Strong mag. 6.3 earthquake - 51 Km Al NO De Quillagua (Chile) on Friday, 11 September 2020 - information

Strong mag. 6.3 earthquake - Tamarugal, Tarapaca, 86 km north of Tocopilla, Antofagasta, Chile, on 04:35:56 11 sep 2020

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Strong mag. 6.3 earthquake - Tamarugal, Tarapaca, 86 km north of Tocopilla, Antofagasta, Chile, on 04:35:56 11 sep 2020

Strong magnitude 6.3 earthquake at 54 km depth

11 Sep 07:40 UTC: First to report: GFZ after 4 minutes.
11 Sep 07:42: Magnitude recalculated from 6.8 to 6.5. Hypocenter depth recalculated from 30.0 to 51.0 km (from 18.6 to 32 mi). Epicenter location corrected by 43 km (27 mi) towards E.
... [show all] ...
11 Sep 08:04: Hypocenter depth recalculated from 54.2 to 54.4 km (from 34 to 34 mi).
Update Fri, 11 Sep 2020, 08:15
3rd large quake within 14 days
Recent quakes above magnitude 6 in Chile (past 14 days)
Recent quakes above magnitude 6 in Chile (past 14 days)
Today's earthquake is the second within a week and the 3rd of the recent series of larger earthquakes along Chile's western coast, following the magnitude 7 quake north of Huasco on 1 Sep and the similar 6.3 quake near Tongoy on 6 Sep.
This clustering suggests that currently, stress accumulated along the continental margin where the Pacific Nazca plate descends eastwards under the South American plate is currently being released along neighboring segments. As a conclusion, if this trend continues, one could expect similar earthquakes either to the south or to the north of this region in a near future.
Update Fri, 11 Sep 2020, 08:03
Reports have started to arrive, indicating that the quake could be felt as weak shaking in more than 250 km distance. Fortunately, there are no major towns in the most affected areas and there are no reports of injuries or damages so far.
This is how a surveillance camera recorded the quake at Iquique, approx. 137 km distant from the epicenter:
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Earthquake data

Date & time: Sep 11, 2020 07:35:56 UTC -
Local time at epicenter: 04:35:56 11 sep 2020
Magnitude: 6.3
Depth: 54.4 km
Epicenter latitude / longitude: 21.363°S / 69.907°W (Tamarugal, Tarapaca, Chile)
Antipode: 21.363°N / 110.093°E
Nearest volcano: Aucanquilcha (136 km / 85 mi)
Nearby towns and cities:
86 km (54 mi) NNE of Tocopilla (Antofagasta) (pop: 24,500) --> See nearby quakes!
130 km (81 mi) SSE of Iquique (pop: 227,500) --> See nearby quakes!
158 km (98 mi) NW of Calama (Antofagasta) (pop: 143,100) --> See nearby quakes!
246 km (153 mi) NW of San Pedro de Atacama (Antofagasta) (pop: 2,000) --> See nearby quakes!
260 km (161 mi) N of Antofagasta (pop: 309,800) --> See nearby quakes!
324 km (201 mi) S of Arica (Arica y Parinacota) (pop: 186,000) --> See nearby quakes!
374 km (233 mi) S of Tacna (Peru) (pop: 280,100) --> See nearby quakes!
469 km (292 mi) SW of Huanuni (Pantaleón Dalence, Oruro, Bolivia) (pop: 15,500) --> See nearby quakes!
474 km (295 mi) SW of Oruro (Bolivia) (pop: 208,700) --> See nearby quakes!
477 km (296 mi) SW of Llallagua (Rafael Bustillo, Potosí, Bolivia) (pop: 28,100) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) 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
6.354 km51 Km Al NO De Quillagua (Chile)GUG (U. Chile)
6.358 kmCHILE (Argentina)INPRES
6.345 kmTarapaca, ChileEMSC
6.642 kmNorthern ChileBMKG
6.351 km83 Km NNE of Tocopilla, ChileUSGS
6.342 kmNorthern ChileGeoAu
6.246 kmNorthern ChileGFZ
6.320 kmNorthern Chile [Land: Chile]INGV
6.316 kmNorthern ChileUSP
6.241 km349 Km Al Sur De Tacna, Tacna - Tacna (Chile)IGP

User reports for this quake (63)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Santiago , La Reina (1344.9 km S of epicenter) [Map] / not felt
Calama, chile (161.5 km SE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
San Pedro de Atacama (246.7 km SE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Iquique, Tarapacá (125.6 km N of epicenter) [Map] / Moderate shaking (MMI V)
Antofagasta (262.9 km S of epicenter) [Map] / Moderate shaking (MMI V) / 20-30 s
I (126.7 km N of epicenter) [Map] / Very strong shaking (MMI VII) / complex motion difficult to describe
Antofagasta (262.6 km S of epicenter) [Map] / Light shaking (MMI IV) : Largo temblor. (reported through our app)  
Quillagua (50 km SE of epicenter) [Map] / Very strong shaking (MMI VII)
near Antofagasta (242.5 km S of epicenter) [Map] / Light shaking (MMI IV)
Antofagasta (262 km S of epicenter) [Map] / Weak shaking (MMI III) : Bastante largo..en momentos tendia a parar y después continuaba  
San Pedro de Atacama (245.6 km SE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 20-30 s (reported through our app)
Calama, Provincia de El Loa, Antofagasta (159.8 km SE of epicenter) [Map] / Strong shaking (MMI VI) / horizontal (sideways) swinging (reported through our app)
Pozo Almonte / Strong shaking (MMI VI) / horizontal (sideways) swinging / 15-20 s : Fue un movimiento que se sintió sin previo aviso (no se sintió ruido previo) el cual inició fuerte y aumentó su intensidad a la mitad | 4 users found this interesting.  
Iquique / Moderate shaking (MMI V) / rattling, vibrating : People and animals alarmed, the Windows don't stop sound,It didn't stop immediately, it followed the movement and the sound. | 3 users found this interesting.  
Iquique / Strong shaking (MMI VI) : Se Sentio un ruido breve antes del sismo, comenzó fuerte, quedó moviendo de más suave y luego fuerte renuevo. De larga duración, los perros se alarmaron y mi casa los ventanales crujían | 2 users found this interesting.  
Pozo almonte / Very strong shaking (MMI VII) / both vertical and horizontal swinging : Temblor muy fuerte. Pensé que era terremoto. Pero acostumbrados a los sismos. Mucho ruido también. Ruido superficial no profundo. Movimientos verticales y horizontales. Contiguo se sintió otro movimiento más leve pero largo. Mi familia y yo estamos bi | One user found this interesting.  
iquique chile / Moderate shaking (MMI V) : Woke up, long one, one thing tipped over on dresser | One user found this interesting.  
Sierra Gorda, región de Antofagasta / Moderate shaking (MMI V) : woke me up so it was strong. | One user found this interesting.  
Alto Hospicio / Strong shaking (MMI VI) / rattling, vibrating
Iquique / Moderate shaking (MMI V) / horizontal (sideways) swinging
Iquique / Light shaking (MMI IV) / 20-30 s
Copiapó, Region de Atacama, Chile / Very weak shaking (MMI II) : Movimiento circular, puertas de los armarios se balancean suavemente  
Iquique / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s
Sierra Gorda, región de Antofagasta / Moderate shaking (MMI V) : woke me up so it was strong.  
San Pedro de Atacama / Strong shaking (MMI VI)
Iquique / Strong shaking (MMI VI) / horizontal (sideways) swinging
Calama / Very strong shaking (MMI VII) / single lateral shake / 20-30 s
Calama / Strong shaking (MMI VI) / vertical swinging (up and down)
iquique / Strong shaking (MMI VI)
iquique / Strong shaking (MMI VI) / rattling, vibrating
San pedro de atacama / Moderate shaking (MMI V) / simple rolling (tilting sideways along one direction) / 20-30 s
Antofagasta / Light shaking (MMI IV) / horizontal (sideways) swinging
Iquique / Moderate shaking (MMI V) / horizontal (sideways) swinging
Antofagasta / Light shaking (MMI IV) / 2-5 s : Me desperté, la cama comenzó a moverse y sonaba  
Calama, chile / Strong shaking (MMI VI) / 20-30 s
Iquique / Strong shaking (MMI VI) / vertical swinging (up and down) / 20-30 s
Calama / Strong shaking (MMI VI)
Calama / Strong shaking (MMI VI) / horizontal (sideways) swinging / 20-30 s
Pozo Almonte (Chile, 127 km N of epicenter) : Muy fuerte en Pozo Almonte. (reported through EMSC)  
Tocopilla (Chile, 87 km SW of epicenter) : Por el shoa fue de 6.8 grados richter (reported through EMSC)  
Antofagasta (Chile, 257 km S of epicenter) : Fuerte, largo, movimiento horizontal (reported through EMSC)  
Arequipa (Peru, 583 km NW of epicenter) : Arequipa (reported through EMSC)  
Tacna (Peru, 378 km NW of epicenter) : Fuerte y largo. (reported through EMSC)  
Tacna (Peru, 378 km NW of epicenter) : Si sintió en Tacna Perú también (reported through EMSC)  
Arica (Chile, 328 km NW of epicenter) : Mucho movimiento en Arica (reported through EMSC)  
Antofagasta (Chile, 257 km S of epicenter) : Fue fuerte (reported through EMSC)  
Antofagasta (Chile, 257 km S of epicenter) : Gran sonido subterráneo del cual me despierto por los ladridos de los perros.Se percibe muy sueve (reported through EMSC)  
Antofagasta (Chile, 257 km S of epicenter) : sismo suave y con poco ruido y de corta duracion (reported through EMSC)  
Antofagasta (Chile, 257 km S of epicenter) : Harto movimiento con ruido (reported through EMSC)  
Antofagasta (Chile, 256 km S of epicenter) : Movimiento por 30 seg (reported through EMSC)  
Calama (Chile, 147 km SE of epicenter) : Fuerte y largo (reported through EMSC)  
Calama (Chile, 147 km SE of epicenter) : Harto ruido y movimiento (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : Fue fuerte, sacudida de cosas, pero nada cayo.. (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : Sono fuerte y largo (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : En Iquique se sintió largo y bastante fuerte (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : Largo y con mucho ruido (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : Fue mucha vibracion en vez de movimiento, fue de inusual duración (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : Sismo muy largo y ruidoso se sintió en Iquique (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : Muy largo (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : Muy fuerte y largo (reported through EMSC)  
Iquique (Chile, 137 km NW of epicenter) : Fuerte (reported through EMSC)  
Iquique (Chile, 134 km NW of epicenter) : Vibración moderada y mucho ruido subterráneo (reported through EMSC)  
Iquique (Chile, 134 km NW of epicenter) : I was sleeping and the earthquake woke me up. I live in a apartment at the 8th floor. It was a very long movement but anything felt off. (reported through EMSC)  
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Aftershocks

[More info]

Recorded aftershocks, latest first (247 quakes)

  • 08 Mar 2021 19:16 UTC
    | M 2.8 |
    79.1 km (49.2 mi) depth
    |
    73 km (45 mi) distance
    | GUG (U. Chile) | Details
  • 08 Mar 2021 17:25 UTC
    | M 3.8 |
    69.2 km (43 mi) depth
    |
    65 km (41 mi) distance
    | GUG (U. Chile) | Details
  • 07 Mar 2021 17:36 UTC
    | M 2.6 |
    24.4 km (15.2 mi) depth
    |
    21 km (13 mi) distance
    | GUG (U. Chile) | Details
  • 07 Mar 2021 10:24 UTC
    | M 2.5 |
    31.7 km (19.7 mi) depth
    |
    70 km (43 mi) distance
    | GUG (U. Chile) | Details
  • 03 Mar 2021 10:25 UTC
    | M 2.7 |
    72.7 km (45.2 mi) depth
    |
    56 km (35 mi) distance
    | GUG (U. Chile) | Details
  • 25 Feb 2021 03:45 UTC
    | M 3.4 |
    67.6 km (42 mi) depth
    |
    40 km (25 mi) distance
    | GUG (U. Chile) | Details
  • 24 Feb 2021 12:18 UTC
    | M 3.7 |
    100.1 km (62.2 mi) depth
    |
    85 km (53 mi) distance
    | GUG (U. Chile) | Details
  • 23 Feb 2021 04:23 UTC
    | M 2.7 |
    65.4 km (40.6 mi) depth
    |
    71 km (44 mi) distance
    | GUG (U. Chile) | Details
  • 21 Feb 2021 10:54 UTC
    | M 3.3 |
    91.2 km (56.7 mi) depth
    |
    78 km (48 mi) distance
    | GUG (U. Chile) | Details
  • 21 Feb 2021 02:29 UTC
    | M 3.3 |
    31.7 km (19.7 mi) depth
    |
    50 km (31 mi) distance
    | GUG (U. Chile) | Details
  • 20 Feb 2021 03:23 UTC
    | M 3.5 |
    53.2 km (33.1 mi) depth
    |
    63 km (39 mi) distance
    | GUG (U. Chile) | Details
  • 20 Feb 2021 01:31 UTC
    | M 2.5 |
    57.7 km (35.9 mi) depth
    |
    35 km (22 mi) distance
    | GUG (U. Chile) | Details
  • 20 Feb 2021 00:52 UTC
    | M 2.5 |
    75.9 km (47.2 mi) depth
    |
    41 km (25 mi) distance
    | GUG (U. Chile) | Details
  • 19 Feb 2021 23:38 UTC
    | M 2.6 |
    42.2 km (26.2 mi) depth
    |
    76 km (47 mi) distance
    | GUG (U. Chile) | Details
  • 16 Feb 2021 16:51 UTC
    | M 3.4 |
    23.3 km (14.5 mi) depth
    |
    25 km (16 mi) distance
    | GUG (U. Chile) | Details
  • 14 Feb 2021 21:09 UTC
    | M 3.9 |
    48.7 km (30.3 mi) depth
    |
    14 km (8 mi) distance
    | GUG (U. Chile) | Details
  • Show all

Earlier earthquakes in the same area

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