Moderate mag. 4.8 earthquake - 3.7 Km N of Krýsuvík, Iceland, on Wednesday, 24 Feb 2021 12:37 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 2 hours and 32 minutes earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Iceland| Capital Region | Southern Peninsula | South | West

Moderate magnitude 4.8 earthquake at 2 km depth
24 Feb 12:42 UTC: First to report: IMO after 5 minutes.
24 Feb 12:49: Magnitude recalculated from 4.7 to 4.9. Hypocenter depth recalculated from 5.6 to 1.1 km (from 3.5 to 0.7 mi). Epicenter location corrected by 29 km (18 mi) towards WSW.
24 Feb 13:17: Magnitude recalculated from 5.0 to 4.8.
24 Feb 12:49: Magnitude recalculated from 4.7 to 4.9. Hypocenter depth recalculated from 5.6 to 1.1 km (from 3.5 to 0.7 mi). Epicenter location corrected by 29 km (18 mi) towards WSW.
24 Feb 13:17: Magnitude recalculated from 5.0 to 4.8.
Date & time: 24 Feb 2021 12:37:30 UTC -
Local time at epicenter: Wednesday, 24 Feb 2021 12:37 pm (GMT +0)
Magnitude: 4.8
Depth: 2.4 km
Epicenter latitude / longitude: 63.919°N / 21.973°W

Nearest volcano: Krísuvík (1 km / 1 mi)
Nearby towns and cities:
17 km (10 mi) S of Hafnarfjordur (pop: 26,800) --> See nearby quakes!
19 km (12 mi) S of Garðabaer (pop: 11,400) --> See nearby quakes!
22 km (13 mi) S of Kopavogur (pop: 31,700) --> See nearby quakes!
24 km (15 mi) S of Reykjavik (pop: 118,900) --> See nearby quakes!
25 km (15 mi) ENE of Grindavik (pop: 2,860) --> See nearby quakes!
30 km (18 mi) WNW of Thorlakshofn (pop: 1,490) --> See nearby quakes!
30 km (19 mi) ESE of Reykjanesbaer (pop: 2,010) --> See nearby quakes!
31 km (19 mi) SSW of Mosfellsbaer (pop: 8,650) --> See nearby quakes!
39 km (25 mi) WSW of Hveragerdi (pop: 2,290) --> See nearby quakes!
45 km (28 mi) S of Akranes (pop: 6,610) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
4°C (39 F), humidity: 81%, wind: 3 m/s (5 kts) from NE
Primary data source: IMO (Icelandic Met Office)Clear Sky

Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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 |
4.8 | 2.4 km | 3.7 Km N of Krýsuvík, Iceland | IMO |
4.6 | 10 km | Iceland | GFZ |
4.6 | 10 km | ICELAND | EMSC |
4.6 | 10 km | 5 Km E of Garðabær, Iceland | USGS |
User reports for this quake (28)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Reykjavik / Moderate shaking (MMI V) / very short : Sound and then and abrupt movement of the building. Just like if the building had been impacted by something. Just one bump. | 4 users found this interesting.
23.7 km N of epicenter [Map] / Strong shaking (MMI VI) / horizontal (sideways) swinging / 2-5 s : Was having lunch and the dining room was shaking. Table, plates and cutlery, everything. Very unnerving | One user found this interesting.
Breidholt / Moderate shaking (MMI V) / 2-5 s : My cat was scared :/ | One user found this interesting.
Breidholt / Moderate shaking (MMI V) / 2-5 s : My cat was scared :/ | One user found this interesting.
Mosfellsbaer (25.4 km N of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
24 km N of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Gri (24.2 km WSW of epicenter) [Map] / Strong shaking (MMI VI)
Szczecin (25.1 km N of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 1-2 s
23.9 km N of epicenter [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s (reported through our app)
Reykjavík (21.9 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
44.8 km N of epicenter [Map] / Moderate shaking (MMI V)
24 km N of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
22.5 km NNE of epicenter [Map] / Light shaking (MMI IV) / vertical swinging (up and down) / 2-5 s
Kópavogur (22.4 km NNE of epicenter) [Map] / Moderate shaking (MMI V) / 2-5 s (reported through our app)
24.5 km N of epicenter [Map] / Strong shaking (MMI VI)
20.7 km N of epicenter [Map] / Moderate shaking (MMI V)
37.7 km WNW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
18.4 km NNE of epicenter [Map] / Strong shaking (MMI VI)
44.6 km N of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s (reported through our app)
24.3 km NNE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
Reykjavik / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Fossvogur / Very strong shaking (MMI VII) / both vertical and horizontal swinging / 2-5 s
reykjavik / Strong shaking (MMI VI) / both vertical and horizontal swinging / 2-5 s
Reykjavík 105 - Teigar / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Reykjavík / Strong shaking (MMI VI) / horizontal (sideways) swinging / 1-2 s
Reykjavík / Moderate shaking (MMI V)
Bolholt / Very strong shaking (MMI VII) / 2-5 s
kopavogur / Moderate shaking (MMI V)
Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 21 Jun 2000 00:51| 6.5 |10km / 6.2mi|21 years ago|60km / 37mi| Grimsnes- og Grafningshreppur, South, 58 km E of Reykjavik, Iceland
- 17 Jun 2000 15:40| 6.5 |10km / 6.2mi|21 years ago|73km / 45mi| Rangarþing Ytra, South, 71 km E of Reykjavik, Iceland
- 29 May 2008 15:46| 6.3 |9km / 5.6mi|13 years ago|48km / 30mi| 8 km N of Selfoss, Sveitarfélagið Arborg, South, Iceland
- 23 Jul 1929 18:43| 6.2 |10km / 6.2mi|92 years ago|21km / 13mi| 2.7 km SE of Kopavogur, Kopavogsbær, Capital Region, Iceland
- 25 May 1987 11:31| 6.0 |7.6km / 4.7mi|34 years ago|110km / 68mi| Rangarþing Eystra, South, 110 km E of Reykjavik, Iceland
- 05 Dec 1968 09:44| 6.0 |10km / 6.2mi|52 years ago|1km / 1mi| 15 km S of Hafnarfjordur, Hafnarfjarðarkaupstaður, Capital Region, Iceland
- 24 Feb 2021 10:05| 5.7 |1.1km / 0.7mi|8 weeks ago|11km / 7mi| 3.0 Km S of Hella, Iceland
- 20 Oct 2020 13:43| 5.6 |3.3km / 2.1mi|26 weeks ago|9km / 5mi| 3.9 Km WNW of Krýsuvík, Iceland
- 20 Jul 2020 06:23| 5.0 |5.6km / 3.5mi|39 weeks ago|18km / 11mi| 3.5 Km WSW of Fagradalsfjall (Iceland)
- 26 Aug 2020 16:15| 4.9 |3.5km / 2.2mi|34 weeks ago|19km / 12mi| 4.6 Km WSW of Fagradalsfjall (Iceland)
Hint: Click on Date/Time to show latest first
Show all