Minor mag. 3.1 earthquake - Tarapaca, Chile, on Wednesday, Oct 20, 2021 at 11:42 pm (GMT -3) -


Minor magnitude 3.1 earthquake at 108 km depth
21 Oct 03:00 UTC: First to report: EMSC after 17 minutes.
Local time at epicenter: Wednesday, Oct 20, 2021 at 11:42 pm (GMT -3)
Magnitude: 3.1
Depth: 108.0 km
Epicenter latitude / longitude: 20.58°S / 69.15°W

Antipode: 20.58°N / 110.85°E
Nearest volcano: Irruputuncu (65 km / 40 mi)
Nearby towns and cities:
112 km (70 mi) ESE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
11°C (52 F), humidity: 22%, wind: 1 m/s (1 kts) from SE
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Clear Sky

Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 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 |
3.1 | 108 km | TARAPACA, CHILE | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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