Terremoto leve mag. 3.3 - 17 miles ESE of Hemet, Riverside County, California, USA, martes, 21 sep 2021 15:57 (GMT -7) -

Terremoto leve mag. 3.3 - 17 miles ESE of Hemet, Riverside County, California, USA, martes, 21 sep 2021 15:57 (GMT -7)

Terremoto leve magnitud 3.3 at 13 km depth

21 Sep 23:00 UTC: Primero en informar: USGS después de 3 minutos.
21 Sep 23:41: Magnitud recalculada de 3.5 a 3.3. Profundidad recalculada de 13.5 a 13.4 km (de 8.4 a 8.3 mi).
Update Tue, 21 Sep 2021, 23:09
Small 3.5 quake hits near Hemet, Riverside County, California, USA
3.5 quake 21 Sep 3:57 pm (GMT -7)
3.5 quake 21 Sep 3:57 pm (GMT -7)
A magnitude 3.5 earthquake near Hemet, Riverside County, California, USA, was reported only 12 minutes ago by the United States Geological Survey, considered the key international and national agency that monitors seismic activity in the US. The earthquake occurred at a shallow depth of 8.4 miles beneath the epicenter early afternoon on Tuesday, September 21st, 2021, at 3:57 pm local time. 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 3.5 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 Mountain Center (pop. 63) located 5 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Palm Springs (pop. 47,400) located 17 miles from the epicenter, Hemet (pop. 83,900) 17 miles away, Cathedral City (pop. 53,800) 17 miles away, San Jacinto (pop. 47,000) 18 miles away, Palm Desert (pop. 51,900) 20 miles away, Menifee (pop. 87,200) 26 miles away, and Temecula (pop. 112,000) 27 miles away. In Riverside (pop. 322,400, 45 miles away), the quake was probably not felt.

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Earthquake data

Fecha & hora: 21 Sep 2021 22:57:32 UTC -
Hora local al epicentro: martes, 21 sep 2021 15:57 (GMT -7)
Magnitud: 3.3
Prof.: 13.4 km
Epicentro latitud / longitud: 33.63467°N / 116.71083°W (Condado de Riverside, California, Estados Unidos)
Antipode: 33.635°S / 63.289°E
Volcán mas cercano: Salton Buttes (112 km / 70 mi)
Nearby towns and cities:
8 km al S de Mountain Center (pop: 63) --> ¡Vea sismos cercanos!
24 km al ESE de East Hemet (pop: 17,400) --> ¡Vea sismos cercanos!
27 km al SO de Palm Springs (pop: 47,400) --> ¡Vea sismos cercanos!
27 km al ESE de Hemet (pop: 83,900) --> ¡Vea sismos cercanos!
28 km al SO de Cathedral City (pop: 53,800) --> ¡Vea sismos cercanos!
28 km al SE de San Jacinto (pop: 47,000) --> ¡Vea sismos cercanos!
32 km al OSO de Palm Desert (pop: 51,900) --> ¡Vea sismos cercanos!
37 km al O de La Quinta (pop: 40,500) --> ¡Vea sismos cercanos!
73 km al ESE de Riverside (pop: 322,400) --> ¡Vea sismos cercanos!
698 km al SE de Sacramento (pop: 490,700) --> ¡Vea sismos cercanos!
Weather at epicenter at time of quake:
Clear Sky 28.6°C (83 F), humidity: 21%, wind: 1 m/s (2 kts) from WSW
Fuente primaria de datos: USGS (United States Geological Survey)
Energía liberada estimada: 5.6 x 109 joules (1.56 MWh, equivalente a 1.34 toneladas de TNT) Más 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.
3.313 km9km NNW of Anza, CAUSGS

User reports for this quake (9)

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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Oceanside / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Oceanside / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Hemet / Very weak shaking (MMI II) (reported through our app)
Idyllwild / Light shaking (MMI IV) / rattling, vibrating / very short : It felt like something heavy fell in the house.  
Murrieta / Weak shaking (MMI III) / very short (reported through our app)
escondido (64.1 km SSW of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s
ANAHEIM / not felt
Winchester,CA / Weak shaking (MMI III) / rattling, vibrating / very short
4s ranch (78.7 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s
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