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Weak mag. 2.2 earthquake - 4.8 mi south of Aguanga, Riverside County, California, USA, on Wednesday, Dec 23, 2020 at 7:12 pm (GMT -8)

Weak mag. 2.2 earthquake - 4.8 mi south of Aguanga, Riverside County, California, USA, on Wednesday, Dec 23, 2020 at 7:12 pm (GMT -8) Weak mag. 2.2 earthquake - 4.8 mi south of Aguanga, Riverside County, California, USA, on Wednesday, Dec 23, 2020 at 7:12 pm (GMT -8)

Weak magnitude 2.2 earthquake at 5 km depth

24 Dec 03:15 UTC: First to report: EMSC after 3 minutes.
24 Dec 03:15: Now using data updates from USGS
24 Dec 03:16: Hypocenter depth recalculated from 4.4 to 5.1 km (from 2.7 to 3.2 mi).

Earthquake details

Date & timeDec 24, 2020 03:12:48 UTC
Local time at epicenterWednesday, Dec 23, 2020 at 7:12 pm (GMT -8)
Depth5.1 km
Epicenter latitude / longitude33.37467°N / 116.876°W (San Diego, California, United States)
Antipode33.375°S / 63.124°E
Shaking intensityWeak shaking
Felt2 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoSalton Buttes (118 km / 73 mi)
Nearby towns and cities8 km (5 mi) S of Aguanga (pop: 1,130) | Show on map | Quakes nearby
29 km (18 mi) ESE of Temecula (pop: 112,000) | Show on map | Quakes nearby
35 km (21 mi) NE of Escondido (pop: 151,500) | Show on map | Quakes nearby
35 km (22 mi) E of Fallbrook (pop: 30,500) | Show on map | Quakes nearby
37 km (23 mi) ESE of Murrieta (pop: 109,800) | Show on map | Quakes nearby
37 km (23 mi) NE of San Marcos (pop: 92,900) | Show on map | Quakes nearby
39 km (24 mi) ENE of Vista (pop: 100,900) | Show on map | Quakes nearby
42 km (26 mi) SSE of Hemet (pop: 83,900) | Show on map | Quakes nearby
51 km (32 mi) ENE of Oceanside (pop: 175,700) | Show on map | Quakes nearby
713 km (443 mi) SE of Sacramento (pop: 490,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 5°C (41 F), humidity: 24%, wind: 1 m/s (2 kts) from SSE
Estimated seismic energy released1.3 x 108 joules (35 kilowatt hours) | about seismic energy
Show interactive Map
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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.
2.25.1 km2km NNW of Palomar Observatory, CA, USAUSGS


Seismic station: Cary Ranch, Anza, CA, USA (CRY/AZ network) | Distance from quake: 25 km / 15 mi | Show on map | Station Info
Seismic station Cary Ranch, Anza, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (2)

At magnitude 2.2, 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.
Leave a comment if you find a particular report interesting or want to add to it.
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San Diego / Weak shaking (MMI III) / 2-5 s
Riverside, Ca. 92505 / Very weak shaking (MMI II) / 2-5 s : I felt it but the rest of my household did not. Very gentle.  

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