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Moderate mag. 4.2 earthquake - 44 Km NE of Villa Bustos, Argentina, on Friday, Jun 24, 2022 at 3:23 am (GMT -3) -

Moderate mag. 4.2 earthquake - 44 Km NE of Villa Bustos, Argentina, on Friday, Jun 24, 2022 at 3:23 am (GMT -3) Moderate mag. 4.2 earthquake - 44 Km NE of Villa Bustos, Argentina, on Friday, Jun 24, 2022 at 3:23 am (GMT -3)

Moderate magnitude 4.2 earthquake at 10 km depth

24 Jun 06:29 UTC: First to report: VolcanoDiscovery after 6 minutes.
24 Jun 07:21: Now using data updates from USGS

Earthquake details

Date & timeJun 24, 2022 06:23:31 UTC -
Local time at epicenterFriday, Jun 24, 2022 at 3:23 am (GMT -3)
StatusConfirmed
Magnitude4.2
Depth10.0 km
Epicenter latitude / longitude29.0356°S / 66.6584°W (Argentina)
Antipode29.036°N / 113.342°E
Shaking intensityWeak shaking
Felt21 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities45 km (28 mi) NE of Villa Bustos (pop: 2,170) | Show on map | Quakes nearby
46 km (28 mi) NNE of Rioja (pop: 162,600) | Show on map | Quakes nearby
52 km (32 mi) SSE of Arauco (pop: 13,700) | Show on map | Quakes nearby
66 km (41 mi) WSW of Capayan (Catamarca) (pop: 6,360) | Show on map | Quakes nearby
83 km (52 mi) SSW of Poman (pop: 3,390) | Show on map | Quakes nearby
106 km (66 mi) SW of San Fernando del Valle de Catamarca (pop: 188,800) | Show on map | Quakes nearby
356 km (221 mi) NW of Cordoba (pop: 1,428,200) | Show on map | Quakes nearby
998 km (620 mi) NW of Buenos Aires (pop: 13,076,300) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 5.3°C (42 F), humidity: 82%, wind: 2 m/s (5 kts) from SSW
Estimated seismic energy released1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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
4.210 km44 Km NE of Villa Bustos, ArgentinaUSGS
4.210 kmLA RIOJA, ARGENTINAEMSC
4.210 kmLa Rioja Province, ArgentinaRaspberryShake

Seismograms

Seismic station: Las Campanas Astronomical Observatory, Chile (LCO/IU network) | Distance from quake: 393 km / 244 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 (23)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Anguinán - Chilecito - La Rioja - Argentina (80.6 km WSW of epicenter) [Map] / Weak shaking (MMI III) / 20-30 s : we perceive it by the strong sound of a vibration, similar to a great landslide. There were two earthquakes, separated by a few seconds that together lasted about 30 seconds. Objects such as lamps were not seen to sway, the windowpanes did vibrate noisily  
Ancasti, Departamento de Ancasti, Catamarca (113.5 km ENE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 30-60 s : Iba graduando de intensidad (paso durante 15 segundos aproximadamente) disminuye un poco y se volvió a repetir la intensidad anterior pero más fuerte, a lo que durante eso se hicieron como unos 30 o 40 segundos que duro  
La rioja (46 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating : Fue un temblequeteo por unos segundos (como si auto camión pasara por la calle y vibrará). Se fue y segundos después volvió.  
La Rioja (47.1 km SSW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging
Chilecito (81.7 km W of epicenter) [Map] / Weak shaking (MMI III)
La Rioja, Argentina (46.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / 5-10 s : I feel  
Rioja, Departamento de Capital (48.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) : Senti como si sacudieran mi cama  
La rioja capital (43.1 km SSW of epicenter) [Map] / Weak shaking (MMI III) / both vertical and horizontal swinging / 15-20 s : Estaba acostado.  
Chilecito (86 km WSW of epicenter) [Map] / Weak shaking (MMI III)
La rioja capital (47.1 km SSW of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 10-15 s
San fernando (104.1 km NE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
San Blas de los Sauces- La Rioja (80.2 km NW of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / 15-20 s
Catamarca capital (105.8 km NE of epicenter) [Map] / Very weak shaking (MMI II) : Estaba en cama sin dormir y sentí el tembló que duró bastante  
Rioja, Departamento de Capital (46.3 km SSW of epicenter) [Map] / not felt
Icaño la paz (130.1 km E of epicenter) [Map] / Very weak shaking (MMI II) / complex motion difficult to describe / 2-5 s : Estaba acostada  
Bario Conchagasta, La Rioja (LR) / not felt
Capital, la Rioja / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Vibraban las ventanas del balcón de mi departamento  
Aimogasta / Moderate shaking (MMI V) / 2-5 s : im sleeping  
Chilecito / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Un ruido seguido de un movimiento brusco, se movió fuerte mí cama...  
Chilecito la Rioja / Very weak shaking (MMI II) / rattling, vibrating
Famatina / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
La Rioja / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
La Rioja Argentina / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
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