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Sismo minore mag. 1.0 - 13 Km WNW of Amboy, Washington, USA, venerdì, 09 apr. 2021 04:08

Sismo minore magnitudine 1.0 a 16 km di profondità

9 Apr 16:20 UTC: Primo a segnalare: USGS dopo 12 ore.

Dettagli del sismo

Data e ora	9 Apr 2021 04:08:52 UTC
Ora locale all'epicentro
Status	Confermato
Magnitudine	1
Prof.	16.4 km
Epicentro latitudine / longitudine	45.97367°N / 122.59017°W (Washington State, Stati Uniti)
Antipodo	45.974°S / 57.41°E
Intensità di scuotimento	Non sentito
Sentito
Fonte dati primaria	USGS (United States Geological Survey)
Vulcano più vicino	Mount St. Helens (40 km / 25 mi)
Luoghi vicini	13 km ONO da Amboy (pop: 1,610) \| Mappa \| Sismi nelle vicinanze 22 km NNO da Battle Ground (Clark County) (pop: 19,400) \| Mappa \| Sismi nelle vicinanze 30 km N da Salmon Creek (pop: 19,700) \| Mappa \| Sismi nelle vicinanze 32 km N da Five Corners (pop: 18,200) \| Mappa \| Sismi nelle vicinanze 33 km SE da Longview (Cowlitz County) (pop: 36,800) \| Mappa \| Sismi nelle vicinanze 34 km N da Hazel Dell (pop: 19,400) \| Mappa \| Sismi nelle vicinanze 34 km N da Orchards (pop: 19,600) \| Mappa \| Sismi nelle vicinanze 38 km N da Vancouver (pop: 172,900) \| Mappa \| Sismi nelle vicinanze 45 km NNO da La Camas (pop: 21,800) \| Mappa \| Sismi nelle vicinanze 51 km N da Portland (Oregon) (pop: 632,300) \| 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	16 km	13 Km WNW of Amboy, Washington, USA	USGS

Most recent quakes Top 20 past 24 hrs Quakes in the US Washington

Seismograms

Seismic station: Southwest Flank 2, Mount St. Helens (SWF2/CC network) | Distance from quake: 37 km / 23 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: 38 km / 24 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: September lobe, Mt. St. Helens (Dome sta) (SEP/CC network) | Distance from quake: 40 km / 25 mi | Show on map | Station Info

Seismic station September lobe, Mt. St. Helens (Dome sta): vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station September lobe, Mt. St. Helens (Dome sta): horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station September lobe, Mt. St. Helens (Dome sta): 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: 43 km / 27 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: 85 km / 53 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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