Moderate mag. 4.6 earthquake - 2.4 Km WSW of Fagradalsfjall (Iceland) on Monday, July 20, 2020 at 05:46 (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 6 hours earlier.
Moderate mag. 4.6 earthquake - 2.4 Km WSW of Fagradalsfjall (Iceland) on Monday, July 20, 2020 at 05:46 (GMT)

Moderate magnitude 4.6 earthquake at 6 km depth

20 Jul 05:58 UTC: First to report: IMO after 12 minutes.
Jul 20 06:02: Magnitude recalculated from 3.9 to 4.0.
Hypocenter depth recalculated from 5.8 to 11.1 km.
Jul 20 06:06: Magnitude recalculated from 4.0 to 4.6.
Hypocenter depth recalculated from 11.1 to 5.8 km.
Date & time: Jul 20, 2020 05:46:27 UTC
Magnitude: 4.6
Depth: 5.8 km
Epicenter latitude / longitude: 63.896°N / 22.322°W (Grindavikurbær, Southern Peninsula, Iceland)
Antipode: 63.896°S / 157.678°E
Nearest volcano: Reykjanes (9 km / 6 mi)
Nearby towns and cities:
9 km (5 mi) NE of Grindavik (pop: 2,860) --> See nearby quakes!
16 km (10 mi) SE of Reykjanesbær (Penisola meridionale) (pop: 2,010) --> See nearby quakes!
27 km (17 mi) SW of Hafnarfjordur (Capital Region) (pop: 26,800) --> See nearby quakes!
29 km (18 mi) SW of Garðabaer (Capital Region) (pop: 11,400) --> See nearby quakes!
31 km (19 mi) SW of Kopavogur (Capital Region) (pop: 31,700) --> See nearby quakes!
34 km (21 mi) SW of Reykjavik (Capital Region) (pop: 118,900) --> See nearby quakes!
43 km (27 mi) SW of Mosfellsbaer (Capital Region) (pop: 8,650) --> See nearby quakes!
46 km (29 mi) W of Thorlakshofn (South) (pop: 1,490) --> See nearby quakes!
49 km (30 mi) SSW of Akranes (West) (pop: 6,610) --> See nearby quakes!
57 km (35 mi) WSW of Hveragerdi (South) (pop: 2,290) --> See nearby quakes!
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) | about seismic energy
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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
4.65.8 km2.4 km WSW of Fagradalsfjall (Iceland)IMO
3.96 kmIceland RegionEMSC
4.210 kmIcelandUSGS

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Reykjanesbaer, Southern Peninsula (15.9 km NW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Seltjarnarnes (32.9 km NNE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Reykjanesbaer, Southern Peninsula (14.5 km NW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Krummahólar / Moderate shaking (MMI V) : I was awake, and this one felt really weird, like a sudden short 'explosive' wave rather than some rumbling. This is while living in Hólar on a 6th floor, I literally felt a sudden wave that cracked first the window (facing to Rvk) and a fraction afterwa  
Reykjavikp / Very weak shaking (MMI II)
Reykjavik / Light shaking (MMI IV)
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