Light mag. 4.0 earthquake - Tamarugal, 110 km east of Iquique, Tarapaca, Chile, on 29 Jul 6:03 pm (GMT -4) -

Light mag. 4.0 earthquake - Tamarugal, 110 km east of Iquique, Tarapaca, Chile, on 29 Jul 6:03 pm (GMT -4)

Light magnitude 4.0 earthquake at 101 km depth

29 Jul 22:20 UTC: First to report: EMSC after 17 minutes.
29 Jul 22:22: Magnitude recalculated from 3.9 to 4.2. Hypocenter depth recalculated from 99.0 to 100.0 km (from 62 to 62 mi). Epicenter location corrected by 7.4 km (4.6 mi) towards W.
29 Jul 22:22: Now using data updates from GUG (U. Chile)
29 Jul 22:48: Magnitude recalculated from 3.9 to 4.0. Hypocenter depth recalculated from 98.9 to 101.4 km (from 61 to 63 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards NE.
Date & time: Jul 29, 2021 22:03:05 UTC -
Local time at epicenter: 29 Jul 6:03 pm (GMT -4)
Magnitude: 4
Depth: 101.4 km
Epicenter latitude / longitude: 20.492°S / 69.136°W (Tamarugal, Tarapaca, Chile)
Antipode: 20.492°N / 110.864°E
Nearest volcano: Irruputuncu (67 km / 42 mi)
Nearby towns and cities:
110 km (68 mi) ESE of Iquique (pop: 227,500) --> See nearby quakes!
209 km (130 mi) NNE of Tocopilla (Antofagasta) (pop: 24,500) --> See nearby quakes!
220 km (136 mi) N of Calama (Antofagasta) (pop: 143,100) --> See nearby quakes!
231 km (143 mi) W of Colchani (Potosí, Bolivia) (pop: 12,000) --> See nearby quakes!
241 km (150 mi) W of Uyuni (Antonio Quijarro, Potosí, Bolivia) (pop: 10,300) --> See nearby quakes!
255 km (159 mi) SSE of Arica (Arica y Parinacota) (pop: 186,000) --> See nearby quakes!
299 km (186 mi) SSE of Tacna (Peru) (pop: 280,100) --> See nearby quakes!
344 km (214 mi) SW of Huanuni (Pantaleón Dalence, Oruro, Bolivia) (pop: 15,500) --> See nearby quakes!
348 km (216 mi) SW of Oruro (Bolivia) (pop: 208,700) --> See nearby quakes!
353 km (219 mi) SW of Llallagua (Rafael Bustillo, Potosí, Bolivia) (pop: 28,100) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) More info
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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.DepthLocationSource
4.0101 kmChile: 20 Km Al E De PicaGUG (U. Chile)
4.2100 km102 Km ESE of Iquique, ChileUSGS
4.0101 kmTARAPACA, CHILEEMSC

User reports for this quake

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