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Strong mag. 5.0 earthquake - 3.1 Km SSW of Fagradalsfjall, Iceland, on Friday, Mar 12, 2021 at 7:43 am (GMT +0) -

This quake was likely an aftershock of the 5.1 quake 10.4 Km ESE of Grindavík, Iceland, Mar 10, 2021 3:14 am (GMT +0), which had occurred 2 days earlier.
Strong mag. 5.0 earthquake - 3.1 Km SSW of Fagradalsfjall, Iceland, on Friday, Mar 12, 2021 at 7:43 am (GMT +0) Strong mag. 5.0 earthquake - 3.1 Km SSW of Fagradalsfjall, Iceland, on Friday, Mar 12, 2021 at 7:43 am (GMT +0)

Strong magnitude 5.0 earthquake at 4 km depth

12 Mar 07:50 UTC: First to report: IMO after 7 minutes.
12 Mar 08:10: Magnitude recalculated from 4.2 to 3.8. Hypocenter depth recalculated from 3.8 to 4.3 km (from 2.4 to 2.7 mi). Epicenter location corrected by 2.2 km (1.4 mi) towards NNE.
... [show all] ...
12 Mar 17:30: Hypocenter depth recalculated from 3.4 to 3.7 km (from 2.1 to 2.3 mi).
Date & time: Mar 12, 2021 07:43:02 UTC -
Local time at epicenter: Friday, Mar 12, 2021 at 7:43 am (GMT +0)
Magnitude: 5
Depth: 3.7 km
Epicenter latitude / longitude: 63.876°N / 22.297°W (Iceland)
Antipode: 63.876°S / 157.703°E
Nearest volcano: Fagradalsfjall (3 km / 2 mi)
Nearby towns and cities:
8 km (5 mi) ENE of Grindavik (pop: 2,860) --> See nearby quakes!
19 km (12 mi) SE of Reykjanesbær (pop: 2,010) --> See nearby quakes!
28 km (17 mi) SW of Hafnarfjordur (pop: 26,800) --> See nearby quakes!
30 km (19 mi) SW of Garðabaer (pop: 11,400) --> See nearby quakes!
32 km (20 mi) SW of Kopavogur (pop: 31,700) --> See nearby quakes!
35 km (22 mi) SW of Reykjavik (pop: 118,900) --> See nearby quakes!
43 km (27 mi) SW of Mosfellsbaer (pop: 8,650) --> See nearby quakes!
45 km (28 mi) W of Thorlakshofn (pop: 1,490) --> See nearby quakes!
51 km (32 mi) SSW of Akranes (pop: 6,610) --> See nearby quakes!
56 km (35 mi) WSW of Hveragerdi (pop: 2,290) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 1.5°C (35 F), humidity: 80%, wind: 12 m/s (23 kts) from NNE
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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
5.03.7 km3.1 Km SSW of Fagradalsfjall, IcelandIMO

User reports for this quake (16)

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93 km E of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
283.4 km NE of epicenter [Map] / not felt : Akureyri (reported through our app)  
Sandgerdi / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Kópavogur / Moderate shaking (MMI V) / single vertical bump / 1-2 s
12.5 km NNW of epicenter [Map] / Moderate shaking (MMI V) / both vertical and horizontal swinging / 5-10 s (reported through our app)
Reykjavik / Light shaking (MMI IV)
Ásbrú, Reykjanes Peninsula (16.6 km NW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s (reported through our app)
16.6 km NW of epicenter [Map] / Light shaking (MMI IV) / 1-2 s
28.9 km NE of epicenter [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Reykjanesbaer / Moderate shaking (MMI V) / both vertical and horizontal swinging / 2-5 s
reykjavik / Moderate shaking (MMI V) / vertical swinging (up and down) / 5-10 s
93 km E of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
18.3 km NW of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s (reported through our app)
Keflavik / Light shaking (MMI IV) / 2-5 s
15.1 km NW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Njarðvík / Light shaking (MMI IV) / rattling, vibrating
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