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Moderate mag. 4.9 earthquake - Iceland: 11.7 Km ENE of Grímsey on Thursday, Sep 8, 2022 at 4:01 am (GMT +0) -

Moderate mag. 4.9 earthquake - Iceland: 11.7 Km ENE of Grímsey on Thursday, Sep 8, 2022 at 4:01 am (GMT +0) Moderate mag. 4.9 earthquake - Iceland: 11.7 Km ENE of Grímsey on Thursday, Sep 8, 2022 at 4:01 am (GMT +0)

Moderate magnitude 4.9 earthquake at 10 km depth

8 Sep 04:06 UTC: First to report: GFZ after 6 minutes.
8 Sep 04:07: Magnitude recalculated from 5.0 to 4.9. Epicenter location corrected by 6.6 km (4.1 mi) towards SSE.
8 Sep 04:10: Now using data updates from IMO
8 Sep 05:30: Magnitude recalculated from 5.1 to 4.9. Hypocenter depth recalculated from 13.5 to 10.0 km (from 8.4 to 6.2 mi). Epicenter location corrected by 1.9 km (1.2 mi) towards SSE.
Update Thu, 8 Sep 2022, 04:15

Significant earthquake of magnitude 5.1 just reported 101 km north of Akureyri, Iceland

5.1 quake Iceland: 11.5 Km ENE of Grímsey Sep 8, 2022 4:01 am (GMT +0)
5.1 quake Iceland: 11.5 Km ENE of Grímsey Sep 8, 2022 4:01 am (GMT +0)
An earthquake of magnitude 5.1 occurred only 14 minutes ago 101 km north of Akureyri, Iceland, the Icelandic Met Office (IMO) reported.
The quake hit at a shallow depth of 13.5 km beneath the epicenter near Akureyri, Akureyrarkaupstaður, Northeast, Iceland, early morning on Thursday, September 8th, 2022, at 4:01 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the German Research Centre for Geosciences (GFZ), which listed it as a magnitude 4.9 earthquake. Other agencies reporting the same quake include the European-Mediterranean Seismological Centre (EMSC) at magnitude 4.9, the citizen-seismograph network of RaspberryShake at magnitude 4.9, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 5.0.
Generally quakes of this magnitude are recorded by more than one agency and the results can vary, with subsequent reports that come in after the first one often showing more accuracy.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Grimsey (pop. 76) located 12 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Norðurþing (pop. 2,200) located 63 km from the epicenter, Siglufjordur (pop. 1,200) 70 km away, Dalvik (pop. 1,400) 76 km away, Reykjadalur (pop. 1000) 97 km away, Akureyri (pop. 17,700) 101 km away, and Sauðarkrokur (pop. 2,600) 125 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake details

Date & timeSep 8, 2022 04:01:01 UTC -
Local time at epicenterThursday, Sep 8, 2022 at 4:01 am (GMT +0)
StatusConfirmed
Magnitude4.9
Depth10.0 km
Epicenter latitude / longitude66.563°N / 17.751°W (Iceland)
Antipode66.563°S / 162.249°E
Shaking intensityLight shaking
Felt18 reports
Primary data sourceIMO (Icelandic Met Office)
Nearest volcanoKolbeinsey Ridge (35 km / 22 mi)
Nearby towns and cities12 km (7 mi) ENE of Grimsey (pop: 76) | Show on map | Quakes nearby
61 km (38 mi) NNW of Norðurþing (pop: 2,230) | Show on map | Quakes nearby
69 km (43 mi) NE of Siglufjordur (pop: 1,190) | Show on map | Quakes nearby
75 km (46 mi) NNE of Dalvik (pop: 1,360) | Show on map | Quakes nearby
99 km (62 mi) N of Akureyri (pop: 17,700) | Show on map | Quakes nearby
331 km (206 mi) NNE of Reykjavik (pop: 118,900) | Show on map | Quakes nearby
334 km (207 mi) NNE of Kopavogur (pop: 31,700) | Show on map | Quakes nearby
339 km (211 mi) NNE of Hafnarfjordur (pop: 26,800) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 10.3°C (51 F), humidity: 82%, wind: 3 m/s (7 kts) from SSE
Estimated seismic energy released1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) | about seismic energy
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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.
Mag.DepthLocationSource
4.910 kmIceland: 11.7 Km ENE of GrímseyIMO
5.010 km5.0 ICELAND REGIONEMSC
5.210 kmIceland RegionRaspberryShake
5.210 kmIceland RegionGFZ
5.210 km56 Km NNW of Norðurþing, IcelandUSGS
5.210 kmIceland RegionGeoAu

User reports for this quake (19)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Akureyri (89.6 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : very short, as if something had blown up | 2 users found this interesting.  
Akureyri (100.4 km S of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s : It woke me up | 2 users found this interesting. (reported through our app)  
near Siglufjordur, Fjallabyggð, Northeast (82.9 km SW of epicenter) [Map] / Moderate shaking (MMI V) : Woke everyone up | 2 users found this interesting.  
Akureyri (95.8 km S of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 2-5 s : Woke me up and had was a bit similar to the sensation of falling in the sleep but stronger | One user found this interesting.  
Akureyri (99.2 km S of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Light shaking | One user found this interesting.  
Kaupangur (102.7 km S of epicenter) [Map] / Light shaking (MMI IV) / simple rolling (tilting sideways along one direction) / 1-2 s : I woke up by some kind of heavy shake, some noise and a gout fear. | One user found this interesting.  
Akureyri (97.5 km SSW of epicenter) [Map] / Weak shaking (MMI III) : Small burst | One user found this interesting.  
Natur Hôtel, AKUREYRI / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Chambre 007 Réveillé à 4h01 suite perception de 2 courtes séries de vibrations. Également ressenti par 2 autres personnes de notre groupe de voyageurs.  
Grimsey / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s : It felt like a train was coming at us. Very loud vibration | One user found this interesting.  
Akureyri / Very weak shaking (MMI II) / very short : It was a quick shake and rumble that woke me - like someone shaking the bed. | One user found this interesting.  
near Siglufjordur, Fjallabyggð, Northeast (82.9 km SW of epicenter) [Map] / Moderate shaking (MMI V) : Woke everyone up  
Iceland, Akureyri (99.3 km S of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 2-5 s
Akureyri / Weak shaking (MMI III) / 15-20 s
Akureyri / Weak shaking (MMI III)
akureyri / not felt
Akureyi / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Akureyri / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Skjaldarvik / Weak shaking (MMI III) / single lateral shake / very short
Akuyeri / Light shaking (MMI IV)

Earlier earthquakes in the same area

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