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Sismo minore mag. 1.0 - Quarry Blast - 6km NNW of Azusa, CA, venerdì, 30 set 2022 12:08 (GMT -7) -

Sismo minore magnitudine 1.0 a 0.9 km di profondità

30 Sep 19:12 UTC: Primo a segnalare: USGS dopo 4 minuti.
30 Sep 23:24: Magnitudine ricalcolata da 1.4 a 1.0. Profondità ricalcolata da 5.8 a 0.9 km (da 3.6 a 0.6 mi). Posizione dell'epicentro corretta di 20 km (12 mi) al N.

Dettagli del sismo

Data e ora	30 Sep 2022 19:08:26 UTC -
Ora locale all'epicentro	venerdì, 30 set 2022 12:08 (GMT -7)
Status	Confermato
Magnitudine	1
Prof.	0.9 km
Epicentro latitudine / longitudine	34.18383°N / 117.92233°W (Contea di Kern, Stati Uniti)
Antipodo	34.184°S / 62.078°E
Intensità di scuotimento	Scuotimento molto debole
Sentito	0 rapporti
Fonte dati primaria	USGS (United States Geological Survey)
Vulcano più vicino	Lavic Lake (135 km / 84 mi)
Luoghi vicini	6 km NNO da Azusa (pop: 49,700) \| Mappa \| Sismi nelle vicinanze 7 km NE da Duarte (Los Angeles County) (pop: 22,000) \| Mappa \| Sismi nelle vicinanze 7 km NO da Glendora (pop: 52,000) \| Mappa \| Sismi nelle vicinanze 8 km ENE da Monrovia (Los Angeles County) (pop: 37,500) \| Mappa \| Sismi nelle vicinanze 11 km NNO da Covina (pop: 49,000) \| Mappa \| Sismi nelle vicinanze 12 km NNE da Baldwin Park (pop: 77,100) \| Mappa \| Sismi nelle vicinanze 21 km NO da Pomona (pop: 153,300) \| Mappa \| Sismi nelle vicinanze 28 km ONO da Ontario (pop: 171,200) \| Mappa \| Sismi nelle vicinanze
Meteo all'epicentro al momento del sismo	Clear Sky 25.9°C (79 F), humidity: 62%, wind: 4 m/s (7 kts) from S
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	0.9 km	Quarry Blast - 6km NNW of Azusa, CA	USGS
1.0	0.9 km	Southern California	RaspberryShake

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Seismograms

Seismic station: Mount Wilson Obsv (MWC/CI network) | Distance from quake: 13 km / 8 mi | Show on map | Station Info

Seismic station Mount Wilson Obsv: 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 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, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Art Center College of Design (GSN-affiliate) (PASC/CI network) | Distance from quake: 24 km / 15 mi | Show on map | Station Info

Seismic station Art Center College of Design (GSN-affiliate): vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Art Center College of Design (GSN-affiliate): horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Art Center College of Design (GSN-affiliate): 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: Green Verdugo Site (DEC/CI network) | Distance from quake: 39 km / 24 mi | Show on map | Station Info

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

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

Seismic station Green Verdugo Site: 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: Adelanto Receiving (ADO/CI network) | Distance from quake: 61 km / 38 mi | Show on map | Station Info

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

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

Seismic station Adelanto Receiving: 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: Rancho Palos Verdes (RPV/CI network) | Distance from quake: 66 km / 41 mi | Show on map | Station Info

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

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

Seismic station Rancho Palos Verdes: 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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