Moderate mag. 3.9 earthquake - 3.3 Km SW of Keilir, Iceland, on Saturday, 27 Feb 2021 8:08 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 3 days earlier.
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Moderate magnitude 3.9 earthquake at 5 km depth
27 Feb 08:17 UTC: First to report: IMO after 8 minutes.
27 Feb 08:57: Hypocenter depth recalculated from 1.1 to 4.5 km (from 0.7 to 2.8 mi).
27 Feb 08:57: Hypocenter depth recalculated from 1.1 to 4.5 km (from 0.7 to 2.8 mi).
Date & time: 27 Feb 2021 08:08:55 UTC -
Local time at epicenter: Saturday, 27 Feb 2021 8:08 am (GMT +0)
Magnitude: 3.9
Depth: 4.5 km
Epicenter latitude / longitude: 63.921°N / 22.223°W
(Iceland)Nearest volcano: Krísuvík (6 km / 4 mi)
Nearby towns and cities:
10 km (6 mi) SE of Vogar (pop: 1,030) --> See nearby quakes!
14 km (9 mi) NE of Grindavik (pop: 2,860) --> See nearby quakes!
21 km (13 mi) SW of Hafnarfjordur (pop: 26,800) --> See nearby quakes!
24 km (15 mi) SW of Garðabaer (pop: 11,400) --> See nearby quakes!
26 km (16 mi) SW of Kopavogur (pop: 31,700) --> See nearby quakes!
27 km (17 mi) ESE of Sangerdhi (pop: 1,550) --> See nearby quakes!
29 km (18 mi) SSW of Reykjavik (pop: 118,900) --> See nearby quakes!
37 km (23 mi) SW of Mosfellsbaer (pop: 8,650) --> See nearby quakes!
42 km (26 mi) W of Thorlakshofn (pop: 1,490) --> See nearby quakes!
45 km (28 mi) S of Akranes (pop: 6,610) --> See nearby quakes!
Weather at epicenter at time of quake:
Light Rain
8°C (46 F), humidity: 93%, wind: 13 m/s (26 kts) from S
Primary data source: IMO (Icelandic Met Office)Light Rain
8°C (46 F), humidity: 93%, wind: 13 m/s (26 kts) from SEstimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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 |
| 3.9 | 4.5 km | 3.3 Km SW of Keilir, Iceland | IMO |
| 3.9 | 4 km | ICELAND REGION | EMSC |
User reports for this quake (6)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
28.1 km NNE of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
28.7 km NNE of epicenter [Map] / Very weak shaking (MMI II) / very short (reported through our app)
17.3 km WNW of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Reykjavik (28.5 km NNE of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / 1-2 s (reported through our app)
Reykjavík (28.1 km NE of epicenter) [Map] / Moderate shaking (MMI V) / 2-5 s (reported through our app)
18.8 km WNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Earlier earthquakes in the same area
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