Event status: uncertain, preliminary [?]

Unconfirmed earthquake or seismic-like event: 1.8 mi south of Whittier, Los Angeles County, California, USA, Sep 17, 2021 9:34 pm (GMT -7) -

Unconfirmed earthquake or seismic-like event: 1.8 mi south of Whittier, Los Angeles County, California, USA, Sep 17, 2021 9:34 pm (GMT -7)
18 Sep 04:36 UTC: First to report: VolcanoDiscovery after 2 minutes.
Date & time: Sep 18, 2021 04:34:48 UTC -
Local time at epicenter: Friday, Sep 17, 2021 9:34 pm (GMT -7)
Magnitude: 3.8?
Depth: 10.0 km
Epicenter latitude / longitude: 33.95442°N / 118.0243°W (Los Angeles, California, United States)
Antipode: 33.954°S / 61.976°E
Nearest volcano: Lavic Lake (156 km / 97 mi)
Nearby towns and cities:
1 km (1 mi) ENE of South Whittier (pop: 57,200) --> See nearby quakes!
3 km (2 mi) SSE of Whittier (pop: 87,400) --> See nearby quakes!
4 km (3 mi) NNW of La Mirada (pop: 49,500) --> See nearby quakes!
7 km (5 mi) ESE of Pico Rivera (pop: 64,200) --> See nearby quakes!
8 km (5 mi) NE of Norwalk (pop: 107,100) --> See nearby quakes!
10 km (6 mi) NNW of Buena Park (pop: 83,300) --> See nearby quakes!
10 km (6 mi) E of Downey (pop: 114,200) --> See nearby quakes!
13 km (8 mi) S of El Monte (pop: 116,700) --> See nearby quakes!
23 km (14 mi) ESE of Los Angeles (pop: 3,971,900) --> See nearby quakes!
601 km (374 mi) SSE of Sacramento (pop: 490,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 16.9°C (62 F), humidity: 71%, wind: 1 m/s (2 kts) from W
Primary data source: 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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Belmont Heights, Long Beach / Light shaking (MMI IV) / vibration and rolling : Definitely felt it but was not violent. Probably seemed longer than. It was. Nothing fell or broke. I was in Belmont Heights in Long Beach, CA. | One user found this interesting.  
Indiana Colony, Los Angeles, California (24.8 km NNW of epicenter) [Map] / Light shaking (MMI IV) : The doors sounds moving, the windows shake and I feel in my feet’s  
California (25 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s (reported through our app)
Los angeles (23.5 km W of epicenter) [Map] / Weak shaking (MMI III) / complex motion difficult to describe / 20-30 s
Manhattan beach / Moderate shaking (MMI V) / complex motion difficult to describe / 30-60 s
Redondo brach / Light shaking (MMI IV) / complex motion difficult to describe / 2-5 s
Oxnard / not felt
Shelter Cove ca / Very weak shaking (MMI II) / rattling, vibrating / very short
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