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Minor mag. 2.8 earthquake - Region de Arica y Parinacota, Chile, 96 km east of Tacna, Peru, on Monday, Nov 1, 2021 at 6:18 am (GMT -3) -

Minor magnitude 2.8 earthquake at 136 km depth

1 Nov 09:30 UTC: First to report: EMSC after 12 minutes.

Earthquake details

Date & time	Nov 1, 2021 09:18:12 UTC -
Local time at epicenter	Monday, Nov 1, 2021 at 6:18 am (GMT -3)
Status	Confirmed
Magnitude	2.8
Depth	136.0 km
Epicenter latitude / longitude	18.18°S / 69.36°W (Provincia de Parinacota, Region de Arica y Parinacota, Chile)
Antipode	18.18°N / 110.64°E
Shaking intensity	Not felt
Felt
Primary data source	EMSC (European-Mediterranean Seismological Centre)
Nearest volcano	Taapaca (17 km / 11 mi)
Nearby towns and cities	75 km (47 mi) SSE of Alto Peru (Tacna, Peru) (pop: 85) \| Show on map \| Quakes nearby 82 km (51 mi) SE of Caplina (Tacna, Peru) (pop: 211) \| Show on map \| Quakes nearby 88 km (55 mi) ESE of Calientes (Tacna, Peru) (pop: 231) \| Show on map \| Quakes nearby 91 km (57 mi) ESE of Catana (Tacna, Peru) (pop: 875) \| Show on map \| Quakes nearby 96 km (60 mi) E of Tacna (Peru) (pop: 280,100) \| Show on map \| Quakes nearby 104 km (65 mi) ENE of Arica (pop: 186,000) \| Show on map \| Quakes nearby 106 km (66 mi) SE of Tarata (Tacna, Peru) (pop: 3,050) \| Show on map \| Quakes nearby 118 km (74 mi) SE of Chipispaya (Tacna, Peru) (pop: 1,930) \| Show on map \| Quakes nearby 123 km (76 mi) SE of Chuquitira (Tacna, Peru) (pop: 4,220) \| Show on map \| Quakes nearby 135 km (84 mi) SE of Quilahuani (Tacna, Peru) (pop: 3,180) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds -0.4°C (31 F), humidity: 15%, wind: 1 m/s (2 kts) from SW
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	136 km	TARAPACA, CHILE	EMSC

Most recent quakes Top 20 past 24 hrs Quakes in Peru

Seismograms

Seismic station: Chusmiza, Chile (GO01/C network) | Distance from quake: 166 km / 103 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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