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Sismo minore mag. 1.3 - 6km NNE of Rancho Cucamonga, CA, giovedì, 8 dic 2022 15:16 (GMT -8) -

Sismo minore magnitudine 1.3 a 12 km di profondità

8 Dec 23:19 UTC: Primo a segnalare: USGS dopo 3 minuti.
8 Dec 23:20: Magnitudine ricalcolata da 1.1 a 1.3. Profondità ricalcolata da 11.4 a 11.7 km (da 7.1 a 7.3 mi). Posizione dell'epicentro corretta di 0.7 km (0.4 mi) al NE.

Dettagli del sismo

Data e ora	8 Dec 2022 23:16:30 UTC -
Ora locale all'epicentro	giovedì, 8 dic 2022 15:16 (GMT -8)
Status	Confermato
Magnitudine	1.3
Prof.	11.7 km
Epicentro latitudine / longitudine	34.1715°N / 117.545°W (Contea di Kern, Stati Uniti)
Antipode	34.172°S / 62.455°E
Intensità di scuotimento	Non sentito
Sentito
Fonte dati primaria	USGS (United States Geological Survey)
Vulcano più vicino	Lavic Lake (106 km / 66 mi)
Luoghi vicini	8 km NNE da Rancho Cucamonga (pop: 175,200) \| Mappa \| Sismi nelle vicinanze 13 km NE da Upland (pop: 76,400) \| Mappa \| Sismi nelle vicinanze 13 km NO da Fontana (pop: 207,500) \| Mappa \| Sismi nelle vicinanze 15 km NE da Ontario (pop: 171,200) \| Mappa \| Sismi nelle vicinanze 18 km ONO da Rialto (pop: 103,100) \| Mappa \| Sismi nelle vicinanze 23 km NE da Pomona (pop: 153,300) \| Mappa \| Sismi nelle vicinanze 51 km NE da Anaheim (pop: 350,700) \| Mappa \| Sismi nelle vicinanze 56 km NNE da Santa Ana (pop: 335,400) \| Mappa \| Sismi nelle vicinanze
Meteo all'epicentro al momento del sismo	Few Clouds 14°C (57 F), humidity: 41%, wind: 2 m/s (4 kts) from WSW
Energia sismica rilasciata stimata	5.6 x 10⁶ joules (1.56 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
1.3	12 km	6km NNE of Rancho Cucamonga, CA	USGS
1.3	12 km	Southern California	RaspberryShake
1.3	10 km	Southern California	IRIS

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Seismograms

Seismic station: Mt. Baldy Ranger Station (BFS/CI network) | Distance from quake: 13 km / 8 mi | Show on map | Station Info

Seismic station Mt. Baldy Ranger Station: 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 Mt. Baldy Ranger Station: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Mt. Baldy Ranger Station: 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: Seven Oaks (SVD/CI network) | Distance from quake: 42 km / 26 mi | Show on map | Station Info

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

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

Seismic station Seven Oaks: 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: Mount Wilson Obsv (MWC/CI network) | Distance from quake: 48 km / 30 mi | Show on map | Station Info

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

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

Seismic station Mount Wilson Obsv: 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: Big Bear Solar Observatory (BBR/CI network) | Distance from quake: 58 km / 36 mi | Show on map | Station Info

Seismic station Big Bear Solar Observatory: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Big Bear Solar Observatory: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Big Bear Solar Observatory: 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: Saddleback (SDD/CI network) | Distance from quake: 70 km / 43 mi | Show on map | Station Info

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

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

Seismic station Saddleback: 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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