Moderate mag. 3.8 earthquake - 1.2 Km NW of Keilir, Iceland, on Monday, 1 Mar 2021 7:25 am (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.
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Moderate magnitude 3.8 earthquake at 7 km depth
1 Mar 07:33 UTC: First to report: IMO after 8 minutes.
1 Mar 07:37: Magnitude recalculated from 3.4 to 3.8. Hypocenter depth recalculated from 6.2 to 6.5 km (from 3.9 to 4 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards SSE.
1 Mar 07:37: Magnitude recalculated from 3.4 to 3.8. Hypocenter depth recalculated from 6.2 to 6.5 km (from 3.9 to 4 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards SSE.
Date & time: 1 Mar 2021 07:25:21 UTC -
Local time at epicenter: Monday, 1 Mar 2021 7:25 am (GMT +0)
Magnitude: 3.8
Depth: 6.5 km
Epicenter latitude / longitude: 63.94°N / 22.182°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!
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 (27 mi) S of Akranes (pop: 6,610) --> See nearby quakes!
49 km (30 mi) W of Hveragerdi (pop: 2,290) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds
3°C (37 F), humidity: 81%, wind: 9 m/s (17 kts) from SW
Primary data source: IMO (Icelandic Met Office)Broken Clouds
3°C (37 F), humidity: 81%, wind: 9 m/s (17 kts) from SWEstimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 tons of TNT) More info
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.
| Magnitude | Depth | Location | Source |
| 3.8 | 6.5 km | 1.2 Km NW of Keilir, Iceland | IMO |
| 3.4 | 6 km | ICELAND REGION | EMSC |
User reports for this quake (19)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Send your own user report!
Reykjavik / Light shaking (MMI IV) / single lateral shake / very short : In out home in downtown Reykjavik we feel light to violent thumps. | One user found this interesting.
25.9 km NNE of epicenter [Map] / Weak shaking (MMI III) / single lateral shake
25.7 km NNE of epicenter [Map] / Weak shaking (MMI III)
Reijkiavik (27.4 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s (reported through our app)
10.4 km WNW of epicenter [Map] / not felt (reported through our app)
Reykjanesbær (16.6 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 15-20 s (reported through our app)
25.7 km NNE of epicenter [Map] / Weak shaking (MMI III)
17.3 km NE of epicenter [Map] / Moderate shaking (MMI V) / 2-5 s (reported through our app)
10.4 km WNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
21.7 km NE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
28.5 km NE of epicenter [Map] / not felt (reported through our app)
21.7 km NE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
25.8 km NNE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
19.2 km W of epicenter [Map] / Light shaking (MMI IV) / single lateral shake / very short (reported through our app)
Courtyard Marriot by Reykjavik / Light shaking (MMI IV) / both vertical and horizontal swinging / 1-2 s
Hjallabraut Hafnarfjordur / Light shaking (MMI IV) / 1-2 s
Reykjavik, Hlemmur / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Reykjavik / Moderate shaking (MMI V) / single vertical bump
Bríetartún / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
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