Event status: uncertain, preliminary [?]

Unconfirmed earthquake or seismic-like event: Primorsko-Goranska, 134 km northeast of Rijeka, Croatia, Aug 17, 2021 3:21 am (GMT +2) -

Unconfirmed earthquake or seismic-like event: Primorsko-Goranska, 134 km northeast of Rijeka, Croatia, Aug 17, 2021 3:21 am (GMT +2)
17 Aug 01:53 UTC: First to report: VolcanoDiscovery after 32 minutes.
Date & time: Aug 17, 2021 01:21:34 UTC -
Local time at epicenter: Tuesday, Aug 17, 2021 3:21 am (GMT +2)
Magnitude: unknown
Depth: 10.0 km
Epicenter latitude / longitude: 45.8813°N / 15.97326°E (Primorsko-Goranska Županija, Croatia)
Antipode: 45.881°S / 164.027°W
Nearby towns and cities:
7 km (4 mi) SE of Gornja Bistra (Zagrebačka) (pop: 1,840) --> See nearby quakes!
7 km (5 mi) N of Zagreb (City of Zagreb) (pop: 699,000) --> See nearby quakes!
8 km (5 mi) N of Donji grad (City of Zagreb) (pop: 37,000) --> See nearby quakes!
11 km (7 mi) NE of Stenjevec (City of Zagreb) (pop: 41,300) --> See nearby quakes!
12 km (8 mi) WNW of Sesvete (City of Zagreb) (pop: 52,400) --> See nearby quakes!
13 km (8 mi) ENE of Zapresic (Općina Zaprešić, Zagrebačka) (pop: 19,700) --> See nearby quakes!
18 km (11 mi) NNE of Brezovica (City of Zagreb) (pop: 10,900) --> See nearby quakes!
20 km (13 mi) NNW of Velika Gorica (Zagreb) (pop: 31,600) --> See nearby quakes!
22 km (13 mi) ENE of Samobor (Zagrebačka) (pop: 16,000) --> See nearby quakes!
30 km (18 mi) E of Brezice (Brežice, Slovenia) (pop: 6,570) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 26.4°C (80 F), humidity: 69%, wind: 3 m/s (5 kts) from ESE
Primary data source: VolcanoDiscovery
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User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Donji grad, HR.21.3186885, City of Zagreb (7.8 km S of epicenter) [Map] / Light shaking (MMI IV)
Karlovac / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : I thought I was making it up  
Maribor center / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
Zagreb / Light shaking (MMI IV) / single lateral shake / 1-2 s
Zagreb / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s : Just a little movement back and forth  
Ludbreg (62.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : I sleep this time when it’s begann I wake up.  
Crikvenica (126.5 km SW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
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