Sismo leggero mag. 2.8 - 16 km a sud-est da Livermore, Contea di Alameda County, Contea di Kern, Stati Uniti, sabato, 16 ott 2021 19:55 (GMT -7) -

Sismo leggero mag. 2.8 - 16 km a sud-est da Livermore, Contea di Alameda County, Contea di Kern, Stati Uniti, sabato, 16 ott 2021 19:55 (GMT -7)

Sismo leggero magnitudine 2.8 at 3 km depth

17 Oct 02:58 UTC: Primo a segnalare: EMSC dopo 3 minuti.
17 Oct 02:58: Ora utilizzando nuova fonte di dati: USGS
Data & ora: 17 Oct 2021 02:55:02 UTC -
Ora locale a epicentro: sabato, 16 ott 2021 19:55 (GMT -7)
Magnitudine: 2.8
Prof.: 3.1 km
Epicentro latitudine / longitudine: 37.5505°N / 121.70067°W (Contea di Alameda, Contea di Kern, Stati Uniti)
Antipode: 37.551°S / 58.299°E
Vulcano più vicino: Clear Lake (183 km / 114 mi)
Nearby towns and cities:
16 km SSE da Livermore (pop: 88,100) --> Vedi sismi vicini
20 km SE da Pleasanton (pop: 79,500) --> Vedi sismi vicini
23 km NE da Milpitas (pop: 77,600) --> Vedi sismi vicini
23 km NNE da Alum Rock (pop: 15,500) --> Vedi sismi vicini
25 km E da Fremont (pop: 232,200) --> Vedi sismi vicini
27 km SE da Dublin (pop: 57,700) --> Vedi sismi vicini
29 km E da Union City (pop: 74,500) --> Vedi sismi vicini
29 km NE da San Jose (pop: 1,026,900) --> Vedi sismi vicini
31 km NE da Santa Clara (pop: 126,200) --> Vedi sismi vicini
116 km S da Sacramento (pop: 490,700) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Few Clouds 16.4°C (61 F), humidity: 33%, wind: 1 m/s (3 kts) from S
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 1 x 109 joules (278 kWh, equivalent to 0.239 tons of TNT) More info
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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
2.83.1 km16km SSE of Livermore, CAUSGS
2.83 kmNORTHERN CALIFORNIAEMSC

User reports for this quake (2)

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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Livermore, Alameda, California (14.9 km NNW of epicenter) [Map] / Very weak shaking (MMI II) : i didnt feel it but my whole family did :(( east-west shaking, my sister felt it really well on the second floor as if someone pushed really hard on the house | One user found this interesting.  
San Francisco CA / Very weak shaking (MMI II) / 1-2 s : Heard loud boom and felt a 1-2 second shake. My little chihuahua started shaking  
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