Moderate mag. 4.1 earthquake - Grad Petrinja, Sisak-Moslavina, 42 km southeast of Zagreb, Croatia, on Thursday, 18 Feb 2021 1:08 pm (GMT +1) -

Moderate mag. 4.1 earthquake - Grad Petrinja, Sisak-Moslavina, 42 km southeast of Zagreb, Croatia, on Thursday, 18 Feb 2021 1:08 pm (GMT +1)

Moderate magnitude 4.1 earthquake at 10 km depth

18 Feb 12:11 UTC: First to report: GFZ after 3 minutes.
18 Feb 12:15: Epicenter location corrected by 3.3 km (2.1 mi) towards S.
18 Feb 12:16: Magnitude recalculated from 4.2 to 4.1.
Update Thu, 18 Feb 2021, 12:15
Moderate 4.2 quake hits near Zagreb, Croatia
4.2 quake 18 Feb 1:08 pm (GMT +1)
4.2 quake 18 Feb 1:08 pm (GMT +1)
An earthquake of magnitude 4.2 occurred around noon on Thursday 18 February 2021 at 1:08 pm local time near Zagreb, Croatia, as reported by the German Research Centre for Geosciences (GFZ).
According to preliminary data, the quake was located at a shallow depth of 10 km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. 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.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Žažina (pop. 360) located 1 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Petrinja (pop. 13,900) located 9 km from the epicenter, Sisak (pop. 35,700) 13 km away, Velika Gorica (pop. 35,100) 26 km away, Sesvete (pop. 52,400) 37 km away, Donji grad (pop. 37,000) 39 km away, and Zagreb (pop. 699,000) 39 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Stenjevec (pop. 41,300) located 43 km from the epicenter, Zapresic (pop. 19,700) 51 km away, and Samobor (pop. 15,200) 51 km away.
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Earthquake data:

Date & time: 18 Feb 2021 12:08:42 UTC -
Local time at epicenter: Thursday, 18 Feb 2021 1:08 pm (GMT +1)
Magnitude: 4.1
Depth: 10.0 km
Epicenter latitude / longitude: 45.48°N / 16.23°E (Grad Petrinja, Sisak-Moslavina, Croatia)
Nearby towns and cities:
1 km (1 mi) WNW of Mala Gorica (Sisačko-Moslavačka) (pop: 510) --> See nearby quakes!
7 km (4 mi) NW of Petrinja (Sisačko-Moslavačka) (pop: 13,900) --> See nearby quakes!
12 km (7 mi) W of Sisak (Sisačko-Moslavačka) (pop: 35,700) --> See nearby quakes!
29 km (18 mi) SSE of Velika Gorica (Zagrebačka) (pop: 35,100) --> See nearby quakes!
40 km (25 mi) SSE of Sesvete (City of Zagreb) (pop: 52,400) --> See nearby quakes!
42 km (26 mi) SSE of Donji grad (City of Zagreb) (pop: 37,000) --> See nearby quakes!
42 km (26 mi) SSE of Zagreb (City of Zagreb) (pop: 699,000) --> See nearby quakes!
45 km (28 mi) SE of Stenjevec (City of Zagreb) (pop: 41,300) --> See nearby quakes!
53 km (33 mi) SE of Zapresic (Općina Zaprešić, Zagrebačka) (pop: 19,700) --> See nearby quakes!
54 km (33 mi) SE of Samobor (Zagrebačka) (pop: 15,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Mist 3°C (37 F), humidity: 100%, wind: 0 m/s (0 kts) from SSE
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
4.110 kmNW Balkan Region, CroatiaGFZ
4.12 kmCROATIAEMSC
4.213 kmCroatia [Land]INGV
3.710 kmCroatia RegionNIEP
3.710 kmSisak / Kroatien, CroatiaZAMG
4.110 kmCroatiaKRZO
4.05 kmOLDACT:UP, CroatiaUni Köln

User reports for this quake (133)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Zagreb, Dubrava (41.3 km NNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : First furniture start cracking then this old one swinging starts ...... not long but it's starts like one in December and thankfully was short | 3 users found this interesting.  
42.5 km NNW of epicenter [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Rumbling, few seconds later significant shaking | 3 users found this interesting. (reported through our app)  
Zagreb, west side, Gajnuce / not felt / single lateral shake / 2-5 s : Zagreb, west, Gajnice, 1st floor of building, heared tremor of cabinet doors, but no any other sound or ground shaking. | One user found this interesting.  
37.7 km NNW of epicenter [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s : I was sitting on a chair and i could feel like the ground moved beneath my chair. Very uncomfortable. Thank God it was over in a second. (reported through our app)  
Velika Mlaka / Weak shaking (MMI III) / 2-5 s : Boom sound and light shakeing | 2 users found this interesting.  
Odranski obrez, Zagreb (34.7 km NW of epicenter) [Map] / Strong shaking (MMI VI) / single lateral shake / 1-2 s : Short but strong | One user found this interesting.  
Zagreb downtown / not felt : i was standing up and moving a bit so I did not feel shaking, but i heard the wood of my flat (old building, 2nd floor) creaking very loudly  
43.4 km NW of epicenter [Map] / Light shaking (MMI IV) / 2-5 s
41.1 km NNW of epicenter [Map] / Moderate shaking (MMI V)
zagreb (44.4 km NNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
110.8 km NW of epicenter [Map] / not felt (reported through our app)
41.1 km NNW of epicenter [Map] / Moderate shaking (MMI V)
Zagreb (42 km NW of epicenter) [Map] / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 5-10 s (reported through our app)
Trieste (190.4 km W of epicenter) [Map] / not felt (reported through our app)
191.1 km W of epicenter [Map] / not felt (reported through our app)
Sveta Nedelja (48.6 km NW of epicenter) [Map] / not felt (reported through our app)
43.8 km NNW of epicenter [Map] / not felt : I was out, but it was felt by others in the neighbourhood. (reported through our app)  
191.9 km NNW of epicenter [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s (reported through our app)
Graz (1.6 km NW of epicenter) [Map] / not felt
40.9 km NNW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
11.4 km E of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
37.7 km NNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Žažina (4.1 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
39.1 km NNW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
Petrinja (5.4 km SSE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
277 km W of epicenter [Map] / not felt (reported through our app)
Karlovac (52.5 km W of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Karlovac (52.5 km W of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
82 km E of epicenter [Map] / not felt
10.8 km E of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
Petrinja (7.6 km ESE of epicenter) [Map] / Strong shaking (MMI VI) / complex motion difficult to describe / 5-10 s : Strong shaking with tunder (reported through our app)  
Petrinja (7.6 km ESE of epicenter) [Map] / Strong shaking (MMI VI) / 5-10 s : Strong shaking with tunder (reported through our app)  
15 km E of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
Klinča Sela (45.1 km WNW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s (reported through our app)
194.4 km NW of epicenter [Map] / not felt (reported through our app)
Desinić (86.2 km NNW of epicenter) [Map] / not felt (reported through our app)
Zagreb, Gornja Dubrava (42.8 km NNW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s : a sound like an explosion and then a tremor in the waves (reported through our app)  
38.7 km NW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
Dugo Selo (36.9 km N of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s (reported through our app)
110.7 km SE of epicenter [Map] / not felt (reported through our app)
40.9 km NNW of epicenter [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s
41.1 km NNW of epicenter [Map] / Moderate shaking (MMI V)
42.8 km NNW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
39.7 km NNW of epicenter [Map] / Weak shaking (MMI III) / 2-5 s (reported through our app)
40.2 km NNW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
41.1 km NNW of epicenter [Map] / Moderate shaking (MMI V)
10.8 km E of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
Topolovac (15.8 km E of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s (reported through our app)
48.9 km NNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
20.3 km W of epicenter [Map] / Light shaking (MMI IV)
33.1 km NNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
37.8 km NNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
52.5 km W of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
5.3 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
46.7 km NNW of epicenter [Map] / not felt (reported through our app)
52.5 km W of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
41.6 km NNW of epicenter [Map] / Very weak shaking (MMI II) : Shaking under the feet (reported through our app)  
28.5 km NNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
87.9 km NNE of epicenter [Map] / not felt
40.5 km NNW of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
46.6 km NNW of epicenter [Map] / Light shaking (MMI IV) / 2-5 s (reported through our app)
Zagreb, 19. Floor (37.2 km NNW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s (reported through our app)
Zagreb (39.5 km NNW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
13.7 km E of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
37.2 km NW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
41.2 km NNW of epicenter [Map] / not felt (reported through our app)
Zagreb (40.1 km NNW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
45.1 km NNW of epicenter [Map] / Moderate shaking (MMI V) / 2-5 s (reported through our app)
26.5 km NNW of epicenter [Map] / Moderate shaking (MMI V) / 5-10 s (reported through our app)
46.3 km NNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
128.1 km NNW of epicenter [Map] / Very weak shaking (MMI II) / 1-2 s
40.2 km NNW of epicenter [Map] / Light shaking (MMI IV)
28.7 km NNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
402.8 km NNW of epicenter [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s
zagreb (47.2 km NW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating
39.3 km NW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Zagreb (39.5 km NNW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
40.8 km NNW of epicenter [Map] / Weak shaking (MMI III) / single lateral shake / very short (reported through our app)
12.9 km E of epicenter [Map] / Moderate shaking (MMI V) / 5-10 s (reported through our app)
Sisak (12 km E of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating (reported through our app)
9.4 km E of epicenter [Map] / Weak shaking (MMI III) / 5-10 s (reported through our app)
29.7 km NNW of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
44.2 km NW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
28.3 km NNW of epicenter [Map] / Light shaking (MMI IV) / 5-10 s (reported through our app)
Zagreb, Croatia / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Zagreb / Strong shaking (MMI VI) / 2-5 s
Zagreb / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s
Zagreb / Very weak shaking (MMI II)
Zagreb / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Krsko / Very weak shaking (MMI II) / 2-5 s
Ivanec / Moderate shaking (MMI V) / single lateral shake / 5-10 s
Zagreb / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s
Zagreb / not felt : I was at the building in the centre of Zagreb  
Zagreb / Very weak shaking (MMI II) / single lateral shake : short sound, 2 sec shake  
Zagreb / Light shaking (MMI IV)
Glina / Very weak shaking (MMI II) / 1-2 s
sesvete / not felt
Zagreb / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Rogaška Slatina / Very weak shaking (MMI II) / single vertical bump / very short
Varazdin / Very weak shaking (MMI II) / rattling, vibrating / very short
Plešivica, Jastrebarsko 10450 / Light shaking (MMI IV) / 1-2 s
Zagreb / Light shaking (MMI IV) / 5-10 s
zagreb / Light shaking (MMI IV)
glina / Light shaking (MMI IV)
Zagreb / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Zagreb / Very weak shaking (MMI II) / single lateral shake / 2-5 s : Weak shaking  
Zagreb / Very weak shaking (MMI II) / very short
Stari Brod, Croatia / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s
Zagreb / Light shaking (MMI IV)
petrinja / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s
Zagreb / Light shaking (MMI IV) / single vertical bump / 1-2 s
Zagreb / Weak shaking (MMI III)
Zagreb / Very weak shaking (MMI II)
Zagreb / Light shaking (MMI IV) / rattling, vibrating
Zagreb / Light shaking (MMI IV)
ZAGREB / Light shaking (MMI IV)
Maribor / Weak shaking (MMI III)
Zagreb, Downtown / Light shaking (MMI IV) / 10-15 s
Zagreb / Light shaking (MMI IV)
Zagreb / Light shaking (MMI IV) / 5-10 s
Zagreb / Weak shaking (MMI III)
Petrinja / Light shaking (MMI IV) / 2-5 s
Zagreb / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Zagreb / Weak shaking (MMI III)
Novi Marof / Light shaking (MMI IV)
Varaždin / Light shaking (MMI IV) / 2-5 s
Zagreb / Very weak shaking (MMI II)
Zagreb / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
zagreb / Weak shaking (MMI III)
Karlovac / Very weak shaking (MMI II) / 2-5 s
Lukavec, Velika Gorica / Moderate shaking (MMI V) / complex rolling (tilting in multiple directions) / 5-10 s
Zagreb / Light shaking (MMI IV) / 2-5 s
Zagreb / Light shaking (MMI IV)
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