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Minor mag. 3.6 earthquake - La Rioja, 32 km south of Tinogasta, Catamarca, Argentina, on Tuesday, Jan 31, 2023 at 1:59 am (GMT -3) -

Minor mag. 3.6 earthquake - La Rioja, 32 km south of Tinogasta, Catamarca, Argentina, on Tuesday, Jan 31, 2023 at 1:59 am (GMT -3) Minor mag. 3.6 earthquake - La Rioja, 32 km south of Tinogasta, Catamarca, Argentina, on Tuesday, Jan 31, 2023 at 1:59 am (GMT -3)

Minor magnitude 3.6 earthquake at 131 km depth

31 Jan 05:07 UTC: First to report: EMSC after 8 minutes.

Earthquake details

Date & timeJan 31, 2023 04:59:30 UTC -
Local time at epicenterTuesday, Jan 31, 2023 at 1:59 am (GMT -3)
Depth131.0 km
Epicenter latitude / longitude28.35°S / 67.59°W (Departamento de Famatina, La Rioja, Argentina)
Antipode28.35°N / 112.41°E
Shaking intensityNot felt
Primary data sourceEMSC (European-Mediterranean Seismological Centre)
Nearest volcanoTipas (159 km / 99 mi)
Nearby towns and cities32 km (20 mi) S of Tinogasta (Catamarca) (pop: 14,500) | Show on map | Quakes nearby
75 km (47 mi) S of Fiambala (Catamarca) (pop: 8,060) | Show on map | Quakes nearby
76 km (47 mi) NE of Vinchina (pop: 2,830) | Show on map | Quakes nearby
82 km (51 mi) WNW of Arauco (pop: 13,700) | Show on map | Quakes nearby
84 km (52 mi) SSW of Londres (Catamarca) (pop: 2,630) | Show on map | Quakes nearby
91 km (56 mi) N of Chilecito (pop: 42,200) | Show on map | Quakes nearby
138 km (86 mi) NNW of Rioja (pop: 162,600) | Show on map | Quakes nearby
177 km (110 mi) W of San Fernando del Valle de Catamarca (pop: 188,800) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 23.9°C (75 F), humidity: 64%, wind: 2 m/s (4 kts) from SE
Estimated seismic energy released1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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.
4.4171 kmLa Rioja Province, ArgentinaRaspberryShake


Seismic station: El Transito (AC05/C1 network) | Distance from quake: 268 km / 166 mi | Show on map | Station Info
Seismic station El Transito: 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. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Tinogasta provincia Catamarca (32.9 km N of epicenter) [Map] / Moderate shaking (MMI V) : Movimiento doble sacudon  

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