Minor mag. 1.4 earthquake - 1km E of Carson, CA, on Friday, Sep 17, 2021 8:07 pm (GMT -7) -

Minor mag. 1.4 earthquake - 1km E of Carson, CA, on Friday, Sep 17, 2021 8:07 pm (GMT -7)

Minor magnitude 1.4 earthquake at 2 km depth

18 Sep 03:10 UTC: First to report: USGS after 3 minutes.
18 Sep 03:11: Magnitude recalculated from 1.6 to 1.4. Hypocenter depth recalculated from 8.7 to 2.1 km (from 5.4 to 1.3 mi).
Date & time: Sep 18, 2021 03:07:04 UTC -
Local time at epicenter: Friday, Sep 17, 2021 8:07 pm (GMT -7)
Magnitude: 1.4
Depth: 2.1 km
Epicenter latitude / longitude: 33.8335°N / 118.2715°W (California, United States)
Antipode: 33.834°S / 61.729°E
Nearest volcano: Lavic Lake (182 km / 113 mi)
Nearby towns and cities:
1 km (1 mi) ENE of Carson (pop: 93,300) --> See nearby quakes!
2 km (1 mi) NE of West Carson (Los Angeles County) (pop: 21,700) --> See nearby quakes!
6 km (4 mi) E of Torrance (pop: 148,500) --> See nearby quakes!
7 km (4 mi) SSE of Gardena (pop: 60,400) --> See nearby quakes!
8 km (5 mi) SW of Compton (pop: 98,500) --> See nearby quakes!
11 km (7 mi) NW of Long Beach (pop: 474,100) --> See nearby quakes!
11 km (7 mi) E of Redondo Beach (pop: 68,200) --> See nearby quakes!
11 km (7 mi) N of San Pedro (pop: 78,400) --> See nearby quakes!
12 km (7 mi) SE of Hawthorne (pop: 88,500) --> See nearby quakes!
24 km (15 mi) S of Los Angeles (pop: 3,971,900) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 18.2°C (65 F), humidity: 82%, wind: 0 m/s (1 kts) from NE
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 106 joules (2.21 kilowatt hours) 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.
Mag.DepthLocationSource
1.42.1 km1km E of Carson, CAUSGS

User reports for this quake (10)

At magnitude 1.4, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Anaheim, Orange, California (31.2 km E of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating
Carson CA / Light shaking (MMI IV) / complex motion difficult to describe : It felt like something heavy dropped on the house then strong shaking. Several pictures. fell down. No damage.  
22703 grace avenue,, Carson,ca. 90745 / Very weak shaking (MMI II) : Nervous and very scared.  
Wilmington, CA 90744 / Light shaking (MMI IV) / horizontal (sideways) swinging
Aliso Viejo / Weak shaking (MMI III) / vertical swinging (up and down) / very short : sitting on couch. Couch rolling up and down. 10 seconds.  
East Los Angeles / Weak shaking (MMI III)
Redondo Beach / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Confused. First experience in my life.  
Arcadia CA / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : mild  
Lakewood, CA (14.9 km ENE of epicenter) [Map] / Light shaking (MMI IV) / complex motion difficult to describe / very short : Not to bad here, few fast strong jolts and it was over  
Riverside / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
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