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Séisme mineur mag. 3.2 - 27 km au sud-ouest de Skwentna, Arrondissement de Matanuska-Susitna, Alaska, États-Unis, Thursday, September 25, 2014 16:29:06

This quake was likely an aftershock of the Séisme M 6.2: 21 km à l'ouest de Skwentna, Arrondissement de Matanuska-Susitna, Alaska, États-Unis, Thursday, September 25, 2014 09:51:17, which had occurred 7 heures earlier.

Séisme mineur mag. 3.2 - 27 km au sud-ouest de Skwentna, Arrondissement de Matanuska-Susitna, Alaska, États-Unis, Thursday, September 25, 2014 16:29:06

Séisme mineur magnitude 3.2 à 92 km de profondeur

26 Sep 02:10 UTC: Premier à signaler: USGS après 1 heure et 41 minutes.

Détails du séisme

Date et l'heure	26 Sep 2014 00:29:06 UTC
Heure locale à l'épicentre	Thursday, September 25, 2014 16:29:06
Statut	Confirmé
Magnitude	3.2
Profondeur	92.2 km
Épicentre latitude / longitude	61.774°N / 151.6255°W (Arrondissement de Matanuska-Susitna, Alaska, États-Unis)
Antipode sismique	61.774°S / 28.375°E
Intensité d'agitation	Pas ressenti
Senti
Source de données principale	USGS (United States Geological Survey)
Volcan le plus près	Hayes (46 km / 29 mi)
Lieux à proximité	27 km SSO de Skwentna (pop: 37) \| Carte \| Séismes à proximité 84 km O de Willow Creek (pop: 2,100) \| Carte \| Séismes à proximité 93 km ONO de Big Lake (pop: 3,350) \| Carte \| Séismes à proximité 97 km O de Houston (pop: 2,210) \| Carte \| Séismes à proximité 110 km NO de Alaska City (pop: 298,700) \| Carte \| Séismes à proximité 111 km ONO de Knik-Fairview (pop: 14,900) \| Carte \| Séismes à proximité 117 km O de Wasilla (pop: 9,280) \| Carte \| Séismes à proximité 120 km ONO de Eagle River (pop: 24,800) \| Carte \| Séismes à proximité 120 km ONO de Eagle River (Anchorage) (pop: 24,800) \| Carte \| Séismes à proximité 134 km O de Palmer (pop: 6,790) \| Carte \| Séismes à proximité
Météo à l'épicentre au moment du séisme
Énergie sismique estimée libérée	4 x 10⁹ joules (1.11 MWh, équivalent à 0.951 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.	Profondeur	Lieu	Source
3.2	92 km	83km W of Willow, Alaska	USGS

Séismes les plus récents Top 20 dernières 24 heures Quakes in the US Alaska and Aleutian Islands

Seismograms

Seismic station: Skwentna, AK, USA (SKN/AK network) | Distance from quake: 23 km / 15 mi | Show on map | Station Info

Seismic station Skwentna, AK, 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. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Skwentna, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Skwentna, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Barrier Glacier, Mount Spurr, Alaska (SPBG/AV network) | Distance from quake: 70 km / 43 mi | Show on map | Station Info

Seismic station Barrier Glacier, Mount Spurr, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Barrier Glacier, Mount Spurr, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Barrier Glacier, Mount Spurr, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Captain Cook Nikiski, AK, USA (CAPN/AK network) | Distance from quake: 115 km / 71 mi | Show on map | Station Info

Seismic station Captain Cook Nikiski, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Captain Cook Nikiski, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Captain Cook Nikiski, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Barry Arm Top, AK, USA (BAT/AK network) | Distance from quake: 196 km / 122 mi | Show on map | Station Info

Seismic station Barry Arm Top, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Barry Arm Top, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Barry Arm Top, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Manley Hot Springs, AK, USA (MLY/AK network) | Distance from quake: 365 km / 227 mi | Show on map | Station Info

Seismic station Manley Hot Springs, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Manley Hot Springs, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Manley Hot Springs, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Témoignages pour ce séisme

Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).

There are no user reports for this quake.

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