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Moderate mag. 5.9 earthquake - Northern Chile on Friday, 17 July 2020 - information

Moderate mag. 5.9 earthquake - 21 km southeast of Iquique, Tarapaca, Chile, on Friday, July 17, 2020 at 05:40 GMT

Moderate mag. 5.9 earthquake - 21 km southeast of Iquique, Tarapaca, Chile, on Friday, July 17, 2020 at 05:40 GMT Moderate mag. 5.9 earthquake - 21 km southeast of Iquique, Tarapaca, Chile, on Friday, July 17, 2020 at 05:40 GMT

Moderate magnitude 5.9 earthquake at 73 km depth

17 Jul 05:45 UTC: First to report: GFZ after 4 minutes.
Jul 17 05:46: Magnitude recalculated from 5.8 to 5.7.
Hypocenter depth recalculated from 56.0 to 79.0 km.
Jul 17 05:50: Magnitude recalculated from 5.7 to 6.0.
Hypocenter depth recalculated from 79.0 to 73.0 km.
Jul 17 06:54: Magnitude recalculated from 6.0 to 5.9.

Earthquake details

Date & timeJul 17, 2020 05:40:35 UTC
Local time at epicenter
StatusConfirmed
Magnitude5.9
Depth73.0 km
Epicenter latitude / longitude20.3°S / 69.97°W (Iquique, Tarapaca, Chile)
Antipode20.3°N / 110.03°E
Shaking intensityStrong shaking
Felt42 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearest volcanoIrruputuncu (155 km / 96 mi)
Nearby towns and cities21 km (13 mi) ESE of Iquique (pop: 227,500) | Show on map | Quakes nearby
201 km (125 mi) N of Tocopilla (Antofagasta) (pop: 24,500) | Show on map | Quakes nearby
206 km (128 mi) S of Arica (Arica y Parinacota) (pop: 186,000) | Show on map | Quakes nearby
256 km (159 mi) S of Tacna (Peru) (pop: 280,100) | Show on map | Quakes nearby
263 km (164 mi) NNW of Calama (Antofagasta) (pop: 143,100) | Show on map | Quakes nearby
330 km (205 mi) SSE of Ilo (Moquegua, Peru) (pop: 53,500) | Show on map | Quakes nearby
360 km (223 mi) SSE of Moquegua (Peru) (pop: 54,500) | Show on map | Quakes nearby
375 km (233 mi) N of Antofagasta (pop: 309,800) | Show on map | Quakes nearby
393 km (244 mi) SW of Oruro (Bolivia) (pop: 208,700) | Show on map | Quakes nearby
516 km (320 mi) SW of Cochabamba (Bolivia) (pop: 900,400) | Show on map | Quakes nearby
Estimated seismic energy released4.5 x 1013 joules (12.4 gigawatt hours, equivalent to 10676 tons of TNT or 0.7 atomic bombs!) | 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.DepthLocationSource
5.973 kmNorthern ChileGFZ
5.880 kmCHILE (Argentina)INPRES
5.974 kmTarapaca, ChileEMSC
6.098 kmNorthern ChileGeoAu
5.974 km2 km SSE of Iquique, ChileUSGS
5.570 kmNorthern ChileBMKG
5.977 km4 km al NE de Alto Hospicio (Chile)GUG (U. Chile)
5.73.1 kmNorthern Chile [Land: Chile]INGV
5.936 kmNear Coast of Northern ChileUSP

Seismograms

Seismic station: Las Campanas Astronomical Observatory, Chile (LCO/IU network) | Distance from quake: 971 km / 604 mi | Show on map | Station Info
Seismic station Las Campanas Astronomical Observatory, 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (69)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Quemú Quemú, La Pampa, Argentina (1885.6 km SSE of epicenter) [Map] / Very weak shaking (MMI II) : Fue un pequeño temblor a las 6:10. Se sintió en mi localidad y las vecinas. Pensamos que fue una explosión de alguna fabrica, pero las autoridades locales ya avisaron que esta todo bien y que fue un pequeño temblor.  
Iquique (17.2 km WNW of epicenter) [Map] / Very strong shaking (MMI VII)
Arequipa (465.2 km NNW of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
33 km of Iquique, Tarapacá (32.5 km SW of epicenter) [Map] / Strong shaking (MMI VI) : Usualmente no siento mucho los temblores pero este estuvo fuerte y largo  
Arica, Provincia de Arica, Arica y Parinacota (208.9 km N of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Iquiqie (20 km WNW of epicenter) [Map] / Moderate shaking (MMI V)
Arica, Provincia de Arica, Arica y Parinacota (206 km N of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
xayma Arequipa (467.7 km NNW of epicenter) [Map] / Moderate shaking (MMI V)
Iquique (18.3 km WNW of epicenter) [Map] / Strong shaking (MMI VI) : Muy fuerte con ruido anormal fuerte  
Mollendo (423.9 km NNW of epicenter) [Map] / Moderate shaking (MMI V) : Fue de larga duración y con un sonido característico.  
Iquique, Tarapacá (17.8 km WNW of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Arica, Provincia de Arica, Arica y Parinacota (205.3 km N of epicenter) [Map] / Strong shaking (MMI VI) : Largo y mantuvo la magnitud,aproximadamente 5 grados richter (reported through our app)  
Arica, Provincia de Arica, Arica y Parinacota (204.2 km N of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Alto Hospicio / Strong shaking (MMI VI) : Se movió fuerte desde el primer segundo, no fue un sismo gradual. Intenso y movimiento de arriba abajo  
Iquique / Violent shaking (MMI IX) : Mucho ruido subterráneo, el sismo Duero mucho tiempo. Por mis experiencias estando en terremotos llegué a pensar que un terremoto estuvo a punto de iniciar pero luego comenzó a declinar  
Alto Hospicio, centro de la ciudad, en mi casa. / Strong shaking (MMI VI) : Estamos acostumbrados a los movimientos telúricos, pero este temblor, se sintió más fuerte que 5.7 o 5.9 según onemi.  
Pozo al monte / Very strong shaking (MMI VII)
Arica / Weak shaking (MMI III) : Lo sentí a las 1:20am estaba durmiendo, fue un leve movimiento. Pensé que aumentaría la magnitud.  
Alto Hospicio / Very strong shaking (MMI VII)
Alto Hospicio / Moderate shaking (MMI V)
Iquique / Very strong shaking (MMI VII)
Iquique chile / Strong shaking (MMI VI)
Arequipa / Moderate shaking (MMI V)
la consulta San Carlos Mendoza / Light shaking (MMI IV)
Iquique / Strong shaking (MMI VI) : it was super loud and very noisy like when an earthquake starts  
Iquique / Moderate shaking (MMI V)
IQUIQUE / Moderate shaking (MMI V) : TEMBLOR FUERTE QUE ME DEJO CON ADRENALINA COOL.  
Iquique / Very strong shaking (MMI VII)
Iquique chile / Strong shaking (MMI VI)
Iquique, Chile / Strong shaking (MMI VI) : Muy fuerte, largo y con mucho ruido, dificultad para levantarse  
Iquique, chile / Strong shaking (MMI VI)
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Aftershocks

[More info]

Recorded aftershocks, latest first (9 quakes)

Date and timeMag
Depth
LocationDetails
Aug 28, 2020 17:30
2 years ago - felt
4.5

64 km
40 km NE of Iquique, Tarapaca, ChileMore
Aug 23, 2020 06:16
2 years ago
3.9

52 km
52 km SE of Iquique, Tarapaca, ChileMore
Aug 15, 2020 19:42
2 years ago
3.5

49 km
15 km NE of Iquique, Tarapaca, ChileMore
Aug 11, 2020 18:42
2 years ago
2.7

44 km
50 km SE of Iquique, Tarapaca, ChileMore
Aug 2, 2020 17:09
2 years ago
2.8

46 km
South Pacific Ocean, 29 km SW of Iquique, Tarapaca, ChileMore
Jul 31, 2020 20:36
2 years ago
2.9

34 km
South Pacific Ocean, 13 km W of Iquique, Tarapaca, ChileMore
Jul 21, 2020 04:03
2 years ago
3.5

30 km
53 km S of Iquique, Tarapaca, ChileMore
Jul 19, 2020 16:52
2 years ago - felt
4.8

77 km
10.7 km SE of Iquique, Tarapaca, ChileMore
Jul 17, 2020 05:40
2 years ago
5.9

71 km
South Pacific Ocean, 4.1 km NW of Iquique, Tarapaca, ChileMore

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