Moderate mag. 3.7 earthquake - 1.7 Km SW of Keilir, Iceland, on Monday, 1 Mar 2021 12:59 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 5 days earlier.
Moderate mag. 3.7 earthquake - 1.7 Km SW of Keilir, Iceland, on Monday, 1 Mar 2021 12:59 pm (GMT +0)

Moderate magnitude 3.7 earthquake at 5 km depth

1 Mar 13:09 UTC: First to report: IMO after 10 minutes.
1 Mar 13:09: Magnitude recalculated from 3.3 to 3.8. Hypocenter depth recalculated from 3.4 to 4.2 km (from 2.1 to 2.6 mi). Epicenter location corrected by 1.7 km (1 mi) towards ENE.
1 Mar 13:13: Magnitude recalculated from 3.8 to 3.7. Hypocenter depth recalculated from 4.2 to 4.7 km (from 2.6 to 2.9 mi). Epicenter location corrected by 1.7 km (1 mi) towards SW.
Date & time: 1 Mar 2021 12:59:23 UTC -
Local time at epicenter: Monday, 1 Mar 2021 12:59 pm (GMT +0)
Magnitude: 3.7
Depth: 4.7 km
Epicenter latitude / longitude: 63.931°N / 22.197°W (Iceland)
Nearest volcano: Krísuvík (4 km / 2 mi)
Nearby towns and cities:
11 km (7 mi) ESE of Vogar (pop: 1,030) --> See nearby quakes!
16 km (10 mi) NE of Grindavik (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!
24 km (15 mi) SW of Kopavogur (pop: 31,700) --> See nearby quakes!
27 km (17 mi) SSW of Reykjavik (pop: 118,900) --> See nearby quakes!
28 km (17 mi) ESE of Sangerdhi (pop: 1,550) --> See nearby quakes!
36 km (22 mi) SW of Mosfellsbaer (pop: 8,650) --> See nearby quakes!
41 km (25 mi) WNW of Thorlakshofn (pop: 1,490) --> See nearby quakes!
44 km (27 mi) S of Akranes (pop: 6,610) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 4.5°C (40 F), humidity: 65%, wind: 8 m/s (15 kts) from SW
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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
3.74.7 km1.7 Km SW of Keilir, IcelandIMO
3.33 kmICELAND REGIONEMSC

User reports for this quake (16)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Reykjavik kringla / Moderate shaking (MMI V) : Sounded like something hit the building I'm in | One user found this interesting.  
Reykjavík (27.7 km NE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short
Reykjavik, Breidholt, 2nd floor (26.6 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s (reported through our app)
Reykjavik (26.3 km NE of epicenter) [Map] / Very weak shaking (MMI II) / vertical swinging (up and down) / 2-5 s (reported through our app)
17.2 km NE of epicenter [Map] / not felt (reported through our app)
24.2 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Sandgerdi (27.1 km WNW of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s (reported through our app)
28 km NE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
24.8 km NE of epicenter [Map] / Weak shaking (MMI III) / single vertical bump / 2-5 s (reported through our app)
Reykjavík 105 (27.7 km NNE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Kópavogur (26.2 km NE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
20.2 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Reykjanesbaer / Moderate shaking (MMI V) / 1-2 s
Seltjarnarnes / Very weak shaking (MMI II) / rattling, vibrating / very short
Reykjavík 101 / Light shaking (MMI IV) / very short
Kópavogur / Light shaking (MMI IV) / 1-2 s
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