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Sismo minore mag. 1.0 - 2 Km N of La Center, Washington, venerdì, 3 dic 2021 08:40 (GMT -8) -

Sismo minore magnitudine 1.0 a 17 km di profondità

3 Dec 19:16 UTC: Primo a segnalare: USGS dopo 2 ore e 36 minuti.

Dettagli del sismo

Data e ora	3 Dec 2021 16:40:34 UTC -
Ora locale all'epicentro	venerdì, 3 dic 2021 08:40 (GMT -8)
Status	Confermato
Magnitudine	1
Prof.	16.9 km
Epicentro latitudine / longitudine	45.88717°N / 122.66333°W (Washington State, Stati Uniti)
Antipodo	45.887°S / 57.337°E
Intensità di scuotimento	Non sentito
Sentito
Fonte dati primaria	USGS (United States Geological Survey)
Vulcano più vicino	West Crater (45 km / 28 mi)
Luoghi vicini	3 km N da La Center (pop: 3,130) \| Mappa \| Sismi nelle vicinanze 16 km NO da Battle Ground (Clark County) (pop: 19,400) \| Mappa \| Sismi nelle vicinanze 20 km N da Salmon Creek (pop: 19,700) \| Mappa \| Sismi nelle vicinanze 24 km NNO da Five Corners (pop: 18,200) \| Mappa \| Sismi nelle vicinanze 24 km N da Hazel Dell (pop: 19,400) \| Mappa \| Sismi nelle vicinanze 28 km N da Vancouver (pop: 172,900) \| Mappa \| Sismi nelle vicinanze 40 km N da Portland (Oregon) (pop: 632,300) \| Mappa \| Sismi nelle vicinanze 46 km NNE da Beaverton (Oregon) (pop: 96,600) \| Mappa \| Sismi nelle vicinanze 47 km NNO da Eugene (Oregon) (pop: 110,600) \| Mappa \| Sismi nelle vicinanze 48 km NNE da Hillsboro (Oregon) (pop: 102,300) \| Mappa \| Sismi nelle vicinanze
Meteo all'epicentro al momento del sismo
Energia sismica rilasciata stimata	2 x 10⁶ joules (0.554 kWh) \| 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.	Ubicazione	Fonte
1.0	17 km	2 Km N of La Center, Washington	USGS
1.0	17 km	Washington-Oregon Border Region	RaspberryShake

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Seismograms

Seismic station: Southwest Flank 2, Mount St. Helens (SWF2/CC network) | Distance from quake: 47 km / 29 mi | Show on map | Station Info

Seismic station Southwest Flank 2, Mount St. Helens: 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 Southwest Flank 2, Mount St. Helens: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Southwest Flank 2, Mount St. Helens: 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: Upper South Fork Repeater (USFR/CC network) | Distance from quake: 49 km / 31 mi | Show on map | Station Info

Seismic station Upper South Fork Repeater: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Upper South Fork Repeater: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Upper South Fork Repeater: 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: Rembrant, Mount St. Helens (REM/CC network) | Distance from quake: 51 km / 32 mi | Show on map | Station Info

Seismic station Rembrant, Mount St. Helens: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Rembrant, Mount St. Helens: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Rembrant, Mount St. Helens: 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: Hoala (HOA/CC network) | Distance from quake: 54 km / 33 mi | Show on map | Station Info

Seismic station Hoala: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Hoala: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Hoala: 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: Hiyu Mountain (HIYU/CC network) | Distance from quake: 83 km / 52 mi | Show on map | Station Info

Seismic station Hiyu Mountain: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Hiyu Mountain: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Hiyu Mountain: 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

User reports for this quake

Terremoti di questa magnitudo non possono essere normalmente percepiti dagli esseri umani, ma sono registrati dai moderni sismometri.

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