Moderate mag. 4.0 earthquake - North Pacific Ocean, 47 mi southwest of Huntington Beach, Orange County, California, USA, on Friday, Apr 15, 2022 at 9:48 am (GMT -7) -

Moderate mag. 4.0 earthquake - North Pacific Ocean, 47 mi southwest of Huntington Beach, Orange County, California, USA, on Friday, Apr 15, 2022 at 9:48 am (GMT -7) Moderate mag. 4.0 earthquake - North Pacific Ocean, 47 mi southwest of Huntington Beach, Orange County, California, USA, on Friday, Apr 15, 2022 at 9:48 am (GMT -7)

Moderate magnitude 4.0 earthquake at 8 km depth

15 Apr 16:52 UTC: First to report: USGS after 4 minutes.
Update Fri, 15 Apr 2022, 16:57
Moderate magnitude 4.0 earthquake 47 miles southwest of Huntington Beach, California, United States
4.0 quake 15 Apr 9:48 am (GMT -7)
4.0 quake 15 Apr 9:48 am (GMT -7)
An earthquake of magnitude 4.0 occurred in the morning on Friday, April 15th, 2022, at 9:48 am local time near Huntington Beach, Orange County, California, USA, as reported by the United States Geological Survey.
According to preliminary data, the quake was located at a very shallow depth of 5 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 4.0 earthquake as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Avalon (pop. 3,800) located 18 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Huntington Beach (pop. 201,900) located 47 miles from the epicenter, Newport Beach (pop. 87,100) 47 miles away, Long Beach (pop. 474,100) 48 miles away, Costa Mesa (pop. 113,200) 49 miles away, Torrance (pop. 148,500) 51 miles away, Carson (pop. 93,300) 51 miles away, and Irvine (pop. 256,900) 54 miles away.

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Earthquake data

Earthquake details

Date & timeApr 15, 2022 16:48:31 UTC -
Local time at epicenterFriday, Apr 15, 2022 at 9:48 am (GMT -7)
StatusConfirmed
Magnitude4
Depth8.0 km
Epicenter latitude / longitude33.1122°N / 118.48°W (North Pacific Ocean, California, United States)
Antipode33.112°S / 61.52°E
Shaking intensityLight shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities29 km (18 mi) SSW of Avalon (pop: 3,800) | Show on map | Quakes nearby
76 km (47 mi) SW of Huntington Beach (pop: 201,900) | Show on map | Quakes nearby
76 km (47 mi) SW of Newport Beach (pop: 87,100) | Show on map | Quakes nearby
78 km (48 mi) SSW of Long Beach (pop: 474,100) | Show on map | Quakes nearby
79 km (49 mi) SW of Costa Mesa (pop: 113,200) | Show on map | Quakes nearby
82 km (51 mi) S of Torrance (pop: 148,500) | Show on map | Quakes nearby
82 km (51 mi) SSW of Carson (pop: 93,300) | Show on map | Quakes nearby
87 km (54 mi) SW of Irvine (pop: 256,900) | Show on map | Quakes nearby
107 km (66 mi) S of Los Angeles (pop: 3,971,900) | Show on map | Quakes nearby
130 km (81 mi) WNW of San Diego (pop: 1,394,900) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 16.3°C (61 F), humidity: 51%, wind: 2 m/s (4 kts) from N
Estimated seismic energy released6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) | 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
4.08 km29 Km SSW of Avalon, CaliforniaUSGS
4.08 kmSouthern CaliforniaRaspberryShake

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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90025 / not felt : Not felt even on a third floor (reported through our app)  
Palm Springs, ca / not felt (reported through our app)
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