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Light mag. 4.8 earthquake - 84 km north of Chilecito, La Rioja, Argentina, on Tuesday, Jul 19, 2022 at 12:20 pm (GMT -3) -

Light mag. 4.8 earthquake - 84 km north of Chilecito, La Rioja, Argentina, on Tuesday, Jul 19, 2022 at 12:20 pm (GMT -3) Light mag. 4.8 earthquake - 84 km north of Chilecito, La Rioja, Argentina, on Tuesday, Jul 19, 2022 at 12:20 pm (GMT -3)

Light magnitude 4.8 earthquake at 134 km depth

19 Jul 15:24 UTC: First to report: GFZ after 4 minutes.
19 Jul 15:27: Magnitude recalculated from 4.8 to 5.0. Hypocenter depth recalculated from 197.0 to 146.0 km (from 122 to 91 mi). Epicenter location corrected by 10.8 km (6.7 mi) towards E.
19 Jul 15:44: Now using data updates from USGS
19 Jul 15:57: Hypocenter depth recalculated from 130.7 to 134.4 km (from 81 to 84 mi). Epicenter location corrected by 2.3 km (1.4 mi) towards W.
Update Tue, 19 Jul 2022, 15:30

Magnitude 5.0 earthquake strikes near Chilecito, Departamento de Chilecito, La Rioja, Argentina

5.0 quake 19 Jul 12:20 pm (GMT -3)
5.0 quake 19 Jul 12:20 pm (GMT -3)
Just 9 minutes ago, a 5.0-magnitude earthquake struck near Chilecito, Departamento de Chilecito, La Rioja, Argentina. The tremor was recorded around noon on Tuesday, July 19th, 2022, at 12:20 pm local time, at an intermediate depth of 146 km below the surface.
The event was filed by the German Research Centre for Geosciences (GFZ), the first seismological agency to report it.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 5.0 earthquake as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 5.1.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Tinogasta (pop. 14,500) located 38 km from the epicenter, Arauco (pop. 13,700) 71 km away, Vinchina (pop. 2,800) 81 km away, Fiambala (pop. 8,100) 82 km away, Londres (pop. 2,600) 84 km away, and Chilecito (pop. 42,200) 85 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake details

Date & timeJul 19, 2022 15:20:45 UTC -
Local time at epicenterTuesday, Jul 19, 2022 at 12:20 pm (GMT -3)
Depth134.4 km
Epicenter latitude / longitude28.4039°S / 67.5313°W (Departamento de Famatina, La Rioja, Argentina)
Antipode28.404°N / 112.469°E
Shaking intensityWeak shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoTipas (167 km / 104 mi)
Nearby towns and cities38 km (24 mi) S of Tinogasta (Catamarca) (pop: 14,500) | Show on map | Quakes nearby
75 km (47 mi) WNW of Arauco (pop: 13,700) | Show on map | Quakes nearby
82 km (51 mi) S of Fiambala (Catamarca) (pop: 8,060) | Show on map | Quakes nearby
84 km (52 mi) N of Chilecito (pop: 42,200) | Show on map | Quakes nearby
130 km (81 mi) NNW of Rioja (pop: 162,600) | Show on map | Quakes nearby
171 km (106 mi) W of San Fernando del Valle de Catamarca (pop: 188,800) | Show on map | Quakes nearby
287 km (179 mi) SW of San Miguel de Tucuman (Tucumán) (pop: 781,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 13.7°C (57 F), humidity: 25%, wind: 2 m/s (3 kts) from NE
Estimated seismic energy released1 x 1012 joules (278 megawatt hours, equivalent to 239 tons of TNT) | 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.
4.8134 km37 Km S of Tinogasta, ArgentinaUSGS
4.8134 kmLa Rioja Province, ArgentinaRaspberryShake
5.210 kmArgentina: Near TucumánRENASS
4.8114 kmLa Rioja Province, ArgentinaGFZ
5.0126 kmLa Rioja Province, ArgentinaGeoAu
5.010 kmLa Rioja Province, ArgentinaUSP
4.9147 kmLa Rioja Province, ArgentinaOBSIS


Seismic station: Las Campanas Astronomical Observatory, Chile (LCO/IU network) | Distance from quake: 316 km / 197 mi | Show on map | Station Info
Seismic station Las Campanas Astronomical Observatory, Chile: 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

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Earlier earthquakes in the same area

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