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Weak mag. 2.1 earthquake - 8.7 km southwest of Sisak, Croatia, on Saturday, July 24, 2021 at 14:01 GMT

Weak mag. 2.1 earthquake - 8.7 km southwest of Sisak, Croatia, on Saturday, July 24, 2021 at 14:01 GMT Weak mag. 2.1 earthquake - 8.7 km southwest of Sisak, Croatia, on Saturday, July 24, 2021 at 14:01 GMT

Weak magnitude 2.1 earthquake at 2 km depth

24 Jul 14:05 UTC: First to report: EMSC after 4 minutes.
24 Jul 14:27: Magnitude recalculated from 1.8 to 2.3. Hypocenter depth recalculated from 12.0 to 3.0 km (from 7.5 to 1.9 mi). Epicenter location corrected by 11 km (6.8 mi) towards SE.
24 Jul 14:28: Magnitude recalculated from 2.3 to 2.1. Hypocenter depth recalculated from 3.0 to 2.0 km (from 1.9 to 1.2 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards N.

Earthquake details

Date & timeJul 24, 2021 14:01:27 UTC
Local time at epicenter
Depth2.0 km
Epicenter latitude / longitude45.43°N / 16.28°E (Town of Petrinja, Sisak-Moslavina, Croatia)
Antipode45.43°S / 163.72°W
Shaking intensityWeak shaking
Felt2 reports
Primary data sourceEMSC (European-Mediterranean Seismological Centre)
Nearby towns and cities1 km (1 mi) SW of Petrinja (pop: 15,700) | Show on map | Quakes nearby
9 km (5 mi) WSW of Sisak (pop: 35,700) | Show on map | Quakes nearby
9 km (6 mi) NNE of Luščani (Sisačko-Moslavačka) (pop: 163) | Show on map | Quakes nearby
11 km (7 mi) ESE of Stari Brod (Sisačko-Moslavačka) (pop: 166) | Show on map | Quakes nearby
18 km (11 mi) SSE of Lekenik (Sisačko-Moslavačka) (pop: 1,900) | Show on map | Quakes nearby
18 km (11 mi) NE of Glina (Sisačko-Moslavačka) (pop: 4,680) | Show on map | Quakes nearby
19 km (12 mi) SSW of Martinska Ves (Sisačko-Moslavačka) (pop: 683) | Show on map | Quakes nearby
24 km (15 mi) WSW of Stružec (Sisačko-Moslavačka) (pop: 687) | Show on map | Quakes nearby
30 km (19 mi) NW of Hrvatska Kostajnica (Sisačko-Moslavačka) (pop: 2,130) | Show on map | Quakes nearby
49 km (30 mi) SSE of Zagreb (City of Zagreb) (pop: 699,000) | Show on map | Quakes nearby
Estimated seismic energy released8.9 x 107 joules (24.8 kilowatt hours) | about seismic energy
Show interactive Map
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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.
2.33 kmCroatia: Sisak / KroatienZAMG
2.510 kmCroatiaKRZO


Seismic station: Arzberg, Steiermark, Austria (ARSA/OE network) | Distance from quake: 211 km / 131 mi | Show on map | Station Info
Seismic station Arzberg, Steiermark, 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 (2)

At magnitude 2.1, such a quake wouldn't normally be felt by people except under very favorable conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Sisak, Sisačko-Moslavačka (8.9 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
Petrinja / Light shaking (MMI IV) / rattling, vibrating / 1-2 s

Earlier earthquakes in the same area

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