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.
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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
28 Feb 19:33: Magnitude recalculated from 4.6 to 4.7.
28 Feb 19:09: Now using data updates from IMO
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

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)Broken Clouds

Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) More info
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.
Magnitude | Depth | Location | Source |
4.7 | 5 km | 1.6 Km W of Keilir, Iceland | IMO |
4.6 | 10 km | ICELAND | EMSC |
4.4 | 10 km | Iceland | GFZ |
4.6 | 10 km | 10 Km SW of Hafnarfjörður, Iceland | USGS |
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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