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Mag. 0.4 quake - Iceland: 0.6 Km ENE of Fagradalsfjall on Saturday, Sep 23, 2023 07:01 am (Reykjavik time) -

Mag. 0.4 quake - Iceland: 0.6 Km ENE of Fagradalsfjall on Saturday, Sep 23, 2023 07:01 am (Reykjavik time) Mag. 0.4 quake - Iceland: 0.6 Km ENE of Fagradalsfjall on Saturday, Sep 23, 2023 07:01 am (Reykjavik time)

Minor magnitude 0.4 earthquake at 7 km depth

23 Sep 09:42 UTC: First to report: IMO after 2 hours and 41 minutes.

Earthquake details

Date & timeSep 23, 2023 07:01:25 UTC -
Local time at epicenterSaturday, Sep 23, 2023 07:01 am (Atlantic/Reykjavik GMT +0)
StatusConfirmed
Magnitude0.4
Depth6.8 km
Epicenter latitude / longitude63.905°N / 22.263°W Southern Peninsula, Iceland
Antipode63.905°S / 157.737°E
Shaking intensityNot felt
Primary data sourceIMO (Icelandic Met Office)
Nearest volcanoFagradalsfjall (1 km / 1 mi)
Estimated seismic energy released2.5 x 105 joules (0.07 kilowatt hours) | about seismic energy
Show interactive Map
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Nearby places

Distance Place Max. shaking intensity(*) Region Country
10 km (6 mi)
NW of epicenter
Vogar
(pop: 1,030)
Not felt
Southern Peninsula
11 km (7 mi)
SW of epicenter
Grindavik
(pop: 2,860)
Not felt
Grindavikurbær, Southern Peninsula
21 km (13 mi)
W of epicenter
Hafnir
(pop: 76)
Not felt
Reykjanesbær, Southern Peninsula
24 km (15 mi)
NE of epicenter
Hafnarfjordur
(pop: 26,800)
Not felt
Hafnarfjarðarkaupstaður, Capital Region
26 km (16 mi)
NW of epicenter
Sangerdhi
(pop: 1,550)
Not felt
Sandgerðisbær, Southern Peninsula
26 km (16 mi)
NE of epicenter
Garðabaer
(pop: 11,400)
Not felt
Garðabær, Capital Region
29 km (18 mi)
NE of epicenter
Kopavogur
(pop: 31,700)
Not felt
Kopavogsbær, Capital Region
31 km (19 mi)
NE of epicenter
Reykjavik
(pop: 118,900)
Not felt
Reykjavíkurborg, Capital Region
40 km (25 mi)
NE of epicenter
Mosfellsbaer
(pop: 8,650)
Not felt
Capital Region
43 km (27 mi)
NNE of epicenter
Grundarhverfi
(pop: 528)
Not felt
Reykjavíkurborg, Capital Region
43 km (27 mi)
E of epicenter
Thorlakshofn
(pop: 1,490)
Not felt
Sveitarfélagið Ölfus, South
47 km (29 mi)
N of epicenter
Akranes
(pop: 6,610)
Not felt
West
54 km (33 mi)
ENE of epicenter
Hveragerdi
(pop: 2,290)
Not felt
Hveragerdishreppur, South
55 km (34 mi)
E of epicenter
Eyrarbakki
(pop: 531)
Not felt
Sveitarfélagið Arborg, South
75 km (47 mi)
NNE of epicenter
Borgarnes
(pop: 1,880)
Not felt
Borgarbyggð, West
75 km (47 mi)
ENE of epicenter
Borg in Grimsnes
(pop: 75)
Not felt
Grimsnes- og Grafningshreppur, South
82 km (51 mi)
ENE of epicenter
Laugarvatn
(pop: 147)
Not felt
Blaskogabyggð, South
83 km (52 mi)
E of epicenter
Þykkvibaer
(pop: 53)
Not felt
Rangárþing Ytra, South
92 km (57 mi)
E of epicenter
Hella
(pop: 784)
Not felt
Rangarþing Ytra, South
97 km (60 mi)
NNE of epicenter
Reykholt
(pop: 31)
Not felt
Borgarbyggð, West
98 km (61 mi)
ENE of epicenter
Fludir
(pop: 420)
Not felt
Hrunamannahreppur, South
101 km (63 mi)
E of epicenter
Hvolsvollur
(pop: 902)
Not felt
Rangarþing Eystra, South
111 km (69 mi)
ESE of epicenter
Vestmannaeyjar
(pop: 4,220)
Not felt
South
123 km (77 mi)
NNW of epicenter
Grundarfjordur
(pop: 852)
Not felt
Grundarfjarðarbær, West
130 km (81 mi)
NNW of epicenter
Olafsvik
(pop: 1,010)
Not felt
Snæfellsbær, West
132 km (82 mi)
N of epicenter
Stykkisholmur
(pop: 1,110)
Not felt
Stykkisholmsbær, West
136 km (85 mi)
N of epicenter
Budardalur
(pop: 252)
Not felt
Dalabyggð, West
169 km (105 mi)
ESE of epicenter
Vik
(pop: 276)
Not felt
Mýrdalshreppur, South
177 km (110 mi)
NNE of epicenter
Hvammstangi
(pop: 546)
Not felt
Hunaþing Vestra, Northwest
217 km (135 mi)
NNE of epicenter
Blonduos
(pop: 813)
Not felt
Blönduósbær, Northwest
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

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 Epicenter Agency
0.4 6.8 km (4.2 mi) 2023-09-23 07:01:25 Iceland: 0.6 Km ENE of Fagradalsfjall IMO (Icelandic Met Office)

Seismograms

Seismic station: Borgarfjordur, Asbjarnarstadir, Iceland (BORG/II network) | Distance from quake: 104 km / 65 mi | Show on map | Station Info
Seismic station Borgarfjordur, Asbjarnarstadir, Iceland: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
Show more

User-reports for this quake

At magnitude 0.4, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Earlier earthquakes in the same area

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