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Terremoto leve mag. 2.9 - 1 miles NNE of San Fernando, Los Angeles County, California, USA, martes, 14 sep 2021 17:57 (GMT -7)

Terremoto leve mag. 2.9 - 1 miles NNE of San Fernando, Los Angeles County, California, USA, martes, 14 sep 2021 17:57 (GMT -7) Terremoto leve mag. 2.9 - 1 miles NNE of San Fernando, Los Angeles County, California, USA, martes, 14 sep 2021 17:57 (GMT -7)

Terremoto leve magnitud 2.9 a 7.4 km de profundidad

15 Sep 01:00 UTC: Primero en informar: USGS después de 3 minutos.
15 Sep 16:30: Magnitud recalculada de 3.0 a 2.9. Profundidad recalculada de 6.1 a 7.4 km (de 3.8 a 4.6 mi). Ubicación del epicentro corregida 0.5 km (0.3 mi) al O.
Update Wed, 15 Sep 2021, 01:06

Magnitude 3.0 earthquake strikes near Van Nuys, Los Angeles County, California, USA

3.0 quake 14 Sep 5:57 pm (GMT -7)
3.0 quake 14 Sep 5:57 pm (GMT -7)
Just 8 minutes ago, a 3.0-magnitude earthquake struck near Van Nuys, Los Angeles County, California, USA. The tremor was recorded in the afternoon on Tuesday, September 14th, 2021, at 5:57 pm local time, at a very shallow depth of 3.8 miles below the surface.
The event was filed by the United States Geological Survey, the first seismological agency to report it.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 3.0 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 San Fernando (pop. 24,900) located 1 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Valley Glen (pop. 60,000) located 8 miles from the epicenter, Van Nuys (pop. 136,400) 8 miles away, Northridge (pop. 68,500) 8 miles away, North Hollywood (pop. 77,800) 9 miles away, Santa Clarita (pop. 182,400) 9 miles away, Burbank (pop. 105,300) 11 miles away, and Universal City (pop. 105,000) 12 miles away. In Los Angeles (pop. 3,971,900, 20 miles away), the quake was probably not felt.

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Detalles del terremoto

Fecha y hora15 Sep 2021 00:57:35 UTC
Hora local en el epicentromartes, 14 sep 2021 17:57 (GMT -7)
StatusConfirmado
Magnitud2.9
Prof.7.4 km
Epicentro latitud / longitud34.2965°N / 118.43417°W (Condado de Los Ángeles, California, Estados Unidos)
Antipode34.297°S / 61.566°E
Intensidad del temblorTemblor débil
Sentido18 informes
Fuente primaria de datosUSGS (United States Geological Survey)
Volcán mas cercanoLavic Lake (173 km / 107 mi)
Lugares cercanos2 km al NNE de San Fernando (Los Angeles County) (pop: 24,900) | En el mapa | Sismos cercanos
15 km al SE de Santa Clarita (pop: 182,400) | En el mapa | Sismos cercanos
17 km al NO de Burbank (pop: 105,300) | En el mapa | Sismos cercanos
32 km al NNO de Los Ángeles (pop: 3,971,900) | En el mapa | Sismos cercanos
550 km al SSE de Sacramento (pop: 490,700) | En el mapa | Sismos cercanos
Tiempo en el epicentro en el momento del sismoClear Sky 25.6°C (78 F), humidity: 32%, wind: 0 m/s (1 kts) from S
Energía sísmica estimada liberada1.4 x 109 joules (392 kWh, equivalente a 0.338 toneladas de TNT) | 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.
RevistaProf.UbicaciónFuente
2.97.4 km2km NE of San Fernando, CAUSGS
2.715 kmGREATER LOS ANGELES AREA, CALIF.EMSC

Seismograms

Seismic station: Green Verdugo Site (DEC/CI network) | Distance from quake: 10 km / 6 mi | Show on map | Station Info
Seismic station Green Verdugo Site: 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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User reports for this quake (19)

At magnitude 2.9, 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.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
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NORTH HOLLYWOOD / Very weak shaking (MMI II) / single lateral shake / very short : It just felt like one jolt from west to east. I'm leaning against my car in the ground-level garage area and my car, the ground, and my cart in front of me all jolted in | 3 users found this interesting.  
Granada Hills / Light shaking (MMI IV) / single vertical bump / 2-5 s : I’m recovering from my heart surgery, so , I’m in bed, and I felt like somebody push the wall and move the bed, that was all | 2 users found this interesting.  
Sylmar CA / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : noise from my shutters behind me, then movement on the floor by my feet, then the couch shook. | 2 users found this interesting.  
91411 / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Short horizontal shaking | 2 users found this interesting.  
North Hollywood / Weak shaking (MMI III) : Mild shaking for a few seconds | 2 users found this interesting.  
North Hills, CA (8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / 2-5 s : I heard a strong noise on the wall, and them the shacking | One user found this interesting.  
Northridge, CA / Weak shaking (MMI III) / single vertical bump / very short : It was a quick jolt. | One user found this interesting.  
Pacoima / Very weak shaking (MMI II) / 1-2 s : Small bump movement | One user found this interesting. (reported through our app)  
Santa Clarita CA (22.8 km NW of epicenter) [Map] / not felt : Nothing felt on the Castaic/Santa Clarita line  
pacoima (3.8 km S of epicenter) [Map] / Weak shaking (MMI III)
Van Nuys, CA / Light shaking (MMI IV) / single lateral shake / 1-2 s : A quick jolt with a rattle.  
Panorama City / Weak shaking (MMI III) / single vertical bump / 1-2 s : Lil movement not to mucj  
Van Nuys / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Arleta / Weak shaking (MMI III) / rattling, vibrating / very short
Studio City / Very weak shaking (MMI II) / single lateral shake / 15-20 s
Porter Ranch / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Northridge / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Pacoima ca / Weak shaking (MMI III) / single lateral shake / 1-2 s
Northridge / Weak shaking (MMI III) / rattling, vibrating / 1-2 s (reported through our app)

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