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Weak mag. 2.3 earthquake - 4km SE of Carson, CA, on Wednesday, Dec 29, 2021 at 5:21 pm (GMT -8) -

Weak mag. 2.3 earthquake - 4km SE of Carson, CA, on Wednesday, Dec 29, 2021 at 5:21 pm (GMT -8) Weak mag. 2.3 earthquake - 4km SE of Carson, CA, on Wednesday, Dec 29, 2021 at 5:21 pm (GMT -8)

Weak magnitude 2.3 earthquake at 11 km depth

30 Dec 01:24 UTC: First to report: USGS after 3 minutes.
30 Dec 01:26: Hypocenter depth recalculated from 10.2 to 10.7 km (from 6.3 to 6.6 mi). Epicenter location corrected by 1.3 km (0.8 mi) towards SE.

Earthquake details

Date & timeDec 30, 2021 01:21:36 UTC -
Local time at epicenterWednesday, Dec 29, 2021 at 5:21 pm (GMT -8)
Depth10.7 km
Epicenter latitude / longitude33.80617°N / 118.25483°W (California, United States)
Antipode33.806°S / 61.745°E
Shaking intensityWeak shaking
Felt4 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoLavic Lake (183 km / 114 mi)
Nearby towns and cities4 km (2 mi) SE of Carson (pop: 93,300) | Show on map | Quakes nearby
7 km (5 mi) NW of Long Beach (pop: 474,100) | Show on map | Quakes nearby
9 km (5 mi) ESE of Torrance (pop: 148,500) | Show on map | Quakes nearby
10 km (6 mi) SSE of Gardena (pop: 60,400) | Show on map | Quakes nearby
10 km (7 mi) SSW of Compton (pop: 98,500) | Show on map | Quakes nearby
12 km (8 mi) WSW of Lakewood (pop: 81,600) | Show on map | Quakes nearby
13 km (8 mi) ESE of Redondo Beach (pop: 68,200) | Show on map | Quakes nearby
15 km (9 mi) SE of Hawthorne (pop: 88,500) | Show on map | Quakes nearby
17 km (11 mi) SSW of South Gate (pop: 96,400) | Show on map | Quakes nearby
29 km (18 mi) NW of Huntington Beach (pop: 201,900) | Show on map | Quakes nearby
Weather at epicenter at time of quakeModerate Rain 11.2°C (52 F), humidity: 95%, wind: 1 m/s (3 kts) from E
Estimated seismic energy released1.8 x 108 joules (49.4 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.
2.310.7 kmSouthern CaliforniaRaspberryShake
2.310.7 km4km SE of Carson, CAUSGS

User reports for this quake (4)

At magnitude 2.3, 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, Los Angeles (2.2 km NNE of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s
TORRANCE / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Long Beach / Very weak shaking (MMI II) / single lateral shake / 1-2 s : Single weak very weak shake/jolt.  
Long Beach / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s
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