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Sismo debile mag. 2.8 - 9.8 km a nord da West Yellowstone, Contea di Gallatin County, Montana, Stati Uniti, sabato, 1 ott 2022 14:39 (GMT -6) -

Sismo debile magnitudine 2.8 a 13 km di profondità

1 Oct 20:43 UTC: Primo a segnalare: USGS dopo 4 minuti.
1 Oct 20:57: Profondità ricalcolata da 13.2 a 13.0 km (da 8.2 a 8.1 mi).

Dettagli del sismo

Data e ora	1 Oct 2022 20:39:18 UTC -
Ora locale all'epicentro	sabato, 1 ott 2022 14:39 (GMT -6)
Status	Confermato
Magnitudine	2.8
Prof.	13.0 km
Epicentro latitudine / longitudine	44.75°N / 111.11133°W (Contea di Gallatin, Montana, Stati Uniti)
Antipode	44.75°S / 68.889°E
Intensità di scuotimento	Non sentito
Sentito	0 rapporti
Fonte dati primaria	USGS (United States Geological Survey)
Vulcano più vicino	Yellowstone (49 km / 30 mi)
Luoghi vicini	7 km ESE da Hebgen Lake Estates (pop: 70) \| Mappa \| Sismi nelle vicinanze 10 km N da West Yellowstone (pop: 1,340) \| Mappa \| Sismi nelle vicinanze 42 km NNE da Island Park (Idaho) (pop: 272) \| Mappa \| Sismi nelle vicinanze 45 km SO da Gardiner (pop: 875) \| Mappa \| Sismi nelle vicinanze 63 km SSE da Big Sky (pop: 2,310) \| Mappa \| Sismi nelle vicinanze 80 km NNE da Ashton (Idaho) (pop: 1,050) \| Mappa \| Sismi nelle vicinanze 82 km SE da Ennis (pop: 884) \| Mappa \| Sismi nelle vicinanze 98 km NNE da Saint Anthony (Idaho) (pop: 3,540) \| Mappa \| Sismi nelle vicinanze
Meteo all'epicentro al momento del sismo	Overcast Clouds 12.2°C (54 F), humidity: 46%, wind: 3 m/s (6 kts) from NNW
Energia sismica rilasciata stimata	1 x 10⁹ joules (278 kWh, equivalent to 0.239 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.	Ubicazione	Fonte
2.8	13 km	6 Km ESE of Hebgen Lake Estates, Montana	USGS
2.4	9 km	WESTERN MONTANA	EMSC
2.8	13 km	Hebgen Lake Region	RaspberryShake
2.8	10 km	Hebgen Lake Region	IRIS

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Seismograms

Seismic station: Bozeman, Montana, USA (BOZ/US network) | Distance from quake: 103 km / 64 mi | Show on map | Station Info

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

Seismic station Bozeman, Montana, 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: Long Hollow, Wyoming USA (LOHW/IW network) | Distance from quake: 133 km / 83 mi | Show on map | Station Info

Seismic station Long Hollow, Wyoming USA: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Long Hollow, Wyoming 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: Auburn Hatchery, Idaho, USA (AHID/US network) | Distance from quake: 221 km / 137 mi | Show on map | Station Info

Seismic station Auburn Hatchery, Idaho, USA: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Auburn Hatchery, Idaho, 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: Hailey, Idaho, USA (HLID/US network) | Distance from quake: 295 km / 183 mi | Show on map | Station Info

Seismic station Hailey, Idaho, USA: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Hailey, Idaho, 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: Near Browns Crk and Slater Flat Rd, Idaho, USA (MFID/IW network) | Distance from quake: 405 km / 252 mi | Show on map | Station Info

Seismic station Near Browns Crk and Slater Flat Rd, Idaho, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Near Browns Crk and Slater Flat Rd, Idaho, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Near Browns Crk and Slater Flat Rd, Idaho, 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

User reports for this quake (1)

At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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West Yellowstone / not felt

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