Moderate mag. 4.7 earthquake - 1.6 Km W of Keilir, Iceland, on Sunday, 28 Feb 2021 7:01 pm (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 4 days earlier.
Moderate mag. 4.7 earthquake - 1.6 Km W of Keilir, Iceland, on Sunday, 28 Feb 2021 7:01 pm (GMT +0)

Moderate magnitude 4.7 earthquake at 5 km depth

28 Feb 19:08 UTC: First to report: GFZ after 6 minutes.
28 Feb 19:09: Now using data updates from IMO
... [show all] ...
28 Feb 19:33: Magnitude recalculated from 4.6 to 4.7.
Date & time: 28 Feb 2021 19:01:37 UTC -
Local time at epicenter: Sunday, 28 Feb 2021 7:01 pm (GMT +0)
Magnitude: 4.7
Depth: 5.0 km
Epicenter latitude / longitude: 63.924°N / 22.188°W (Mosfellsbaer, Capital Region, Iceland)
Nearest volcano: Krísuvík (5 km / 3 mi)
Nearby towns and cities:
12 km (7 mi) ESE of Vogar (Southern Peninsula) (pop: 1,030) --> See nearby quakes!
16 km (10 mi) NE of Grindavik (Southern Peninsula) (pop: 2,860) --> See nearby quakes!
20 km (12 mi) SW of Hafnarfjordur (pop: 26,800) --> See nearby quakes!
22 km (14 mi) SW of Garðabaer (pop: 11,400) --> See nearby quakes!
25 km (15 mi) SSW of Kopavogur (pop: 31,700) --> See nearby quakes!
28 km (17 mi) SSW of Reykjavik (pop: 118,900) --> See nearby quakes!
28 km (18 mi) ESE of Sangerdhi (Southern Peninsula) (pop: 1,550) --> See nearby quakes!
36 km (22 mi) SW of Mosfellsbaer (pop: 8,650) --> See nearby quakes!
45 km (28 mi) S of Akranes (West) (pop: 6,610) --> See nearby quakes!
50 km (31 mi) W of Hveragerdi (South) (pop: 2,290) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 3°C (37 F), humidity: 70%, wind: 13 m/s (26 kts) from SW
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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.
MagnitudeDepthLocationSource
4.75 km1.6 Km W of Keilir, IcelandIMO
4.610 kmICELANDEMSC
4.410 kmIcelandGFZ
4.610 km10 Km SW of Hafnarfjörður, IcelandUSGS

User reports for this quake (145)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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27.6 km NNE of epicenter [Map] / Moderate shaking (MMI V) / vertical swinging (up and down) / 2-5 s : 1st floor of downtown hotel. First one with sound of rattling cups and furniture. | 4 users found this interesting. (reported through our app)  
Reykjavík 105 - Teigar / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s : This one lasted a longer time | 2 users found this interesting.  
Reykjavík (28.8 km NE of epicenter) [Map] / Weak shaking (MMI III) : Smal | 2 users found this interesting. (reported through our app)  
Akranes (44 km N of epicenter) [Map] / Weak shaking (MMI III) : All swing at home | One user found this interesting.  
Reykjavik / Strong shaking (MMI VI) / rattling, vibrating / 1-2 s : Dass Scheiße!! | One user found this interesting.  
25.3 km NE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Rambling walls and furniture | One user found this interesting. (reported through our app)  
35.4 km NE of epicenter [Map] / Light shaking (MMI IV) / very short : Very fast | One user found this interesting. (reported through our app)  
Reykjavik / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : rattle | One user found this interesting.  
Arbæ, Reyjavik / Very weak shaking (MMI II) : I was going n bed and feel with my back on the wall was shaking a little | One user found this interesting.  
28.3 km NE of epicenter [Map] / Weak shaking (MMI III) : Lekkie drżenie, Reykjavík 104. | One user found this interesting. (reported through our app)  
Arbæ, Reyjavik / Very weak shaking (MMI II) : I was going n bed and feel with my back on the wall was shaking a little  
Kopavogur / Moderate shaking (MMI V) / single lateral shake / 1-2 s
borgarnes / Light shaking (MMI IV) / rattling, vibrating / very short
Reykjavik / Moderate shaking (MMI V) / vertical swinging (up and down) / 2-5 s
31.3 km NE of epicenter [Map] / Light shaking (MMI IV)
16 km NE of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s
27 km NNE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Suðurgata Hafnarfjordur (19.4 km NE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : Very strange shaking inside my dads house when this happened. Different than past earthquakes  
Seltjarnanes / Light shaking (MMI IV)
Reykjavik (28.5 km NE of epicenter) [Map] / Moderate shaking (MMI V)
Reykjavik (25.4 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / very short
Akranes / Weak shaking (MMI III)
26.2 km NE of epicenter [Map] / Light shaking (MMI IV) / 5-10 s : Table I was sitting next to was shaking (reported through our app)  
Mosfelsbaer / Weak shaking (MMI III)
reykjavik / Moderate shaking (MMI V)
26.9 km NNE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Kópavogur (26 km NE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : Cat noticed the tremor first.  
Reykjavik 101 / Light shaking (MMI IV) / very short
Midtun / Light shaking (MMI IV) / very short
26.2 km NE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
19.5 km NE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Smaralind (26.1 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
15.3 km WNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Kopavogur / Moderate shaking (MMI V) / 2-5 s
Reykjavík / Weak shaking (MMI III) / single lateral shake / 1-2 s
Hjallabraut 43 / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
27.4 km NNE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
Akranes / Weak shaking (MMI III)
26.9 km NNE of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
18.8 km WNW of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s
29.4 km NNE of epicenter [Map] / Very strong shaking (MMI VII) (reported through our app)
Kopavogur / Moderate shaking (MMI V) / single lateral shake / 1-2 s
19.7 km WNW of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s (reported through our app)
Reykjavik / Light shaking (MMI IV)
27.3 km NNE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
21.1 km NE of epicenter [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s (reported through our app)
27.4 km NNE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
22.9 km NE of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Kópavogur (24.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
Breiðholt, Reykjavík (27.1 km NE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s (reported through our app)
27.8 km NNE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
27.2 km NNE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Hjallabraut 43 / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
25.6 km NE of epicenter [Map] / Moderate shaking (MMI V) / complex motion difficult to describe / 5-10 s
11 km WNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Kópavogur / Light shaking (MMI IV)
26.9 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
28.4 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
15.3 km WNW of epicenter [Map] / Moderate shaking (MMI V) / 2-5 s (reported through our app)
15.9 km NE of epicenter [Map] / Strong shaking (MMI VI) / both vertical and horizontal swinging / 1-2 s
Grandi / Moderate shaking (MMI V)
Reykjavik / Moderate shaking (MMI V) / 5-10 s
26.1 km NNE of epicenter [Map] / Light shaking (MMI IV)
Reykjavik / Strong shaking (MMI VI)
Kopavogur / Light shaking (MMI IV)
27.5 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
26.6 km NE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
Keflavik / Light shaking (MMI IV)
Reykjavik, Hrafnhólar (27.6 km NE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
19.3 km NE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s (reported through our app)
Reykjavik Downtown / Weak shaking (MMI III)
Reykjavik 101 / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
25.5 km NE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
29.7 km NE of epicenter [Map] / not felt (reported through our app)
Kopavogur / Moderate shaking (MMI V) / 2-5 s
16 km NE of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s
Reykjavík (30.5 km NE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
19.6 km WNW of epicenter [Map] / Weak shaking (MMI III) / 2-5 s (reported through our app)
Kopavogur / Weak shaking (MMI III) / very short
18.4 km WNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
18.7 km WNW of epicenter [Map] / Light shaking (MMI IV) / 2-5 s (reported through our app)
Kopavogur Engihjalli street / Light shaking (MMI IV) / single lateral shake / 1-2 s
Akranes / Light shaking (MMI IV) / 2-5 s
27.4 km NNE of epicenter [Map] / Light shaking (MMI IV)
reykjavik / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
18.7 km WNW of epicenter [Map] / Moderate shaking (MMI V)
28.4 km NE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 20-30 s
20 km WNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
27.1 km NNE of epicenter [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s
20.3 km WNW of epicenter [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s (reported through our app)
29.5 km NNE of epicenter [Map] / Moderate shaking (MMI V) / 2-5 s (reported through our app)
Hólmaþing / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
19.6 km WNW of epicenter [Map] / Moderate shaking (MMI V) / single lateral shake / 1-2 s (reported through our app)
17.3 km NE of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s (reported through our app)
Reykjavík / Weak shaking (MMI III)
19.4 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Reykjavík 101 / Light shaking (MMI IV) / single lateral shake / very short
Reykjavik (27.4 km NNE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s (reported through our app)
Reykjavík (27.3 km NE of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 1-2 s (reported through our app)
15.9 km NE of epicenter [Map] / Light shaking (MMI IV) / 5-10 s
Reykjavin 104 / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
16.6 km NE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
27.5 km NE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
22.7 km NE of epicenter [Map] / Light shaking (MMI IV)
Árbær (29.3 km NE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s (reported through our app)
27 km NNE of epicenter [Map] / Light shaking (MMI IV)
Reykjavík / Moderate shaking (MMI V) / both vertical and horizontal swinging / 2-5 s
18.6 km NE of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s (reported through our app)
Sandgerdi (27.9 km WNW of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s (reported through our app)
26.9 km NNE of epicenter [Map] / Moderate shaking (MMI V)
18.7 km WNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Vogar (11.1 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / both vertical and horizontal swinging / 2-5 s (reported through our app)
11 km NW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Reykjavik / Moderate shaking (MMI V) / 2-5 s
Reykjavik / Light shaking (MMI IV)
27.8 km NE of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
Eyrarbakki / Weak shaking (MMI III) / single lateral shake / 1-2 s
27.7 km NNE of epicenter [Map] / Light shaking (MMI IV) / 1-2 s
27 km NNE of epicenter [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s
17.2 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Fell Breiðholt (26.5 km NE of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s (reported through our app)
Reykjavik / Light shaking (MMI IV)
Reykjavík 105 / Light shaking (MMI IV)
18.7 km WNW of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
Keflavik / Light shaking (MMI IV) / 1-2 s
24.4 km NE of epicenter [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
19.4 km WNW of epicenter [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s (reported through our app)
Reykjavik (255.6 km NNE of epicenter) [Map] / Strong shaking (MMI VI)
20.2 km WNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Reykjavik / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s
27.9 km NNE of epicenter [Map] / Light shaking (MMI IV)
28.5 km NE of epicenter [Map] / Light shaking (MMI IV) / 2-5 s (reported through our app)
Reykjavik / Light shaking (MMI IV)
Keflavik / Weak shaking (MMI III) / 2-5 s
26.7 km NNE of epicenter [Map] / Light shaking (MMI IV) / 2-5 s (reported through our app)
31.3 km NE of epicenter [Map] / Light shaking (MMI IV)
111 (26.6 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s (reported through our app)
28.9 km NE of epicenter [Map] / Severe shaking (MMI VIII)
11.5 km WNW of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s (reported through our app)
19.1 km WNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Reykjavik / Weak shaking (MMI III) / very short
27 km NNE of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
28.3 km NE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
25.9 km NNE of epicenter [Map] / Severe shaking (MMI VIII) (reported through our app)
25.7 km NE of epicenter [Map] / Light shaking (MMI IV) / 2-5 s (reported through our app)
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