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Séisme mineur mag. 1.8 - 9km ENE of Boonville, CA, mardi, 27 sept. 2022 13:30 (GMT -7) -

Séisme mineur magnitude 1.8 à 0.3 km de profondeur

27 Sep 20:32 UTC: Premier à signaler: RaspberryShake après 2 minutes.
27 Sep 20:32: Maintenant en utilisant une nouvelle source de données: USGS
27 Sep 21:42: Profondeur recalculée de 1.5 à 0.3 km (de 0.9 à 0.2 mi).

Détails du séisme

Date et l'heure	27 Sep 2022 20:30:15 UTC -
Heure locale à l'épicentre	mardi, 27 sept. 2022 13:30 (GMT -7)
Statut	Confirmé
Magnitude	1.8
Profondeur	0.3 km
Épicentre latitude / longitude	39.03133°N / 123.26133°W (Californie, États-Unis)
Antipode sismique	39.031°S / 56.739°E
Intensité d'agitation	Secousses faibles près de l'épicentre
Senti	0 rapports
Source de données principale	USGS (United States Geological Survey)
Volcan le plus près	Clear Lake (43 km / 27 mi)
Lieux à proximité	9 km ENE de Boonville (pop: 1,040) \| Carte \| Séismes à proximité 14 km SSO de Ukiah (pop: 15,900) \| Carte \| Séismes à proximité 26 km S de Redwood Valley (pop: 1,730) \| Carte \| Séismes à proximité 30 km O de Lakeport (pop: 4,810) \| Carte \| Séismes à proximité 33 km NO de Cloverdale (Sonoma County) (pop: 8,810) \| Carte \| Séismes à proximité 55 km O de Clearlake (Lake County) (pop: 15,200) \| Carte \| Séismes à proximité 66 km NO de Windsor (Sonoma County) (pop: 27,500) \| Carte \| Séismes à proximité 81 km NO de Santa Rosa (pop: 175,000) \| Carte \| Séismes à proximité
Météo à l'épicentre au moment du séisme	Clear Sky 21.6°C (71 F), humidity: 38%, wind: 0 m/s (0 kts)
Énergie sismique estimée libérée	3.2 x 10⁷ joules (8.78 kWh) \| 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
1.8	0.3 km	9km ENE of Boonville, CA	USGS
1.8	0.3 km	9km ENE of Boonville, CA	RaspberryShake
1.8	10 km	Near Coast Of Northern Calif.	IRIS

Séismes les plus récents Top 20 dernières 24 heures Quakes in the US Californie

Seismograms

Seismic station: Marconi Conference Center, Marshall, CA, USA (MCCM/BK network) | Distance from quake: 104 km / 65 mi | Show on map | Station Info

Seismic station Marconi Conference Center, Marshall, CA, 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 Marconi Conference Center, Marshall, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Marconi Conference Center, Marshall, CA, 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: Columbia College, Columbia, CA, USA (CMB/BK network) | Distance from quake: 274 km / 170 mi | Show on map | Station Info

Seismic station Columbia College, Columbia, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Columbia College, Columbia, CA, 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: San Andreas Geophysical Obs., Hollister, CA, USA (SAO/BK network) | Distance from quake: 298 km / 185 mi | Show on map | Station Info

Seismic station San Andreas Geophysical Obs., Hollister, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station San Andreas Geophysical Obs., Hollister, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station San Andreas Geophysical Obs., Hollister, CA, 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: Mammoth (MLAC/CI network) | Distance from quake: 416 km / 259 mi | Show on map | Station Info

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

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

Seismic station Mammoth: 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: Crater Lake, Cleetwood Cove, OR, USA (CLCV/CC network) | Distance from quake: 450 km / 279 mi | Show on map | Station Info

Seismic station Crater Lake, Cleetwood Cove, OR, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake, Cleetwood Cove, OR, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake, Cleetwood Cove, OR, 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 séismes de cette ampleur ne peuvent normalement pas être ressentis par les humains, mais ils sont enregistrés par les sismomètres modernes.

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