Minor mag. 2.8 earthquake - 95 km west of Chilecito, La Rioja, Argentina, on Friday, Nov 26, 2021 at 7:37 pm (GMT -3) -


Minor magnitude 2.8 earthquake at 103 km depth
26 Nov 22:58 UTC: First to report: INPRES after 21 minutes.
Local time at epicenter: Friday, Nov 26, 2021 at 7:37 pm (GMT -3)
Magnitude: 2.8
Depth: 103.0 km
Epicenter latitude / longitude: 29.106°S / 68.474°W

Antipode: 29.106°N / 111.526°E
Nearest volcano: Tipas (212 km / 132 mi)
Nearby towns and cities:
46 km (29 mi) SSW of Vinchina (pop: 2,830) --> See nearby quakes!
95 km (59 mi) W of Chilecito (pop: 42,200) --> See nearby quakes!
161 km (100 mi) W of Rioja (pop: 162,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
23.1°C (74 F), humidity: 20%, wind: 3 m/s (7 kts) from SSE
Primary data source: INPRES
Clear Sky

Estimated released energy: 1 x 109 joules (278 kilowatt hours, equivalent to 0.239 tons of TNT) | about seismic energy
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. | Depth | Location | Source |
2.8 | 103 km | LA RIOJA (Argentina) | INPRES |
User reports for this quake
At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
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