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Moderate mag. 4.2 earthquake - 0.7 Km W of Keilir, Iceland, on Sunday, Feb 28, 2021 at 4:29 pm (GMT +0) -

This quake was likely an aftershock of the 5.7 quake 3.0 Km S of Hella, Iceland, Feb 24, 2021 10:05 am (GMT +0), which had occurred 4 days earlier.
Moderate mag. 4.2 earthquake - 0.7 Km W of Keilir, Iceland, on Sunday, Feb 28, 2021 at 4:29 pm (GMT +0) Moderate mag. 4.2 earthquake - 0.7 Km W of Keilir, Iceland, on Sunday, Feb 28, 2021 at 4:29 pm (GMT +0)

Moderate magnitude 4.2 earthquake at 4 km depth

28 Feb 16:37 UTC: First to report: IMO after 7 minutes.
28 Feb 16:45: Magnitude recalculated from 3.8 to 3.9. Hypocenter depth recalculated from 4.6 to 4.1 km (from 2.9 to 2.5 mi). Epicenter location corrected by 1.2 km (0.7 mi) towards SE.
28 Feb 16:49: Magnitude recalculated from 3.9 to 4.4.
28 Feb 16:57: Magnitude recalculated from 4.4 to 4.2.
Date & time: Feb 28, 2021 16:29:56 UTC -
Local time at epicenter: Sunday, Feb 28, 2021 at 4:29 pm (GMT +0)
Magnitude: 4.2
Depth: 4.1 km
Epicenter latitude / longitude: 63.942°N / 22.186°W (Iceland)
Antipode: 63.942°S / 157.814°E
Nearest volcano: Krísuvík (4 km / 2 mi)
Nearby towns and cities:
11 km (7 mi) ESE of Vogar (pop: 1,030) --> See nearby quakes!
17 km (11 mi) NE of Grindavik (pop: 2,860) --> See nearby quakes!
18 km (11 mi) SW of Hafnarfjordur (pop: 26,800) --> See nearby quakes!
21 km (13 mi) SW of Garðabaer (pop: 11,400) --> See nearby quakes!
23 km (14 mi) SW of Kopavogur (pop: 31,700) --> See nearby quakes!
26 km (16 mi) SSW of Reykjavik (pop: 118,900) --> See nearby quakes!
28 km (17 mi) ESE of Sangerdhi (pop: 1,550) --> See nearby quakes!
34 km (21 mi) SW of Mosfellsbaer (pop: 8,650) --> See nearby quakes!
43 km (26 mi) S of Akranes (pop: 6,610) --> See nearby quakes!
49 km (31 mi) W of Hveragerdi (pop: 2,290) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 3.5°C (38 F), humidity: 70%, wind: 16 m/s (32 kts) from SW
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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
4.24.1 km0.7 Km W of Keilir, IcelandIMO
3.85 kmICELAND REGIONEMSC

User reports for this quake (46)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Vogar, Sveitarfélagið Vogar, Southern Peninsula (10.1 km WNW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Kopavogur, Capital Region (22.6 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Reikiavik, Reykjavíkurborg, Capital Region (25.6 km NNE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Reykjanesbaer, Southern Peninsula (19.4 km WNW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Hafnarfjordur, Capital Region (16.9 km NE of epicenter) [Map] / Moderate shaking (MMI V) / single vertical bump / 1-2 s (reported through our app)
Garðabaer, Capital Region (19.2 km NE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (25.2 km NNE of epicenter) [Map] / Moderate shaking (MMI V)
Seltjarnarnes, Capital Region (25.2 km NNE of epicenter) [Map] / Light shaking (MMI IV) / vertical swinging (up and down) / 1-2 s
Reikiavik, Reykjavíkurborg, Capital Region (25.2 km NNE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (26 km NNE of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 2-5 s
Sandgerdi (27.1 km WNW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Vogar, Sveitarfélagið Vogar, Southern Peninsula (10.1 km WNW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Airport Keflavík (22.6 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (26.1 km NE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (25.6 km NNE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (25.7 km NNE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (25.5 km NE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Reykjanesbaer, Southern Peninsula (19 km WNW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Vogar, Sveitarfélagið Vogar, Southern Peninsula (10.1 km WNW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (25.3 km NNE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Reykjanesbaer, Southern Peninsula (18.3 km W of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (26.4 km NNE of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s
Garðabaer, Capital Region (23.4 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s (reported through our app)
Reykjavik (25.6 km NNE of epicenter) [Map] / Light shaking (MMI IV) / vertical swinging (up and down) / 2-5 s (reported through our app)
Kopavogur, Capital Region (22.6 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Reykjanesbaer, Southern Peninsula (19.5 km WNW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (25.5 km NNE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Reykjavík 109 (23.7 km NE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Akranes, West (42.6 km N of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Reykjavík 105 (27 km NNE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Reykjanesbaer, Southern Peninsula (18.3 km W of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s (reported through our app)
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