Strong mag. 5.4 earthquake - Iceland Sea, 33 km northeast of Siglufjordur, Fjallabyggð, Northeast, Iceland, on Saturday, 20 June 2020 at 15:05 (GMT) -

This quake was likely a foreshock of the 6.0 quake Iceland Sea, 27 km west of Grimsey, Akureyrarkaupstaður, Northeast, Iceland, 21 June 2020 19:07 GMT, which followed after 1 day 4 hours.
Strong mag. 5.4 earthquake - Iceland Sea, 33 km northeast of Siglufjordur, Fjallabyggð, Northeast, Iceland, on Saturday, 20 June 2020 at 15:05 (GMT)

Strong magnitude 5.4 earthquake at 10 km depth

20 Jun 15:10 UTC: First to report: GFZ after 5 minutes.
Jun 20 15:28: Magnitude recalculated from 5.2 to 5.4.
Date & time: 20 Jun 2020 15:05:11 UTC -
Magnitude: 5.4
Depth: 10.0 km
Epicenter latitude / longitude: 66.39°N / 18.47°W (Iceland Sea, Iceland)
Nearest volcano: Kolbeinsey Ridge (31 km / 19 mi)
Nearby towns and cities:
26 km (16 mi) SW of Grimsey (pop: 76) --> See nearby quakes!
33 km (20 mi) NE of Siglufjordur (pop: 1,190) --> See nearby quakes!
37 km (23 mi) NNE of Olafsfjordur (pop: 790) --> See nearby quakes!
47 km (29 mi) N of Dalvik (pop: 1,360) --> See nearby quakes!
64 km (40 mi) NW of Norðurþing (pop: 2,230) --> See nearby quakes!
80 km (50 mi) NNW of Akureyri (pop: 17,700) --> See nearby quakes!
89 km (55 mi) NE of Sauðarkrokur (pop: 2,580) --> See nearby quakes!
89 km (55 mi) NW of Laugar (pop: 1000) --> See nearby quakes!
297 km (185 mi) NNE of Reykjavik (pop: 118,900) --> See nearby quakes!
300 km (186 mi) NNE of Kopavogur (pop: 31,700) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) 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.
5.410 kmIceland RegionGFZ
5.42 kmIceland RegionEMSC
5.49.2 km16.9 km NW of Gjögurtá (Iceland)IMO
5.118 kmIceland RegionGeoAu
5.410 km42 km NE of Siglufjörður, IcelandUSGS
5.010 kmIceland RegionBMKG

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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81.2 km SSE of epicenter [Map] / Light shaking (MMI IV)
80.8 km SSE of epicenter [Map] / Moderate shaking (MMI V) : Sitting in a parked car and could feel it shaking, first earthquake experience so cool! (reported through our app)  
Akureyri (79.9 km SSE of epicenter) [Map] / Light shaking (MMI IV)
Dalvík (Iceland, 38 km S of epicenter) : I was in my caravan and thought someone had jumped on the drawbar. (reported through EMSC)  
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