Strong mag. 5.0 earthquake - 3.5 Km WSW of Fagradalsfjall (Iceland) on Monday, July 20, 2020 at 06:23 (GMT) -

This quake was likely an aftershock of the 4.6 quake 0.3 km SW of Fagradalsfjall (Iceland) July, 19 2020 23:36 GMT, which had occurred 7 hours earlier.
Strong mag. 5.0 earthquake - 3.5 Km WSW of Fagradalsfjall (Iceland) on Monday, July 20, 2020 at 06:23 (GMT)

Strong magnitude 5.0 earthquake at 6 km depth

20 Jul 06:35 UTC: First to report: IMO after 12 minutes.
Jul 20 06:35: Magnitude recalculated from 4.2 to 3.8.
Hypocenter depth recalculated from 3.4 to 4.2 km.
Jul 20 06:47: Magnitude recalculated from 3.8 to 4.3.
Hypocenter depth recalculated from 4.2 to 10.0 km.
Jul 20 08:38: Magnitude recalculated from 4.3 to 3.6.
Hypocenter depth recalculated from 10.0 to 4.4 km.
Jul 20 14:26: Magnitude recalculated from 3.6 to 4.3.
Hypocenter depth recalculated from 4.4 to 5.6 km.
Jul 20 14:34: Magnitude recalculated from 4.3 to 5.1.
Jul 20 14:46: Magnitude recalculated from 5.1 to 5.0.
Date & time: Jul 20, 2020 06:23:30 UTC -
Magnitude: 5
Depth: 5.6 km
Epicenter latitude / longitude: 63.887°N / 22.335°W (Grindavikurbær, Southern Peninsula, Iceland)
Antipode: 63.887°S / 157.665°E
Nearest volcano: Reykjanes (10 km / 6 mi)
Nearby towns and cities:
7 km (5 mi) NE of Grindavik (pop: 2,860) --> See nearby quakes!
17 km (10 mi) SE of Reykjanesbaer (pop: 2,010) --> See nearby quakes!
28 km (17 mi) SW of Hafnarfjordur (Capital Region) (pop: 26,800) --> See nearby quakes!
30 km (19 mi) SW of Garðabaer (Capital Region) (pop: 11,400) --> See nearby quakes!
32 km (20 mi) SW of Kopavogur (Capital Region) (pop: 31,700) --> See nearby quakes!
35 km (22 mi) SW of Reykjavik (Capital Region) (pop: 118,900) --> See nearby quakes!
44 km (27 mi) SW of Mosfellsbaer (Capital Region) (pop: 8,650) --> See nearby quakes!
47 km (29 mi) W of Thorlakshofn (South) (pop: 1,490) --> See nearby quakes!
50 km (31 mi) SSW of Akranes (West) (pop: 6,610) --> See nearby quakes!
58 km (36 mi) WSW of Hveragerdi (South) (pop: 2,290) --> See nearby quakes!
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) 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.
Mag.DepthLocationSource
5.05.6 km3.5 km WSW of Fagradalsfjall (Iceland)IMO
4.310 kmIceland RegionEMSC

User reports for this quake (14)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Asbru (15.4 km WNW of epicenter) [Map] / Light shaking (MMI IV)
Reykjanesbaer, Southern Peninsula (14.7 km NW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Kopavogur, Capital Region (33.9 km NE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Seltjarnarnes (34.1 km NNE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Reykjavik / Light shaking (MMI IV)
Tollesbury / Moderate shaking (MMI V) : Turns out it was just my girlfriend farting  
reykjavik / Light shaking (MMI IV)
Keflavik / Light shaking (MMI IV)
Borgarnes / Very weak shaking (MMI II)
Kópavogur / Light shaking (MMI IV) : short shake that lasted maybe 3 seconds  
Asbru / Weak shaking (MMI III)
Asbru / Light shaking (MMI IV)
Keflavik / Weak shaking (MMI III)
Reykjavik / Light shaking (MMI IV)
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