Terremoto moderato mag. 3.9 - Contea di Imperial County, Contea di Kern, Stati Uniti, venerdì, 11 giu 2021 21:30 (GMT -7) -

Terremoto moderato mag. 3.9 - Contea di Imperial County, Contea di Kern, Stati Uniti, venerdì, 11 giu 2021 21:30 (GMT -7)

Terremoto moderato magnitudine 3.9 at 4 km depth

12 Jun 04:31 UTC: Primo a segnalare: USGS dopo 1 minuto.
12 Jun 04:35: Magnitudine ricalcolata da 4.1 a 3.9. Profondità ricalcolata da 8.0 a 3.5 km (da 5 a 2.2 mi). Posizione dell'epicentro corretta di 7.1 km (4.4 mi) al ENE.
12 Jun 04:37: Magnitudine ricalcolata da 3.2 a 3.9.
Update Sat, 12 Jun 2021, 04:36
Small earthquake of magnitude 3.9 just reported 17 miles northwest of Brawley, California, United States
3.9 quake 11 Jun 9:30 pm (GMT -7)
3.9 quake 11 Jun 9:30 pm (GMT -7)
Just 6 minutes ago, a 3.9-magnitude earthquake struck near Brawley, Imperial County, California, USA. The tremor was recorded in the evening on Friday 11 June 2021 at 9:30 pm local time, at a very shallow depth of 2.2 miles below the surface.
The event was filed by the United States Geological Survey, the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 3.2 earthquake.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Imperial Junction (pop. 1000) located 7 miles from the epicenter, Calipatria (pop. 7,400) 9 miles away, and Brawley (pop. 25,900) 17 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Imperial (pop. 17,100) located 25 miles from the epicenter, El Centro (pop. 44,000) 29 miles away, Calexico (pop. 40,100) 38 miles away, Coachella (pop. 44,600) 45 miles away, and Indio (pop. 87,500) 48 miles away.
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Earthquake data

Data & ora: 12 Jun 2021 04:30:28 UTC -
Ora locale a epicentro: venerdì, 11 giu 2021 21:30 (GMT -7)
Magnitudine: 3.9
Prof.: 3.5 km
Epicentro latitudine / longitudine: 33.21083°N / 115.63934°W (Contea di Imperial, Contea di Kern, Stati Uniti)
Antipode: 33.211°S / 64.361°E
Vulcano più vicino: Salton Buttes (9 km / 6 mi)
Nearby towns and cities:
12 km OSO da Imperial Junction (pop: 1,010) --> Vedi sismi vicini
15 km NO da Calipatria (pop: 7,420) --> Vedi sismi vicini
28 km NNO da Brawley (Imperial County) (pop: 25,900) --> Vedi sismi vicini
41 km N da Imperial (pop: 17,100) --> Vedi sismi vicini
47 km N da El Centro (pop: 44,000) --> Vedi sismi vicini
61 km NNO da Calexico (pop: 40,100) --> Vedi sismi vicini
72 km SE da Coachella (pop: 44,600) --> Vedi sismi vicini
78 km SE da Indio (pop: 87,500) --> Vedi sismi vicini
109 km ONO da Arizona (pop: 94,100) --> Vedi sismi vicini
797 km SE da Sacramento (pop: 490,700) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky 32°C (90 F), humidity: 28%, wind: 4 m/s (8 kts) from W
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 4.5 x 1010 joules (12.4 MWh, equivalent to 10.7 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
3.93.5 km12km WSW of Niland, CAUSGS
3.75 kmSOUTHERN CALIFORNIAEMSC

User reports for this quake (15)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Canoga Park, Los Angeles, California (295.6 km WNW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
South Hadley MA / Very weak shaking (MMI II) / horizontal (sideways) swinging / 10-15 s : East coast New England prolonged tremor Hampshire County South Hadley. Was this a tenor?  
Kempty Falls, Uttarakhand, India / Light shaking (MMI IV) / single vertical bump / 1-2 s
Modesto calif / Light shaking (MMI IV) / complex rolling (tilting in multiple directions) : A jolt then rolling was fairly long we dont feel earthquakes often in Modesto.  
Carson City, nv 89703 / Light shaking (MMI IV) / complex rolling (tilting in multiple directions) / 5-10 s : 2 story building swayed, trees and powerlines swayed.  
Fair Oaks, Ca, near Sacramento / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : Heard creaking in the room I was in, then felt horizontal movement, lasting only a few seconds  
Pioneer, CA / Light shaking (MMI IV)
Ceres / Moderate shaking (MMI V) / vertical swinging (up and down) / 2-5 s
Sacramento / Very weak shaking (MMI II) / vibration and rolling / 2-5 s : Slight shaking while laying down.  
Manteca ca / Weak shaking (MMI III) / single lateral shake / 5-10 s
Gold River, Ca / Weak shaking (MMI III) / horizontal (sideways) swinging / 15-20 s
Fresno / Light shaking (MMI IV) / 10-15 s
San Ramon / Light shaking (MMI IV) / vertical swinging (up and down) / 1-2 s : Woke me up. 4 story building moved in jolting manner  
London, United Kingdom / not felt : #Warship78 completes the 1st explosive event of Full Ship Shock Trials! The leadership and crew demonstrated #NavyReadiness fighting through the shock, proving our warship can 'take a hit. Ford’s shock trials are being conducted off the East Coast of th  
Jaramillo Boquete (4358.8 km ESE of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 10-15 s : My house shaking windows moving in and out.  
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