Quake Info: Light Mag. 2.9 Earthquake - 13 km North of Banja Luka, Bosnia Serb Republic, Bosnia & Herzegovina, on Thursday, May 6, 2021, at 09:59 pm (Sarajevo Time)

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Earthquake details

Date & time	May 6, 2021 19:59:31 UTC
Local time at epicenter	Thursday, May 6, 2021, at 09:59 pm (Europe/Sarajevo GMT +2)
Status	Preliminary (automatic detection)
Magnitude	2.9
Depth	2.0 km
Epicenter latitude / longitude	44.89°N / 17.24°E Bosnia Serb Republic, Bosnia & Herzegovina Also near: Croatia 29 km (18 mi) away
Seismic antipode	44.89°S / 162.76°W
Shaking intensity	Light shaking near epicenter
Felt	15 reports
Primary data source	EMSC (European-Mediterranean Seismological Centre)
Nearest volcano	###NEARESTVOLCANO2###
Weather at epicenter at time of quake
Estimated seismic energy released	1.4 x 10⁹ joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) \| about seismic energy

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Nearby places

The closest larger town where the quake might have been felt is Banja Luka, a city with more than 220,000 inhabitants in Bosnia and Herzegovina, in 12.9 km (8 mi) distance south of the epicenter. People likely experienced weak shaking there. Several smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of

Bosnia and Herzegovina, Sarajevo, 146 km (91 mi) away from the epicenter, the earthquake could not be felt.
The following table shows some of the places that might have been affected (or not) by the shaking.

Distance	Place	Max. shaking intensity(*)	Region	Country
4 km (2 mi) S of epicenter	Trn (pop: 7,550)	IV: Light	Bosnia Serb Republic	Bosnia and Herzegovina
13 km (8 mi) S of epicenter	Banja Luka (pop: 221,100)	III: Weak	Bosnia Serb Republic	Bosnia and Herzegovina
20 km (12 mi) S of epicenter	Celinac (pop: 6,670)	II: Very weak	Bosnia Serb Republic	Bosnia and Herzegovina
26 km (16 mi) SW of epicenter	Bronzani Majdan (pop: 3,950)	II: Very weak	Bosnia Serb Republic	Bosnia and Herzegovina
27 km (17 mi) W of epicenter	Omarska (pop: 6,470)	II: Very weak	Bosnia Serb Republic	Bosnia and Herzegovina
28 km (18 mi) N of epicenter	Gradiska (pop: 13,300)	II: Very weak	Bosnia Serb Republic	Bosnia and Herzegovina
32 km (20 mi) NE of epicenter	Srbac (pop: 7,380)	II: Very weak	Bosnia Serb Republic	Bosnia and Herzegovina
33 km (21 mi) E of epicenter	Prnjavor (pop: 7,100)	II: Very weak	Bosnia Serb Republic	Bosnia and Herzegovina
43 km (26 mi) W of epicenter	Prijedor (pop: 36,300)	II: Very weak	Bosnia Serb Republic	Bosnia and Herzegovina
146 km (91 mi) SE of epicenter	Sarajevo (pop: 696,700)	: Not felt	Federation of B&H	Bosnia and Herzegovina

Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

User-reports for this quake (17)

The first report about ground shaking reached us after only 5 minutes, before other agencies reported it. We received 16 reports for this quake.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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Translate

Banja Luka / not felt

Banja Luka, Zaluzani / Weak shaking (MMI III) / vertical swinging (up and down) / 5-10 s : Additional strange noise during it.

Dragelji / Weak shaking (MMI III) / rattling, vibrating / 2-5 s

Banja Luka / Light shaking (MMI IV) / 2-5 s : Windows shaking

Bosanska Gradiška / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s

Banja Luka / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s

Banja Luka / Weak shaking (MMI III) / 5-10 s

Banja Luka / Light shaking (MMI IV) / rattling, vibrating / 2-5 s

Prijedor / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s

Banja Luka / Weak shaking (MMI III) / rattling, vibrating / 2-5 s

Banja Luka / Weak shaking (MMI III) / rattling, vibrating / 5-10 s

Banja Luka / Weak shaking (MMI III) / rattling, vibrating / 2-5 s

Kozarac / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s

Banja Luka / Weak shaking (MMI III) / very short

Slatina

Banja luka / Light shaking (MMI IV) / rattling, vibrating / 5-10 s

Laktasi / Weak shaking (MMI III)

What is Intensity and the Mercalli Intensity Scale?

The amount of shaking that occurs on the surface due to an earthquake is called the intensity. It is commonly measured on the so-called Modified Mercalli Intensity Scale (MMI) ranging from 1 (not felt) to 10 (extreme shaking), and given in Roman numerals as I,II,...IX, X, and often displayed with color codes ranging from light blue to dark red.
Earthquake intensity depends mainly on the magnitude and depth of the quake as well as the distance from the epicenter: The further away, the less shaking intensity occurs.
Read more about the MMI scale!

Compare Quake Data

Data for the same earthquake as reported by different agencies

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	Depth	Time GMT 2021-05-6	Epicenter	Agency
2.9	2 km 1.2 mi	19:59:31	BOSNIA AND HERZEGOVINA, Bosnia & Herzegovina	EMSC (European-Mediterranean Seismological Centre)
3.3	6 km 3.7 mi	19:59:30	Croatia-Bosnia And Herzegovina Border Region, Bosnia & Herzegovina 20 km (13 mi) epicenter difference with EMSC	NIEP (National Institute for Research and Development for Earth Physics)
3.2	5.9 km 3.7 mi	19:59:31	4 Km W of Maglajani, Bosnia And Herzegovina, Bosnia & Herzegovina 6.9 km (4.3 mi) epicenter difference with EMSC	USGS (United States Geological Survey)
3.2	2 km 1.2 mi	19:59:00	Banja Luka / Bosnien Und Herzegowina, Bosnia & Herzegovina 1.4 km (0.8 mi) epicenter difference with EMSC	ZAMG (Zentralanstalt für Meteorologie und Geodynamik)

Seismograms

Seismic station: Divcibare, Serbia (DIVS/MN network) | Distance from quake: 235 km / 146 mi | Show on map | Station Info

Seismic station Divcibare, Serbia: 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