Event status: uncertain, preliminary [?]

Sismo o evento simile a un terremoto segnalato: 4.6 km a est da Chula Vista, Contea di San Diego County, Contea di Kern, Stati Uniti, 18 Jul 4:35 am (GMT -7) -

Sismo o evento simile a un terremoto segnalato: 4.6 km a est da Chula Vista, Contea di San Diego County, Contea di Kern, Stati Uniti, 18 Jul 4:35 am (GMT -7)
18 Jul 11:44 UTC: Primo a segnalare: VolcanoDiscovery dopo 10 minuti.
Data & ora: 18 Jul 2021 11:35:04 UTC -
Ora locale a epicentro: 18 Jul 4:35 am (GMT -7)
Magnitudine: 3.8?
Prof.: 10.0 km
Epicentro latitudine / longitudine: 32.65044°N / 117.03624°W (Contea di San Diego, Contea di Kern, Stati Uniti)
Antipode: 32.65°S / 62.964°E
Vulcano più vicino: Salton Buttes (151 km / 94 mi)
Nearby towns and cities:
1 km SO da Bonita (San Diego County) (pop: 12,500) --> Vedi sismi vicini
5 km ENE da Chula Vista (pop: 265,800) --> Vedi sismi vicini
7 km ESE da National City (pop: 61,100) --> Vedi sismi vicini
7 km SSO da La Presa (San Diego County) (pop: 34,200) --> Vedi sismi vicini
10 km S da Lemon Grove (San Diego County) (pop: 26,700) --> Vedi sismi vicini
10 km NE da Imperial Beach (San Diego County) (pop: 27,400) --> Vedi sismi vicini
13 km S da La Mesa (pop: 60,100) --> Vedi sismi vicini
14 km ESE da San Diego (pop: 1,394,900) --> Vedi sismi vicini
17 km SSO da El Cajon (pop: 103,700) --> Vedi sismi vicini
773 km SSE da Sacramento (pop: 490,700) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Broken Clouds 20.2°C (68 F), humidity: 89%, wind: 1 m/s (2 kts) from WSW
Fonte dati primaria: VolcanoDiscovery
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User reports for this quake (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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El cajon (14.6 km S of epicenter) [Map] / Moderate shaking (MMI V) / 5-10 s : Front doors sounded like someone was breaking in | 2 users found this interesting.  
La Mesa, San Diego, California (14.8 km N of epicenter) [Map] / Light shaking (MMI IV) / very short : Woke me. Sounded like a boom la Mesa ca | One user found this interesting.  
La Jolla, San Diego, California (29.7 km NW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s
El Cajon / Light shaking (MMI IV) / 5-10 s
San diego / Very weak shaking (MMI II) / very short : Heard a couple of booms 4am-5am San Diego  
Tijuana / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s : From north to south Tijuana  
San Marcos CA / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s : Woke me in bed, ground beneath swaying side to side, loud rumblings.  
Spring Valley (9 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s
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