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Séisme modéré mag. 5.2 - 181 km au nord de Alaska City, Municipalité d'Anchorage, Alaska, États-Unis, samedi, 5 févr. 2022 22:22 (GMT -9) -

Séisme modéré mag. 5.2 - 181 km au nord de Alaska City, Municipalité d\'Anchorage, Alaska, États-Unis, samedi,  5 févr. 2022 22:22 (GMT -9) Séisme modéré mag. 5.2 - 181 km au nord de Alaska City, Municipalité d\'Anchorage, Alaska, États-Unis, samedi,  5 févr. 2022 22:22 (GMT -9)

Séisme modéré magnitude 5.2 à 58 km de profondeur

6 Feb 07:24 UTC: Premier à signaler: VolcanoDiscovery après 2 minutes.
6 Feb 07:26: Maintenant en utilisant une nouvelle source de données: USGS
... [show all] ...
6 Feb 07:40: Magnitude recalculée de 5.3 à 5.2. Profondeur recalculée de 57.4 à 57.6 km (de 36 à 36 mi). Emplacement de l'épicentre corrigé de 3.4 km (2.1 mi) au SSE.
Update Sun, 6 Feb 2022, 07:45

Magnitude 5.2 earthquake strikes near Cantwell, Denali, Alaska, USA

5.2 quake 5 Feb 10:22 pm (GMT -9)
5.2 quake 5 Feb 10:22 pm (GMT -9)
Just 23 minutes ago, a 5.2-magnitude earthquake struck near Cantwell, Denali, Alaska, USA. The tremor was recorded late at night on Saturday, February 5th, 2022, at 10:22 pm local time, at a moderately shallow depth of 36 miles below the surface.
The event was filed by the United States Geological Survey, the first seismological agency to report it.
Our monitoring service identified a second report from France's Réseau National de Surveillance Sismique (RéNaSS) which listed the quake at magnitude 5.3. Other agencies reporting the same quake include the German Research Centre for Geosciences (GFZ) at magnitude 5.5, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 5.2.
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 should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Cantwell (pop. 220) located 45 miles from the epicenter, Susitna North (pop. 1,300) 54 miles away, and Tanaina (pop. 8,200) 81 miles 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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Détails du séisme

Date et l'heure6 Feb 2022 07:22:33 UTC -
Heure locale à l'épicentresamedi, 5 févr. 2022 22:22 (GMT -9)
StatutConfirmé
Magnitude5.2
Profondeur57.6 km
Épicentre latitude / longitude62.7433°N / 148.7115°W (Arrondissement de Matanuska-Susitna, Alaska, États-Unis)
Antipode62.743°S / 31.289°E
Intensité d'agitationSecousses faibles
Senti71 rapports
Source de données principaleUSGS (United States Geological Survey)
Volcan le plus prèsBuzzard Creek (148 km / 92 mi)
Lieux à proximité73 km S de Cantwell (pop: 219) | Carte | Séismes à proximité
87 km NE de Susitna North (pop: 1,260) | Carte | Séismes à proximité
114 km NNE de Fishhook (pop: 4,680) | Carte | Séismes à proximité
129 km N de Palmer (pop: 6,790) | Carte | Séismes à proximité
135 km NNE de Wasilla (pop: 9,280) | Carte | Séismes à proximité
144 km NNE de Knik-Fairview (pop: 14,900) | Carte | Séismes à proximité
150 km NNE de Big Lake (pop: 3,350) | Carte | Séismes à proximité
164 km NNE de Eagle River (pop: 24,800) | Carte | Séismes à proximité
164 km NNE de Eagle River (Anchorage) (pop: 24,800) | Carte | Séismes à proximité
181 km NNE de Alaska City (pop: 298,700) | Carte | Séismes à proximité
Météo à l'épicentre au moment du séismeOvercast Clouds -14.5°C (6 F), humidity: 97%, wind: 2 m/s (4 kts) from E
Énergie sismique estimée libérée4 x 1012 joules (1.11 GWh, équivalent à 951 tonnes de TNT) | about seismic energy
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Données pour le même séisme indiquées par différentes agences

Info : Plus les agences signalent le même séisme et publient des données similaires, plus vous pouvez avoir confiance dans les données. Il faut normalement jusqu'à quelques heures pour que les paramètres sismiques soient calculés avec une précision quasi optimale.
Mag.ProfondeurLieuSource
5.258 km73 Km S of Cantwell, AlaskaUSGS
5.270 kmCENTRAL ALASKAEMSC
5.258 kmCentral AlaskaRaspberryShake
5.359 kmCentral AlaskaGFZ
5.310 kmNear AnchorageRENASS
5.265 kmCentral AlaskaGeoAu

Seismograms

Seismic station: College Outpost, Alaska, USA (COLA/IU network) | Distance from quake: 241 km / 149 mi | Show on map | Station Info
Seismic station College Outpost, Alaska, USA: 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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Témoignages pour ce séisme (73)

Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).
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Fairbanks, Alaska (239 km N of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s : I heard the window make a noise like something was tapping on it and felt the foundation swaying. | 5 users found this interesting.  
Eagle River (164.3 km SSW of epicenter) [Map] / Weak shaking (MMI III) : Sitting in bed | 5 users found this interesting. (reported through our app)  
  • I think I was te first to report it. Home team scores! LoL
Anchorage, Alaska / Light shaking (MMI IV) / simple rolling (tilting sideways along one direction) / 2-5 s : Rolling type.. Minor shake at first, stronger roll motion and then rolled out quickly to zero motion. (reported through our app)  
Hillside Anchorage / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Very light, quick shaking, then more intense shaking and rattling, then back to the light, quick shaking which lasted for several seconds.  
Wasilla (139.7 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Loud rumble before the shaking/swinging  
Alaska City, Anchorage (189.9 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Anchorage Alaska (182.4 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s
Wasilla (139.7 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Loud rumble before the shaking/swinging  
Knik-Fairview (141.8 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s
Alaska City, Anchorage (186.2 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s : Short and lateral shaking  
Wasilla, Matanuska-Susitna, Alaska (135.4 km SSW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : A good rattling and shaking objects swang for a bit after word. (reported through our app)  
Valdez, Ak (217.6 km SE of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s
Anchorage (195.9 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s : Started with small shaking got bigger then small shaking again  
Anchorage (186.3 km SSW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / very short
Fairbanks AK (236.9 km N of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Laying on couch on second floor felts increasing rocking and heard shaking about 3 seconds  
27 km of Susitna North, Matanuska-Susitna, Alaska (89.8 km WSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Big Lake, Alaska (142.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s : sitting at my computer and hanging light swayed briefly and furniture creaked slightly.  
Fairbanks (239 km N of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s : Felt foundation swaying horizontal while laying on the couch  
Fairbanks alaska (237.3 km N of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 30-60 s : Shaking and windows rattling, seated at the time.  
Fairbanks, Alaska (238.5 km N of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : On couch, got up and stood in doorway because heavy snow load on roof.  
Wasilla (139.7 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Loud rumble before the shaking/swinging  
Alaska City, Anchorage (189.9 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Anchorage Alaska (181.1 km SSW of epicenter) [Map] / Light shaking (MMI IV) : I was laying down in bed  
44 km of Sutton-Alpine, Matanuska-Susitna, Alaska (110.6 km SSE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s (reported through our app)
Alaska City, Anchorage (181.5 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s (reported through our app)
Fort Wainwright (237.8 km N of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s
Knik-Fairview, Matanuska-Susitna, Alaska (144.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 20-30 s (reported through our app)
Wasilla (140 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s (reported through our app)
Knik (141.1 km SSW of epicenter) [Map] / Very weak shaking (MMI II)
Alaska City, Anchorage (186.6 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s (reported through our app)
Anchorage (180.2 km SSW of epicenter) [Map] / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 2-5 s (reported through our app)
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Répliques

[Plus d'infos]

Répliques enregistrées, les plus récentes en premier (5 séismes)

Date et l'heureMag
Profondeur
LieuDétail
3 avril. 2022 22:55
il y a 26 semaines
2.5

3.9 km
Central AlaskaPlus
19 mars. 2022 01:59
il y a 28 semaines
2.2

62 km
Central AlaskaPlus
17 mars. 2022 23:47
il y a 28 semaines
2.2

0 km
70 Km ENE of Chase, AlaskaPlus
13 mars. 2022 20:27
il y a 29 semaines
3.1

51 km
87 km NE de Susitna North, Arrondissement de Matanuska-Susitna, Alaska, États-UnisPlus
26 févr.. 2022 15:34
il y a 31 semaines
2.0

62 km
55 Km S of Cantwell, AlaskaPlus

Earlier earthquakes in the same area

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