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Mag. 3.7 earthquake - Iceland: 2.5 Km NNW of Grindavík on Friday, Nov 24, 2023, at 12:25 pm (Reykjavik time) -

This quake was likely an aftershock of the 5.0 quake Iceland: 1.0 Km NE of Grindavík Nov 10, 2023 06:00 pm (Reykjavik time), which had occurred 14 days earlier.

A moderate magnitude 3.7 earthquake hit 41 km (26 mi) away from Reykjavik, Capital Region,  Iceland, around noon of Friday, Nov 24, 2023 at 12.25 pm local time (Atlantic/Reykjavik GMT +0). The quake had a very shallow depth of 1.1 km (0.7 mi) and was not felt (or at least not reported so).

Mag. 3.7 earthquake - Iceland: 2.5 Km NNW of Grindavík on Friday, Nov 24, 2023, at 12:25 pm (Reykjavik time) Mag. 3.7 earthquake - Iceland: 2.5 Km NNW of Grindavík on Friday, Nov 24, 2023, at 12:25 pm (Reykjavik time)

Moderate magnitude 3.7 earthquake at 1 km depth

24 Nov 12:37 UTC: First to report: IMO after 12 minutes.

Earthquake details

Date & timeNov 24, 2023 12:25:18 UTC -
Local time at epicenterFriday, Nov 24, 2023, at 12:25 pm (Atlantic/Reykjavik GMT +0)
StatusPreliminary (automatic detection)
Magnitude3.7
Depth1.1 km
Epicenter latitude / longitude63.86°N / 22.46°W Grindavikurbær, Southern Peninsula, Iceland
Seismic antipode63.86°S / 157.54°E
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceIMO (Icelandic Met Office)
Nearest volcanoReykjanes (5 km / 3 mi)
Weather at epicenter at time of quakeOvercast Clouds 2.1°C (36 F), humidity: 87%, wind: 8 m/s (16 kts) from SE
Estimated seismic energy released2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 tons of TNT) | about seismic energy
Interactive map
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Nearby places

The closest larger town where the quake might have been felt is Reykjavik, the capital of  Iceland with 120,000 inhabitants, in 41 km (26 mi) distance northeast of the epicenter. People likely experienced very weak shaking there. Several smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking.
The following table shows some of the places that might have been affected (or not) by the shaking.
Distance Place Max. shaking intensity(*) Region Country
3 km (2 mi)
SE of epicenter
Grindavik
(pop: 2,860)
V: Moderate
Grindavikurbær, Southern Peninsula
16 km (10 mi)
N of epicenter
Reykjanesbær
(pop: 2,010)
III: Weak
Southern Peninsula
34 km (21 mi)
NE of epicenter
Hafnarfjordur
(pop: 26,800)
III: Weak
Hafnarfjarðarkaupstaður, Capital Region
37 km (23 mi)
NE of epicenter
Garðabaer
(pop: 11,400)
III: Weak
Garðabær, Capital Region
39 km (24 mi)
NE of epicenter
Kopavogur
(pop: 31,700)
III: Weak
Kopavogsbær, Capital Region
41 km (26 mi)
NE of epicenter
Reykjavik
(pop: 118,900)
II: Very weak
Reykjavíkurborg, Capital Region
50 km (31 mi)
NE of epicenter
Mosfellsbaer
(pop: 8,650)
II: Very weak
Capital Region
52 km (32 mi)
NE of epicenter
Grundarhverfi
(pop: 528)
II: Very weak
Reykjavíkurborg, Capital Region
53 km (33 mi)
E of epicenter
Thorlakshofn
(pop: 1,490)
II: Very weak
Sveitarfélagið Ölfus, South
55 km (34 mi)
N of epicenter
Akranes
(pop: 6,610)
II: Very weak
West
64 km (40 mi)
E of epicenter
Hveragerdi
(pop: 2,290)
II: Very weak
Hveragerdishreppur, South
64 km (40 mi)
E of epicenter
Eyrarbakki
(pop: 531)
II: Very weak
Sveitarfélagið Arborg, South
83 km (51 mi)
N of epicenter
Borgarnes
(pop: 1,880)
II: Very weak
Borgarbyggð, West
86 km (54 mi)
E of epicenter
Borg in Grimsnes
(pop: 75)
II: Very weak
Grimsnes- og Grafningshreppur, South
92 km (57 mi)
E of epicenter
Þykkvibaer
(pop: 53)
II: Very weak
Rangárþing Ytra, South
93 km (58 mi)
NE of epicenter
Laugarvatn
(pop: 147)
II: Very weak
Blaskogabyggð, South
101 km (63 mi)
E of epicenter
Hella
(pop: 784)
II: Very weak
Rangarþing Ytra, South
106 km (66 mi)
NE of epicenter
Reykholt
(pop: 31)
II: Very weak
Borgarbyggð, West
109 km (67 mi)
E of epicenter
Fludir
(pop: 420)
II: Very weak
Hrunamannahreppur, South
110 km (69 mi)
E of epicenter
Hvolsvollur
(pop: 902)
II: Very weak
Rangarþing Eystra, South
116 km (72 mi)
NW of epicenter
Arnarstapi
(pop: 15)
II: Very weak
Snæfellsbær, West
117 km (73 mi)
E of epicenter
Vestmannaeyjar
(pop: 4,220)
II: Very weak
South
125 km (77 mi)
N of epicenter
Grundarfjordur
(pop: 852)
I: Not felt
Grundarfjarðarbær, West
130 km (81 mi)
NW of epicenter
Olafsvik
(pop: 1,010)
I: Not felt
Snæfellsbær, West
136 km (84 mi)
N of epicenter
Stykkisholmur
(pop: 1,110)
I: Not felt
Stykkisholmsbær, West
143 km (89 mi)
N of epicenter
Budardalur
(pop: 266)
I: Not felt
Dalabyggð, West
163 km (102 mi)
N of epicenter
Bordeyri
(pop: 27)
I: Not felt
Westfjords
177 km (110 mi)
N of epicenter
Reykholar
(pop: 135)
I: Not felt
Reykholahreppur, Westfjords
177 km (110 mi)
E of epicenter
Vik
(pop: 276)
I: Not felt
Mýrdalshreppur, South
186 km (115 mi)
N of epicenter
Hunathing Vestra
(pop: 546)
I: Not felt
Hunaþing Vestra, Northwest
209 km (130 mi)
N of epicenter
Drangsnes
(pop: 69)
I: Not felt
Kaldrananeshreppur, Westfjords
210 km (131 mi)
N of epicenter
Bildudalur
(pop: 170)
I: Not felt
Vesturbyggð, Westfjords
225 km (140 mi)
NE of epicenter
Blonduos
(pop: 813)
I: Not felt
Blönduósbær, Northwest
237 km (147 mi)
NE of epicenter
Varmahlid
(pop: 128)
I: Not felt
Sveitarfélagið Skagafjörður, Northwest
249 km (154 mi)
NE of epicenter
Sauðarkrokur
(pop: 2,580)
I: Not felt
Sveitarfélagið Skagafjörður, Northwest
262 km (163 mi)
NE of epicenter
Holar
(pop: 78)
I: Not felt
Sveitarfélagið Skagafjörður, Northwest
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

User-reports for this quake

There are no user reports for this quake yet.

If you felt it, be the first to report it!
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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 Depth Time GMT
2023-11-24
Epicenter Agency
3.7 1.1 km
0.7 mi
12:25:18 Iceland: 2.5 Km NNW of Grindavík IMO (Icelandic Met Office)
3.7 1.1 km
0.7 mi
12:25:18 Iceland Region
0 km (0 mi) epicenter difference with IMO
EMSC (European-Mediterranean Seismological Centre)

Earthquake statistics

Average number of earthquakes

Based on data from the past 10 years and our earthquake archive back to 1900, there are about 180,000 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):
  • Mag. 6 or higher: 0.06 quakes per year (or 1 quake every 16.7 years)
  • Mag. 5 or higher: 1.93 quakes per year
  • Mag. 4 or higher: 28.9 quakes per year
  • Mag. 3 or higher: 237 quakes per year (or 19.7 quakes per month)
  • Mag. 2 or higher: 1,500 quakes per year (or 4 quakes per day)
  • Mag. 1 or higher: 7,100 quakes per year (or 19.5 quakes per day)
The area where this quake occurred has a high level of seismic activity. It has had at least 8 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 15 to 20 years.

Number of quakes per year

Previous quakes in the same area of this earthquake

Map of earlier quakes in the area of this quake

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Map to embed or share

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