Weak mag. 2.8 earthquake - 64 km southwest of Vinchina, La Rioja, Argentina, on Friday, Nov 26, 2021 at 6:42 am (GMT -3) -

Weak magnitude 2.8 earthquake at 6 km depth
26 Nov 09:48 UTC: First to report: INPRES after 6 minutes.
26 Nov 11:00: Magnitude recalculated from 2.7 to 2.8. Hypocenter depth recalculated from 10.0 to 6.0 km (from 6.2 to 3.7 mi). Epicenter location corrected by 6.2 km (3.9 mi) towards SW.
26 Nov 11:00: Magnitude recalculated from 2.7 to 2.8. Hypocenter depth recalculated from 10.0 to 6.0 km (from 6.2 to 3.7 mi). Epicenter location corrected by 6.2 km (3.9 mi) towards SW.
Local time at epicenter: Friday, Nov 26, 2021 at 6:42 am (GMT -3)
Magnitude: 2.8
Depth: 6.0 km
Epicenter latitude / longitude: 29.221°S / 68.594°W

Antipode: 29.221°N / 111.406°E
Nearest volcano: Tipas (225 km / 140 mi)
Nearby towns and cities:
64 km (40 mi) SW of Vinchina (pop: 2,830) --> See nearby quakes!
170 km (106 mi) W of Rioja (pop: 162,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
16°C (61 F), humidity: 36%, wind: 1 m/s (1 kts) from ENE
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 | 6 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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