Light mag. 3.6 earthquake - 3.2 Km N of Grindavík, Iceland, on Sunday, 7 Mar 2021 2:22 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 21 minutes earlier.
Light mag. 3.6 earthquake - 3.2 Km N of Grindavík, Iceland, on Sunday, 7 Mar 2021 2:22 am (GMT +0)

Light magnitude 3.6 earthquake at 3 km depth

7 Mar 02:27 UTC: First to report: EMSC after 5 minutes.
7 Mar 02:30: Now using data updates from IMO
7 Mar 02:35: Magnitude recalculated from 3.8 to 3.5. Hypocenter depth recalculated from 6.6 to 3.9 km (from 4.1 to 2.4 mi). Epicenter location corrected by 6.5 km (4 mi) towards WSW.
7 Mar 02:38: Magnitude recalculated from 3.5 to 3.6. Hypocenter depth recalculated from 3.9 to 3.4 km (from 2.4 to 2.1 mi).
Date & time: 7 Mar 2021 02:22:18 UTC -
Local time at epicenter: Sunday, 7 Mar 2021 2:22 am (GMT +0)
Magnitude: 3.6
Depth: 3.4 km
Epicenter latitude / longitude: 63.868°N / 22.424°W (Grindavikurbær, Southern Peninsula, Iceland)
Nearest volcano: Reykjanes (10 km / 6 mi)
Nearby towns and cities:
3 km (2 mi) NNE of Grindavik (pop: 2,860) --> See nearby quakes!
16 km (10 mi) SSE of Reykjanesbaer (pop: 2,010) --> See nearby quakes!
32 km (20 mi) SW of Hafnarfjordur (Capital Region) (pop: 26,800) --> See nearby quakes!
35 km (22 mi) SW of Garðabaer (Capital Region) (pop: 11,400) --> See nearby quakes!
37 km (23 mi) SW of Kopavogur (Capital Region) (pop: 31,700) --> See nearby quakes!
39 km (24 mi) SW of Reikiavik (Capital Region) (pop: 118,900) --> See nearby quakes!
48 km (30 mi) SW of Mosfellsbaer (Capital Region) (pop: 8,650) --> See nearby quakes!
51 km (32 mi) W of Thorlakshofn (South) (pop: 1,490) --> See nearby quakes!
53 km (33 mi) SSW of Akranes (West) (pop: 6,610) --> See nearby quakes!
62 km (39 mi) WSW of Hveragerdi (South) (pop: 2,290) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 3.6°C (39 F), humidity: 93%, wind: 2 m/s (3 kts) from W
Primary data source: IMO (Icelandic Met Office)
Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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.
Mag.DepthLocationSource
3.63.4 km3.2 Km N of Grindavík, IcelandIMO
3.54 kmICELAND REGIONEMSC

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
16.8 km NNW of epicenter [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 1-2 s (reported through our app)
13.3 km NNW of epicenter [Map] / Moderate shaking (MMI V) / 2-5 s
40.9 km NE of epicenter [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s (reported through our app)
Reykjavik (38.7 km NE of epicenter) [Map] / Weak shaking (MMI III)
Ásbrú (13.3 km NNW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s (reported through our app)
16.8 km NNW of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s (reported through our app)
Keflavik (15.8 km NNW of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s (reported through our app)
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