45.27°N / 14.52°E (Adriatic Sea, Croatia)
Antipode45.27°S / 165.48°W
Shaking intensityWeak shaking
Felt13 reports
Primary data sourceEMSC (European-Mediterranean Seismological Centre)
Nearby towns and cities4 km (2 mi) W of Porto Re (pop: 2,860) | Show on map | Quakes nearby
9 km (5 mi) SE of Rijeka (pop: 141,200) | Show on map | Quakes nearby
16 km (10 mi) N of Malinska (pop: 965) | Show on map | Quakes nearby
17 km (11 mi) NW of Crkvenica (Općina Crikvenica) (pop: 7,160) | Show on map | Quakes nearby
18 km (11 mi) ESE of Opatija (pop: 7,890) | Show on map | Quakes nearby
23 km (14 mi) SSE of Klana (pop: 1,180) | Show on map | Quakes nearby
26 km (16 mi) SW of Delnice (pop: 4,470) | Show on map | Quakes nearby
129 km (80 mi) WSW of Zagreb (pop: 699,000) | Show on map | Quakes nearby
91 km (56 mi) N of Tovarnjak Island (pop: 85) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 7.8°C (46 F), humidity: 62%, wind: 7 m/s (14 kts) from ENE
Estimated seismic energy released7.1 x 108 joules (197 kilowatt hours, equivalent to 0.169 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
2.74 kmNear Labin, Istria, CroatiaEMSC
2.74 kmCroatia: NW Balkan RegionRaspberryShake
2.74 kmCroatia: Rijeka / AdriaZAMG

Seismograms

Seismic station: Koelnbreinsperre, Kaernten, Austria (KBA/OE network) | Distance from quake: 221 km / 137 mi | Show on map | Station Info
Seismic station Koelnbreinsperre, Kaernten, Austria: 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (13)

At magnitude 2.7, 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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Croatia, Icici (20.1 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s : Was on top floor of the house and heard rattling as if it was the furniture windows and doors but nothing moved. Was not heard or felt by family member on the ground floor | 3 users found this interesting.  
Rijeka, Primorje-Gorski kotar (6.6 km NNW of epicenter) [Map] / Strong shaking (MMI VI) : It was a strong and short earthquake. | 3 users found this interesting.  
Rijeka (6.8 km NW of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s : Very short | 3 users found this interesting.  
Viškovo / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Porcelain was vibrating | One user found this interesting.  
Kraljevica (3.8 km ENE of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s
Rijeka (6.8 km NNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Rijeka (11.9 km S of epicenter) [Map] / Very weak shaking (MMI II)
Jadranovo / Weak shaking (MMI III)
Rijeka / Very weak shaking (MMI II) / single vertical bump / 2-5 s
Cizici / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s
Rijeka / Light shaking (MMI IV) / vibration and rolling / very short
Rijeka / Weak shaking (MMI III) / single vertical bump / very short
Rijeka / Very weak shaking (MMI II)

Earlier earthquakes in the same area

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