Moderate mag. 4.6 earthquake - 3.2 Km W of Fagradalsfjall, Iceland, on Wednesday, 24 Feb 2021 10:17 am (GMT +0) -

This quake was likely an aftershock of the 5.7 quake 3.0 Km S of Hella, Iceland, 24 Feb 2021 10:05 am (GMT +0), which had occurred 12 minutes earlier.
Moderate mag. 4.6 earthquake - 3.2 Km W of Fagradalsfjall, Iceland, on Wednesday, 24 Feb 2021 10:17 am (GMT +0)

Moderate magnitude 4.6 earthquake at 5 km depth

24 Feb 10:24 UTC: First to report: GFZ after 6 minutes.
24 Feb 10:29: Now using data updates from IMO
24 Feb 11:01: Magnitude recalculated from 4.9 to 4.6. Hypocenter depth recalculated from 5.1 to 4.9 km (from 3.2 to 3 mi). Epicenter location corrected by 1.3 km (0.8 mi) towards SE.
Date & time: 24 Feb 2021 10:17:53 UTC -
Local time at epicenter: Wednesday, 24 Feb 2021 10:17 am (GMT +0)
Magnitude: 4.6
Depth: 4.9 km
Epicenter latitude / longitude: 63.896°N / 22.322°W (Hafnarfjarðarkaupstaður, Capital Region, Iceland)
Nearest volcano: Reykjanes (9 km / 6 mi)
Nearby towns and cities:
9 km (5 mi) NE of Grindavik (Southern Peninsula) (pop: 2,860) --> See nearby quakes!
16 km (10 mi) SE of Reykjanesbaer (Southern Peninsula) (pop: 2,010) --> See nearby quakes!
27 km (17 mi) SW of Hafnarfjordur (pop: 26,800) --> See nearby quakes!
29 km (18 mi) SW of Garðabaer (pop: 11,400) --> See nearby quakes!
31 km (19 mi) SW of Kopavogur (pop: 31,700) --> See nearby quakes!
34 km (21 mi) SW of Reykjavik (pop: 118,900) --> See nearby quakes!
43 km (27 mi) SW of Mosfellsbaer (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!
Weather at epicenter at time of quake:
Broken Clouds 1.9°C (35 F), humidity: 93%, wind: 5 m/s (9 kts) from NNE
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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.
4.64.9 km3.2 Km W of Fagradalsfjall, IcelandIMO
4.710 kmIcelandGFZ
4.810 km7 Km ENE of Vogar, IcelandUSGS
5.35.6 kmIceland RegionGeoAu

User reports for this quake (13)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Hafnarfjordur, Iceland (21.7 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : I was sleeping and awoke to my bed shaking and Windows vibrating on the upper floor of my home | 2 users found this interesting. (reported through our app)  
Kopavogur (30.8 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : I've said 'light' but it was on the 'moderate' side of light! Not as strong as yesterday's bigger ones (up to 5.7) but still nerve wrecking.  
25 km NE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
312.8 km NNE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
33.6 km NE of epicenter [Map] / Very weak shaking (MMI II) / single lateral shake / 2-5 s
35.5 km NE of epicenter [Map] / Very strong shaking (MMI VII) (reported through our app)
32.7 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
27.7 km NE of epicenter [Map] / Very weak shaking (MMI II) / both vertical and horizontal swinging / 2-5 s (reported through our app)
Vogar (9.9 km NNW of epicenter) [Map] / Strong shaking (MMI VI) / 5-10 s (reported through our app)
16.6 km NW of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
33.9 km NE of epicenter [Map] / Light shaking (MMI IV) / 10-15 s
Reykjavik (33 km NNE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Reykjavík 105 / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
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