Moderate mag. 4.0 earthquake - 4.8 Km WSW of Fagradalsfjall, Iceland, on Sunday, 7 Mar 2021 2:45 am (GMT +0) -

This quake was likely an aftershock of the 5.0 quake 3.2 km WSW of Fagradalsfjall, Reykjanes peninsula, Iceland, 7 Mar 2021 2:01 am (GMT +0), which had occurred 44 minutes earlier.
Moderate mag. 4.0 earthquake - 4.8 Km WSW of Fagradalsfjall, Iceland, on Sunday, 7 Mar 2021 2:45 am (GMT +0)

Séisme modéré magnitude 4.0 at 5 km depth

7 Mar 02:49 UTC: Premier à signaler: EMSC après 4 minutes.
7 Mar 02:50: Magnitude recalculée de 3.5 à 4.0.
7 Mar 02:54: Maintenant en utilisant une nouvelle source de données: IMO
7 Mar 03:06: Profondeur recalculée de 4.0 à 4.8 km (de 2.5 à 3 mi).
Date & time: 7 Mar 2021 02:45:34 UTC -
Local time at epicenter: dimanche, 7 mars 2021 02:45 (GMT +0)
Magnitude: 4
Profondeur: 4.8 km
Epicenter latitude / longitude: 63.887°N / 22.366°W (Grindavikurbær, Péninsule méridionale, Islande)
Volcan le plus près: Reykjanes (8 km / 5 mi)
Nearby towns and cities:
6 km NNE de Grindavík (pop: 2,860) --> Voir les séismes à proximité!
16 km SE de Reykjanesbaer (pop: 2,010) --> Voir les séismes à proximité!
29 km SO de Garðabær (Capital Region) (pop: 26,800) --> Voir les séismes à proximité!
31 km SO de Garðabær (Capital Region) (pop: 11,400) --> Voir les séismes à proximité!
33 km SO de Kópavogur (Capital Region) (pop: 31,700) --> Voir les séismes à proximité!
36 km SO de Reykjavik (Capital Region) (pop: 118,900) --> Voir les séismes à proximité!
45 km SO de Mosfellsbaer (Capital Region) (pop: 8,650) --> Voir les séismes à proximité!
48 km O de Thorlakshofn (South) (pop: 1,490) --> Voir les séismes à proximité!
50 km SSO de Akranes (West) (pop: 6,610) --> Voir les séismes à proximité!
59 km OSO de Hveragerði (South) (pop: 2,290) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Broken Clouds 3.3°C (38 F), humidity: 93%, wind: 1 m/s (2 kts) from W
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) Plus d'infos
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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.ProfondeurLieuSource
4.04.8 km4.8 Km WSW of Fagradalsfjall, IcelandIMO
4.510 kmICELANDEMSC
4.510 km8 Km ENE of Vogar, IcelandUSGS
4.210 kmIcelandGFZ

User reports for this quake (15)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Garðabær (30.6 km NE of epicenter) [Map] / not felt / 1-2 s : I have nothing felt it (reported through our app)  
Kopavogur, Capital Region (35.3 km NE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short
Reikiavik, Reykjavíkurborg, Capital Region (35.6 km NE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Ásbrú (13.2 km NW of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 2-5 s (reported through our app)
Garðabaer, Capital Region (32.1 km NE of epicenter) [Map] / Weak shaking (MMI III)
Reykjanesbaer, Southern Peninsula (11.7 km NW of epicenter) [Map] / Strong shaking (MMI VI) / both vertical and horizontal swinging / 2-5 s (reported through our app)
Reykjanesbaer, Southern Peninsula (13.3 km NW of epicenter) [Map] / Moderate shaking (MMI V) / complex motion difficult to describe / 5-10 s
Reykjanesbaer, Southern Peninsula (13.4 km NW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Reikiavik, Reykjavíkurborg, Capital Region (35.4 km NE of epicenter) [Map] / Weak shaking (MMI III)
Kopavogur, Capital Region (35 km NE of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 1-2 s (reported through our app)
Sandgerdi (23.2 km NW of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s (reported through our app)
Reykjanesbaer, Southern Peninsula (14 km NW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Reykjanesbaer, Southern Peninsula (12.4 km NW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s (reported through our app)
Reykjavik / Weak shaking (MMI III) / 2-5 s
Garður / Very strong shaking (MMI VII) / both vertical and horizontal swinging / 2-5 s
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