Sismo minore mag. 1.7 - 5km S of Portola Valley, CA, giovedì, 2 dic 2021 19:22 (GMT -8) -

Sismo minore mag. 1.7 - 5km S of Portola Valley, CA, giovedì,  2 dic 2021 19:22 (GMT -8)

Sismo minore magnitudine 1.7 at 5 km depth

3 Dec 03:24 UTC: Primo a segnalare: USGS dopo 2 minuti.
Data & ora: 3 Dec 2021 03:22:03 UTC -
Ora locale a epicentro: giovedì, 2 dic 2021 19:22 (GMT -8)
Magnitudine: 1.7
Prof.: 4.7 km
Epicentro latitudine / longitudine: 37.34217°N / 122.23683°W (Contea di Kern, Stati Uniti)
Antipode: 37.342°S / 57.763°E
Vulcano più vicino: Clear Lake (187 km / 116 mi)
Nearby towns and cities:
4 km NE da La Honda (San Mateo County) (pop: 928) --> Vedi sismi vicini
12 km OSO da Los Altos (Santa Clara County) (pop: 30,700) --> Vedi sismi vicini
13 km SSO da Menlo Park (San Mateo County) (pop: 33,400) --> Vedi sismi vicini
14 km SO da Palo Alto (pop: 66,900) --> Vedi sismi vicini
14 km OSO da Mountain View (pop: 80,400) --> Vedi sismi vicini
16 km S da Redwood City (pop: 85,300) --> Vedi sismi vicini
18 km O da seonibeil (pop: 151,800) --> Vedi sismi vicini
18 km O da Cupertino (pop: 60,600) --> Vedi sismi vicini
30 km O da San Jose (pop: 1,026,900) --> Vedi sismi vicini
51 km SSE da San Francisco (pop: 864,800) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Mist 9.9°C (50 F), humidity: 82%, wind: 4 m/s (7 kts) from NNW
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 2.2 x 107 joules (6.22 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.UbicazioneFonte
1.74.7 km5km S of Portola Valley, CAUSGS
1.74.7 kmCentral CaliforniaRaspberryShake

User reports for this quake (1)

Terremoti di questa magnitudo non possono essere normalmente percepiti dagli esseri umani, ma sono registrati dai moderni sismometri.
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Los Altos / Light shaking (MMI IV) / rattling, vibrating / very short : Loud growling noise. Rumbling vibrations. Power blinked on & off twice with a delay between the two interruptions.  
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