Terremoto moderato mag. 3.9 - 28 km a nord ovest da Brawley, Contea di Imperial County, Contea di Kern, Stati Uniti, 11 Jun 10:55 pm (GMT -7) -

Terremoto moderato mag. 3.9 - 28 km a nord ovest da Brawley, Contea di Imperial County, Contea di Kern, Stati Uniti, 11 Jun 10:55 pm (GMT -7)

Terremoto moderato magnitudine 3.9 at 3 km depth

12 Jun 05:58 UTC: Primo a segnalare: EMSC dopo 3 minuti.
12 Jun 05:58: Ora utilizzando nuova fonte di dati: USGS
12 Jun 06:01: Magnitudine ricalcolata da 3.6 a 3.9.
Update Sat, 12 Jun 2021, 06:03
Small magnitude 3.9 quake hits 17 miles northwest of Brawley, California, United States late at night
3.9 quake 11 Jun 10:55 pm (GMT -7)
3.9 quake 11 Jun 10:55 pm (GMT -7)
A very shallow magnitude 3.9 earthquake was reported late at night near Brawley, Imperial County, California, USA.
According to the United States Geological Survey, the quake hit on Friday 11 June 2021 at 10:55 pm local time at a very shallow depth of 1.7 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 3.9 as well.
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 8 miles from the epicenter, Calipatria (pop. 7,400) 10 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) 37 miles away, Coachella (pop. 44,600) 44 miles away, and Indio (pop. 87,500) 48 miles away.
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Earthquake data

Data & ora: 12 Jun 2021 05:55:20 UTC -
Ora locale a epicentro: 11 Jun 10:55 pm (GMT -7)
Magnitudine: 3.9
Prof.: 2.7 km
Epicentro latitudine / longitudine: 33.20467°N / 115.65833°W (Contea di Imperial, Contea di Kern, Stati Uniti)
Antipode: 33.205°S / 64.342°E
Vulcano più vicino: Salton Buttes (4 km / 2 mi)
Nearby towns and cities:
14 km OSO da Imperial Junction (pop: 1,010) --> Vedi sismi vicini
16 km ONO da Calipatria (pop: 7,420) --> Vedi sismi vicini
28 km NNO da Brawley (Imperial County) (pop: 25,900) --> Vedi sismi vicini
41 km NNO da Imperial (pop: 17,100) --> Vedi sismi vicini
47 km N da El Centro (pop: 44,000) --> Vedi sismi vicini
60 km NNO da Calexico (pop: 40,100) --> Vedi sismi vicini
71 km SE da Coachella (pop: 44,600) --> Vedi sismi vicini
77 km SE da Indio (pop: 87,500) --> Vedi sismi vicini
110 km ONO da Arizona (pop: 94,100) --> Vedi sismi vicini
796 km SE da Sacramento (pop: 490,700) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky 30.7°C (87 F), humidity: 32%, 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.
3.92.7 km14km WSW of Niland, CAUSGS

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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Yuma,AZ / Very weak shaking (MMI II) / horizontal (sideways) swinging / very short
Campo Calif / Light shaking (MMI IV) / single vertical bump / very short : IT WAS JUST ONE THUMP LIKE A JOLT  
Azusa / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s : 2 second low vibration  
Mexicali BC / Very weak shaking (MMI II) / single vertical bump / very short
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