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Mag. 1.3 quake - Iceland: 5.5 Km S of Fagradalsfjall on Saturday, Sep 23, 2023 07:44 am (Reykjavik time) -

Minor magnitude 1.3 earthquake at 2 km depth

23 Sep 07:54 UTC: First to report: IMO after 10 minutes.
23 Sep 08:38: Hypocenter depth recalculated from 2.6 to 2.4 km (from 1.6 to 1.5 mi).

Earthquake details

Date & time	Sep 23, 2023 07:44:11 UTC -
Local time at epicenter	Saturday, Sep 23, 2023 07:44 am (Atlantic/Reykjavik GMT +0)
Status	Confirmed
Magnitude	1.3
Depth	2.4 km
Epicenter latitude / longitude	63.853°N / 22.283°W Southern Peninsula, Iceland
Antipode	63.853°S / 157.717°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	IMO (Icelandic Met Office)
Nearest volcano	Fagradalsfjall (4 km / 2 mi)
Weather at epicenter at time of quake	Overcast Clouds 5.9°C (43 F), humidity: 80%, wind: 6 m/s (12 kts) from ENE
Estimated seismic energy released	5.6 x 10⁶ joules (1.56 kilowatt hours) \| about seismic energy

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Nearby places

Distance	Place	Max. shaking intensity(*)	Region	Country
8 km (5 mi) WSW of epicenter	Grindavik (pop: 2,860)	I Not felt	Grindavikurbær, Southern Peninsula	Iceland
15 km (9 mi) NNW of epicenter	Vogar (pop: 1,030)	I Not felt	Southern Peninsula	Iceland
29 km (18 mi) NE of epicenter	Hafnarfjordur (pop: 26,800)	Not felt	Hafnarfjarðarkaupstaður, Capital Region	Iceland
29 km (18 mi) NW of epicenter	Sangerdhi (pop: 1,550)	Not felt	Sandgerðisbær, Southern Peninsula	Iceland
32 km (20 mi) NNE of epicenter	Garðabaer (pop: 11,400)	Not felt	Garðabær, Capital Region	Iceland
34 km (21 mi) NNE of epicenter	Kopavogur (pop: 31,700)	Not felt	Kopavogsbær, Capital Region	Iceland
37 km (23 mi) NNE of epicenter	Reykjavik (pop: 118,900)	Not felt	Reykjavíkurborg, Capital Region	Iceland
45 km (28 mi) NE of epicenter	Mosfellsbaer (pop: 8,650)	Not felt	Capital Region	Iceland

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
1.3	2.4 km (1.5 mi)	2023-09-23 07:44:11	Iceland: 5.5 Km S of Fagradalsfjall	IMO (Icelandic Met Office)

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Seismograms

Seismic station: Borgarfjordur, Asbjarnarstadir, Iceland (BORG/II network) | Distance from quake: 110 km / 68 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

User-reports for this quake

At magnitude 1.3, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Earlier earthquakes in the same area

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