Quake Info: Moderate Mag. 3.8 Earthquake - 1.9 Km W of Keilir, Iceland, on Sunday, Feb 28, 2021 at 4:50 pm (GMT +0)

Moderate mag. 3.8 earthquake - 1.9 Km W of Keilir, Iceland, on Sunday, Feb 28, 2021 at 4:50 pm (GMT +0) -

Moderate magnitude 3.8 earthquake at 7 km depth

28 Feb 16:57 UTC: First to report: IMO after 6 minutes.
28 Feb 17:05: Magnitude recalculated from 3.6 to 3.8. Hypocenter depth recalculated from 7.2 to 7.0 km (from 4.5 to 4.3 mi).

Date & time: Feb 28, 2021 16:50:57 UTC -
Local time at epicenter: Sunday, Feb 28, 2021 at 4:50 pm (GMT +0)
Magnitude: 3.8
Depth: 7.0 km
Epicenter latitude / longitude: 63.939°N / 22.21°W

(Iceland)
Antipode: 63.939°S / 157.79°E
Nearest volcano: Krísuvík (6 km / 4 mi)
Nearby towns and cities:
10 km (6 mi) ESE of Vogar (pop: 1,030) --> See nearby quakes!
16 km (10 mi) NE of Grindavik (pop: 2,860) --> See nearby quakes!
19 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!
24 km (15 mi) SW of Kopavogur (pop: 31,700) --> See nearby quakes!
27 km (17 mi) ESE of Sangerdhi (pop: 1,550) --> See nearby quakes!
27 km (17 mi) SW of Reykjavik (pop: 118,900) --> See nearby quakes!
35 km (22 mi) SW of Mosfellsbaer (pop: 8,650) --> See nearby quakes!
41 km (26 mi) WNW of Thorlakshofn (pop: 1,490) --> See nearby quakes!
43 km (27 mi) S of Akranes (pop: 6,610) --> See nearby quakes!

Weather at epicenter at time of quake:
Broken Clouds

2.5°C (36 F), humidity: 93%, wind: 13 m/s (25 kts) from WSW

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) | 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.	Depth	Location	Source
3.8	7 km	1.9 Km W of Keilir, Iceland	IMO
3.6	7 km	ICELAND REGION	EMSC

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User reports for this quake (14)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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Hafnarfjordur (18.6 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / very short (reported through our app)

Hafnarfjordur, Capital Region (17.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s (reported through our app)

Vogar, Sveitarfélagið Vogar, Southern Peninsula (10.1 km WNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s (reported through our app)

Reykjavik (26.5 km NNE of epicenter) [Map] / Weak shaking (MMI III) / both vertical and horizontal swinging / 2-5 s (reported through our app)

111 (26.1 km NE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s (reported through our app)

Reykjanesbaer, Southern Peninsula (15.8 km WNW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s (reported through our app)

Kopavogur, Capital Region (24.8 km NE of epicenter) [Map] / not felt (reported through our app)

Seltjarnarnes, Capital Region (26.1 km NNE of epicenter) [Map] / Weak shaking (MMI III) / vertical swinging (up and down) / 1-2 s

Reikiavik, Reykjavíkurborg, Capital Region (28 km NE of epicenter) [Map] / Weak shaking (MMI III)

Reykjanesbaer, Southern Peninsula (18.5 km WNW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)

Reikiavik, Reykjavíkurborg, Capital Region (26.1 km NNE of epicenter) [Map] / Light shaking (MMI IV)

Reykjanesbaer, Southern Peninsula (18 km WNW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)

Gardur / Very weak shaking (MMI II)

Breiðholt, Reykjavík / Light shaking (MMI IV) / single vertical bump / very short

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