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Sismo minore mag. 3.0 - 27 km a sud da Skwentna, Borough di Matanuska-Susitna, Alaska, Stati Uniti, Monday, February 23, 2015 00:04:21

Sismo minore mag. 3.0 - 27 km a sud da Skwentna, Borough di Matanuska-Susitna, Alaska, Stati Uniti, Monday, February 23, 2015 00:04:21 Sismo minore mag. 3.0 - 27 km a sud da Skwentna, Borough di Matanuska-Susitna, Alaska, Stati Uniti, Monday, February 23, 2015 00:04:21

Sismo minore magnitudine 3.0 a 77 km di profondità

23 Feb 10:10 UTC: Primo a segnalare: USGS dopo 1 ora e 6 minuti.
Profondità ricalcolata da 77.9 a 77.1 km.

Dettagli del sismo

Data e ora23 Feb 2015 09:04:21 UTC
Ora locale all'epicentroMonday, February 23, 2015 00:04:21
StatusConfermato
Magnitudine3
Prof.77.1 km
Epicentro latitudine / longitudine61.7582°N / 151.5155°W (Borough di Matanuska-Susitna, Alaska, Stati Uniti)
Antipodo61.758°S / 28.485°E
Intensità di scuotimentoNon sentito
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoHayes (50 km / 31 mi)
Luoghi vicini27 km SSO da Skwentna (pop: 37) | Mappa | Sismi nelle vicinanze
78 km O da Willow Creek (pop: 2,100) | Mappa | Sismi nelle vicinanze
87 km ONO da Big Lake (pop: 3,350) | Mappa | Sismi nelle vicinanze
91 km O da Houston (pop: 2,210) | Mappa | Sismi nelle vicinanze
98 km OSO da Susitna North (pop: 1,260) | Mappa | Sismi nelle vicinanze
105 km NO da Alaska City (pop: 298,700) | Mappa | Sismi nelle vicinanze
105 km ONO da Knik-Fairview (pop: 14,900) | Mappa | Sismi nelle vicinanze
111 km O da Wasilla (pop: 9,280) | Mappa | Sismi nelle vicinanze
114 km ONO da Eagle River (pop: 24,800) | Mappa | Sismi nelle vicinanze
114 km ONO da Eagle River (Anchorage) (pop: 24,800) | Mappa | Sismi nelle vicinanze
Energia sismica rilasciata stimata2 x 109 joules (554 kWh, equivalent to 0.477 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.Prof.UbicazioneFonte
3.077 km78km W of Willow, AlaskaUSGS

Seismograms

Seismic station: Skwentna, AK, USA (SKN/AK network) | Distance from quake: 25 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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User reports for this quake

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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