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Moderate mag. 4.2 earthquake - Sisak-Moslavina, 2.9 km south of Hotnja, Croatia, on Friday, Jan 15, 2021 at 1:01 pm (GMT +1)

Moderate mag. 4.2 earthquake - Sisak-Moslavina, 2.9 km south of Hotnja, Croatia, on Friday, Jan 15, 2021 at 1:01 pm (GMT +1) Moderate mag. 4.2 earthquake - Sisak-Moslavina, 2.9 km south of Hotnja, Croatia, on Friday, Jan 15, 2021 at 1:01 pm (GMT +1)

Moderate magnitude 4.2 earthquake at 10 km depth

15 Jan 12:04 UTC: First to report: GFZ after 2 minutes.
15 Jan 12:09: Magnitude recalculated from 4.4 to 4.2. Epicenter location corrected by 1.6 km (1 mi) towards W.

Earthquake details

Date & timeJan 15, 2021 12:01:37 UTC
Local time at epicenterFriday, Jan 15, 2021 at 1:01 pm (GMT +1)
StatusConfirmed
Magnitude4.2
Depth10.0 km
Epicenter latitude / longitude45.48°N / 16.05°E (Town of Glina, Sisak-Moslavina, Croatia)
Antipode45.48°S / 163.95°W
Shaking intensityLight shaking
Felt108 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearby towns and cities3 km (2 mi) S of Hotnja (Zagrebačka) (pop: 236) | Show on map | Quakes nearby
19 km (12 mi) WNW of Petrinja (pop: 15,700) | Show on map | Quakes nearby
26 km (16 mi) W of Sisak (pop: 35,700) | Show on map | Quakes nearby
26 km (16 mi) S of Velika Gorica (Zagreb) (pop: 31,600) | Show on map | Quakes nearby
38 km (23 mi) S of Zagreb (City of Zagreb) (pop: 699,000) | Show on map | Quakes nearby
39 km (24 mi) SSE of Stenjevec (City of Zagreb) (pop: 41,300) | Show on map | Quakes nearby
39 km (24 mi) S of Sesvete (City of Zagreb) (pop: 52,400) | Show on map | Quakes nearby
44 km (27 mi) SE of Samobor (Zagrebačka) (pop: 16,000) | Show on map | Quakes nearby
46 km (29 mi) SSE of Zapresic (Općina Zaprešić, Zagrebačka) (pop: 19,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeScattered Clouds 2.8°C (37 F), humidity: 75%, wind: 0 m/s (1 kts) from N
Estimated seismic energy released1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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
4.210 kmNW Balkan Region, CroatiaGFZ
4.110 kmCROATIAEMSC
4.110 kmCroatiaKRZO
3.810 kmSisak / Kroatien, CroatiaZAMG
4.110 kmCroatia [Land]INGV

Seismograms

Seismic station: Grafenberg, Germany (GRFO/IU network) | Distance from quake: 592 km / 368 mi | Show on map | Station Info
Seismic station Grafenberg, Germany: 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 (136)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Zagreb, Dubrava (38.9 km N of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : My chair start rolling on the floor by itself while I was sitting on it. Weird feeling ............ | 2 users found this interesting.  
Zagreb (36.8 km N of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Slight tremor | One user found this interesting.  
Trieste (176.4 km W of epicenter) [Map] / not felt : Not felt | One user found this interesting. (reported through our app)  
Trieste, Friuli Venezia Giulia (178.6 km W of epicenter) [Map] / not felt (reported through our app)
Donji grad, HR.21.3186885, City of Zagreb (36.9 km NNW of epicenter) [Map] / not felt (reported through our app)
Karlovac (26.3 km WSW of epicenter) [Map] / Moderate shaking (MMI V)
Velika Gorica, Zagrebačka (25.2 km N of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s (reported through our app)
Mraclin, Grad Velika Gorica, Zagrebačka (11.9 km N of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s (reported through our app)
Petrinja (22.1 km E of epicenter) [Map] / Moderate shaking (MMI V) / 2-5 s (reported through our app)
Porec, Istria (195.1 km W of epicenter) [Map] / not felt (reported through our app)
Glina, Sisačko-Moslavačka (16.4 km SSE of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating
Bedekovčina, Krapinsko-Zagorska (62.3 km N of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Cakovec, Međimurska (106.4 km NNE of epicenter) [Map] / not felt (reported through our app)
Sisak, Sisačko-Moslavačka (25.5 km E of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Krizevci, Koprivničko-Križevačka (71.8 km NNE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Budaševo, City of Sisak, Sisačko-Moslavačka (28.7 km E of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Donji grad, HR.21.3186885, City of Zagreb (36.8 km N of epicenter) [Map] / Weak shaking (MMI III)
Jakšić, Požeško-Slavonska (137.2 km E of epicenter) [Map] / not felt (reported through our app)
near Gradiska (108 km ESE of epicenter) [Map] / not felt (reported through our app)
Karlovac (39.1 km W of epicenter) [Map] / Light shaking (MMI IV)
Karlovac (39.1 km W of epicenter) [Map] / Light shaking (MMI IV)
Fano, Pesaro and Urbino, The Marches (301.2 km SW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Lieboch, Graz-Umgebung, Styria (173.7 km NNW of epicenter) [Map] / not felt (reported through our app)
Lieboch, Graz-Umgebung, Styria (173.7 km NNW of epicenter) [Map] / not felt (reported through our app)
Donji grad, HR.21.3186885, City of Zagreb (36.3 km NNW of epicenter) [Map] / not felt (reported through our app)
Novi Zagreb (35.8 km N of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Glina, Sisačko-Moslavačka (15.7 km SSE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Petrinja, Sisačko-Moslavačka (18.9 km ESE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Brodarica, Grad Šibenik, Šibensko-Kniniska (197.6 km S of epicenter) [Map] / not felt (reported through our app)
Mraclin, Grad Velika Gorica, Zagrebačka (21.6 km N of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Jankomir, City of Zagreb (37.1 km NNW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
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