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Minor mag. 2.1 earthquake - 3km SE of Carson, CA, on Wednesday, Dec 29, 2021 at 9:21 am (GMT -8) -

Minor mag. 2.1 earthquake - 3km SE of Carson, CA, on Wednesday, Dec 29, 2021 at 9:21 am (GMT -8) Minor mag. 2.1 earthquake - 3km SE of Carson, CA, on Wednesday, Dec 29, 2021 at 9:21 am (GMT -8)

Minor magnitude 2.1 earthquake at 11 km depth

29 Dec 17:23 UTC: First to report: USGS after 2 minutes.
29 Dec 17:25: Magnitude recalculated from 2.2 to 2.1. Hypocenter depth recalculated from 7.9 to 11.4 km (from 4.9 to 7.1 mi). Epicenter location corrected by 1.4 km (0.8 mi) towards SSE.

Earthquake details

Date & timeDec 29, 2021 17:21:34 UTC -
Local time at epicenterWednesday, Dec 29, 2021 at 9:21 am (GMT -8)
StatusConfirmed
Magnitude2.1
Depth11.4 km
Epicenter latitude / longitude33.81283°N / 118.26383°W (California, United States)
Antipode33.813°S / 61.736°E
Shaking intensityWeak shaking
Felt17 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoLavic Lake (183 km / 114 mi)
Nearby towns and cities3 km (2 mi) SE of Carson (pop: 93,300) | Show on map | Quakes nearby
3 km (2 mi) ESE of West Carson (Los Angeles County) (pop: 21,700) | Show on map | Quakes nearby
8 km (5 mi) ESE of Torrance (pop: 148,500) | Show on map | Quakes nearby
9 km (5 mi) NW of Long Beach (pop: 474,100) | Show on map | Quakes nearby
9 km (6 mi) SSE of Gardena (pop: 60,400) | Show on map | Quakes nearby
10 km (6 mi) SSW of Compton (pop: 98,500) | Show on map | Quakes nearby
12 km (8 mi) ESE of Redondo Beach (pop: 68,200) | Show on map | Quakes nearby
13 km (8 mi) WSW of Lakewood (pop: 81,600) | Show on map | Quakes nearby
14 km (9 mi) SE of Hawthorne (pop: 88,500) | Show on map | Quakes nearby
30 km (19 mi) NW of Huntington Beach (pop: 201,900) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 10.4°C (51 F), humidity: 88%, wind: 2 m/s (3 kts) from N
Estimated seismic energy released8.9 x 107 joules (24.8 kilowatt hours) | 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.
Mag.DepthLocationSource
2.111 km3km SE of Carson, CAUSGS
2.111 kmSouthern CaliforniaRaspberryShake
2.111 kmGREATER LOS ANGELES AREA, CALIF.EMSC

User reports for this quake (18)

At magnitude 2.1, such a quake wouldn't normally be felt by people except under very favorable conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Carson (2.2 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Rolling Boom  
Carson, CA (2.4 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short
West Carson, Los Angeles, California (1.4 km SW of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / very short
Sitting / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
In my car parked in the driveway / Weak shaking (MMI III) : My car was shaking  
east torrance,ca / Very weak shaking (MMI II) / single vertical bump / very short : Sharp rap then done.House made noise though.  
Torrance / Very weak shaking (MMI II) / single vertical bump / very short
Carson, ca 90745 / Weak shaking (MMI III) / single vertical bump / 2-5 s
Sitting / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Carson, home / not felt : It felt like a quick jolt. I heard a loud rumble.  
Carson / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Quick but intense hard shake  
90745 / Light shaking (MMI IV) / complex rolling (tilting in multiple directions) / 1-2 s
Carson, CA / Weak shaking (MMI III) / single vertical bump / 1-2 s : Felt a violent shake  
Long Beach (5.8 km E of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s : Up stairs in bed  
Carson CA (1.5 km NNW of epicenter) [Map] / Very weak shaking (MMI II) : House shook dogs barking in bed and felt bed shake  
Gardena, CA / Light shaking (MMI IV) / single vertical bump / 1-2 s
Wilmington ca / Light shaking (MMI IV) / very short : Brief jolt and cracking sound.  
Long Beach / Very weak shaking (MMI II)
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