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Minor mag. 2.8 earthquake - Oruro, 144 km east of Arica, Region de Arica y Parinacota, Chile, on Friday, Aug 6, 2021 at 9:42 am (GMT -4)

Minor magnitude 2.8 earthquake at 163 km depth

6 Aug 14:05 UTC: First to report: EMSC after 23 minutes.

Earthquake details

Date & time	Aug 6, 2021 13:42:49 UTC
Local time at epicenter	Friday, Aug 6, 2021 at 9:42 am (GMT -4)
Status	Confirmed
Magnitude	2.8
Depth	163.0 km
Epicenter latitude / longitude	18.06°S / 69.01°W (Oruro, Chile)
Antipode	18.06°N / 110.99°E
Shaking intensity	Not felt
Felt
Primary data source	EMSC (European-Mediterranean Seismological Centre)
Nearest volcano	Parinacota (19 km / 12 mi)
Nearby towns and cities	85 km (53 mi) SE of Ancomarca (Provincia de Tacna, Peru) (pop: 76) \| Show on map \| Quakes nearby 89 km (55 mi) SE of Alto Peru (Tacna, Peru) (pop: 85) \| Show on map \| Quakes nearby 90 km (56 mi) SE of Siquine (Tacna, Peru) (pop: 19) \| Show on map \| Quakes nearby 106 km (66 mi) ESE of Caplina (Tacna, Peru) (pop: 211) \| Show on map \| Quakes nearby 113 km (70 mi) SE of Kallapuma (Tacna, Peru) (pop: 62) \| Show on map \| Quakes nearby 125 km (77 mi) SE of Challapalca (Puno, Peru) (pop: 168) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 4.1°C (39 F), humidity: 8%, wind: 1 m/s (1 kts) from W
Estimated seismic energy released	1 x 10⁹ joules (278 kilowatt hours, equivalent to 0.239 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.	Depth	Location	Source
2.8	163 km	ORURO, BOLIVIA	EMSC
2.8	163 km	Bolivia: 60 Km Al E De Putre	GUG (U. Chile)

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Seismograms

Seismic station: Chusmiza, Chile (GO01/C network) | Distance from quake: 180 km / 112 mi | Show on map | Station Info

Seismic station Chusmiza, 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. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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.

There are no user reports for this quake.

Earlier earthquakes in the same area

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