Moderate mag. 3.8 earthquake - 4.4 Km NW of Fagradalsfjall, Iceland, on Sunday, 7 Mar 2021 12:42 am (GMT +0) -

This quake was likely a foreshock of the 5.0 quake 3.2 km WSW of Fagradalsfjall, Reykjanes peninsula, Iceland, 7 Mar 2021 2:01 am (GMT +0), which followed after 1 hour and 19 minutes.
Moderate mag. 3.8 earthquake - 4.4 Km NW of Fagradalsfjall, Iceland, on Sunday, 7 Mar 2021 12:42 am (GMT +0)

Moderate magnitude 3.8 earthquake at 7 km depth

7 Mar 00:48 UTC: First to report: EMSC after 6 minutes.
7 Mar 00:49: Now using data updates from IMO
7 Mar 00:54: Magnitude recalculated from 4.0 to 3.8. Hypocenter depth recalculated from 5.2 to 6.6 km (from 3.2 to 4.1 mi). Epicenter location corrected by 5.5 km (3.4 mi) towards SE.
Date & time: 7 Mar 2021 00:42:39 UTC -
Local time at epicenter: Sunday, 7 Mar 2021 12:42 am (GMT +0)
Magnitude: 3.8
Depth: 6.6 km
Epicenter latitude / longitude: 63.898°N / 22.255°W (Sveitarfélagið Vogar, Southern Peninsula, Iceland)
Nearest volcano: Krísuvík (8 km / 5 mi)
Nearby towns and cities:
11 km (7 mi) NE of Grindavik (pop: 2,860) --> See nearby quakes!
19 km (12 mi) SE of Reykjanesbaer (pop: 2,010) --> See nearby quakes!
24 km (15 mi) SW of Hafnarfjordur (Capital Region) (pop: 26,800) --> See nearby quakes!
27 km (17 mi) SW of Garðabaer (Capital Region) (pop: 11,400) --> See nearby quakes!
29 km (18 mi) SW of Kopavogur (Capital Region) (pop: 31,700) --> See nearby quakes!
32 km (20 mi) SSW of Reikiavik (Capital Region) (pop: 118,900) --> See nearby quakes!
40 km (25 mi) SW of Mosfellsbaer (Capital Region) (pop: 8,650) --> See nearby quakes!
43 km (27 mi) W of Thorlakshofn (South) (pop: 1,490) --> See nearby quakes!
48 km (30 mi) S of Akranes (West) (pop: 6,610) --> See nearby quakes!
53 km (33 mi) WSW of Hveragerdi (South) (pop: 2,290) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 3.6°C (39 F), humidity: 93%, wind: 1 m/s (2 kts) from SSW
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 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
3.86.6 km4.4 Km NW of Fagradalsfjall, IcelandIMO
4.07 kmICELAND REGIONEMSC

User reports for this quake (50)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
16.9 km WNW of epicenter [Map] / Light shaking (MMI IV) / 2-5 s
16.9 km WNW of epicenter [Map] / Moderate shaking (MMI V) / 2-5 s
Reykjavík (31.8 km NNE of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 2-5 s
22.9 km NE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
31.8 km NE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
18.2 km NW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
31.2 km NNE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Grindavik (11.3 km SW of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / very short (reported through our app)
31 km NNE of epicenter [Map] / Weak shaking (MMI III) / single lateral shake / very short
32.6 km NE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
43.2 km NNE of epicenter [Map] / Weak shaking (MMI III)
98.4 km E of epicenter [Map] / Light shaking (MMI IV) / 1-2 s (reported through our app)
14.9 km NW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
31.6 km NNE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s (reported through our app)
31.4 km NNE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
15.4 km NW of epicenter [Map] / Moderate shaking (MMI V) / both vertical and horizontal swinging / 2-5 s (reported through our app)
17.3 km WNW of epicenter [Map] / Moderate shaking (MMI V) / single lateral shake / very short (reported through our app)
31 km NNE of epicenter [Map] / Light shaking (MMI IV) / 1-2 s (reported through our app)
13.8 km NW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
27.6 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
19.2 km NW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
72.9 km NNE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
30.5 km NE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
24.9 km NNE of epicenter [Map] / Light shaking (MMI IV)
16.8 km WNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
16.8 km WNW of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s (reported through our app)
32.8 km NE of epicenter [Map] / Very weak shaking (MMI II)
Reykjavik 101 / Light shaking (MMI IV) / 1-2 s
Gardabær / Weak shaking (MMI III)
Reykjavík / Moderate shaking (MMI V) / rattling, vibrating / very short
Reykjavik, Hlemmur area / Light shaking (MMI IV) / single vertical bump / 1-2 s
Mosfellsbæ / Light shaking (MMI IV) / rattling, vibrating
Njarðvik / Moderate shaking (MMI V) / both vertical and horizontal swinging / 5-10 s
Gardabær / Weak shaking (MMI III)
Gardur / Light shaking (MMI IV)
Keflavik / Weak shaking (MMI III) / 2-5 s
Laugavegur 151, 101 Reykjavík / Light shaking (MMI IV) / single vertical bump / 2-5 s
Reykjavik / Light shaking (MMI IV)
Hafnarfjordur / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s
Reykjavik / Very weak shaking (MMI II) / 1-2 s
reykjavik / Moderate shaking (MMI V) / vertical swinging (up and down)
Reykjavík 105 - Teigar / Light shaking (MMI IV) / single lateral shake / 2-5 s
reykjavik / Moderate shaking (MMI V)
Kjalarnes / Weak shaking (MMI III) / 1-2 s
Keflavik / Moderate shaking (MMI V)
Reykjavík / Light shaking (MMI IV)
Reykjavik 101 / Light shaking (MMI IV) / 1-2 s
Reykjavík / Moderate shaking (MMI V) / single vertical bump / very short
Reykjavik / Very weak shaking (MMI II)
Reykjavik / Light shaking (MMI IV) / single lateral shake / very short
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