Strong mag. 6.3 earthquake - Chile-Argentina Border Region on Saturday, 15 April 2017 - information

Strong mag. 6.3 earthquake - El Loa, 55 km southeast of San Pedro de Atacama, Provincia de El Loa, Antofagasta, Chile, on Saturday, April 15, 2017 at 08:19 (GMT)

Strong mag. 6.3 earthquake - El Loa, 55 km southeast of San Pedro de Atacama, Provincia de El Loa, Antofagasta, Chile, on Saturday, April 15, 2017 at 08:19 (GMT)

Strong magnitude 6.3 earthquake at 153 km depth

15 Apr 08:23 UTC: First to report: GFZ after 3 minutes.
Apr 15 08:25: Magnitude recalculated from 6.2 to 6.0.
Hypocenter depth recalculated from 208.0 to 152.0 km.
Hypocenter depth recalculated from 152.0 to 137.0 km.
Apr 15 08:35: Magnitude recalculated from 6.0 to 6.3.
Hypocenter depth recalculated from 137.0 to 153.0 km.
Date & time: Apr 15, 2017 08:19:44 UTC
Magnitude: 6.3
Depth: 153.0 km
Epicenter latitude / longitude: 23.2°S / 67.76°W (El Loa, Antofagasta, Chile)
Antipode: 23.2°N / 112.24°E
Nearest volcano: Lascar (1 km / 1 mi)
Nearby towns and cities:
55 km (34 mi) SE of San Pedro de Atacama (pop: 2,000) --> See nearby quakes!
145 km (90 mi) SE of Calama (pop: 143,100) --> See nearby quakes!
254 km (158 mi) WSW of Villazon (Modesto Omiste, Potosí, Bolivia) (pop: 30,300) --> See nearby quakes!
274 km (170 mi) E of Antofagasta (pop: 309,800) --> See nearby quakes!
274 km (170 mi) WNW of Jujuy (Argentina) (pop: 305,900) --> See nearby quakes!
279 km (173 mi) ESE of Tocopilla (pop: 24,500) --> See nearby quakes!
285 km (177 mi) WNW of Palpala (Jujuy, Argentina) (pop: 48,200) --> See nearby quakes!
297 km (184 mi) NW of Salta (Argentina) (pop: 512,700) --> See nearby quakes!
363 km (225 mi) WSW of Tarija (Bolivia) (pop: 159,300) --> See nearby quakes!
414 km (257 mi) SE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
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
6.3153 kmChile-Argentina Border RegionGFZ
6.3129 km ANTOFAGASTA, CHILEEMSC
6.2157 km39 km al SE de San Pedro de AtacamaGUG (U. Chile)
6.2135 km- 67km ESE of San Pedro de Atacama, ChileUSGS
6.2105 kmChile-Argentina Border RegionGeoAu
shake map
(shakemap: USGS)

User reports for this quake (12)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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30 km of Calama, Provincia de El Loa, Antofagasta (159.5 km NW of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Diego de almagro (422.9 km SSW of epicenter) [Map] / Very weak shaking (MMI II) : R (reported through our app)  
Diego de almagro (422.9 km SSW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Lo Prado, Provincia de Santiago, Santiago Metropolitan (1172.2 km SSW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
San Pedro de Atacama, Provincia de El Loa, Antofagasta (55.1 km NW of epicenter) [Map] / Light shaking (MMI IV)
Antofagasta ciudad (273.6 km WSW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
San Pedro de Atacama (Chile, 52 km NW of epicenter) : Me despertó! (reported through EMSC)  
Pozo Hondo (Paraguay, 529 km E of epicenter) : Se sintio levemente. (reported through EMSC)  
Antofagasta (Chile, 294 km W of epicenter) : Bastante mas fuerte que el de ayer y con mas ruido tambienMe desperto (reported through EMSC)  
San Pedro de Atacama (Chile, 72 km NW of epicenter) : Movimiento ondulante (reported through EMSC)  
Antofagasta (Chile, 277 km W of epicenter) : Mas fuerte que el de ayer Me desperto 2do piso casa solida (reported through EMSC)  
Socaire (Chile, 39 km SW of epicenter) : Very, very strong quake... (reported through EMSC)  
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Aftershocks

More info

Recorded aftershocks, latest first (29 quakes)

  • 04 Oct 2017 03:02 UTC
    | M 4.7 |
    133 km (82.6 mi) depth
    |
    49 km (30 mi) distance
    | GFZ | Details
  • 26 Sep 2017 23:29 UTC
    | M 2.8 |
    126.8 km (78.8 mi) depth
    |
    41 km (25 mi) distance
    | GUG (U. Chile) | Details
  • 18 Sep 2017 00:25 UTC
    | M 3.4 |
    139.1 km (86.4 mi) depth
    |
    58 km (36 mi) distance
    | GUG (U. Chile) | Details
  • 16 Sep 2017 20:14 UTC
    | M 4.6 |
    258 km (160.3 mi) depth
    |
    79 km (49 mi) distance
    | GUG (U. Chile) | Details
  • 15 Sep 2017 21:59 UTC
    | M 3.6 |
    141.7 km (88 mi) depth
    |
    31 km (20 mi) distance
    | GUG (U. Chile) | Details
  • 06 Sep 2017 13:03 UTC
    | M 3.7 |
    122 km (75.8 mi) depth
    |
    59 km (37 mi) distance
    | EMSC | Details
  • 03 Sep 2017 02:40 UTC
    | M 2.7 |
    139.7 km (86.8 mi) depth
    |
    84 km (52 mi) distance
    | GUG (U. Chile) | Details
  • 23 Aug 2017 10:55 UTC
    | M 2.8 |
    144.8 km (90 mi) depth
    |
    51 km (32 mi) distance
    | GUG (U. Chile) | Details
  • 14 Aug 2017 03:19 UTC
    | M 3.1 |
    142 km (88.2 mi) depth
    |
    14 km (9 mi) distance
    | EMSC | Details
  • 11 Aug 2017 11:30 UTC
    | M 4.5 |
    145 km (90.1 mi) depth
    |
    17 km (10 mi) distance
    | GFZ | Details
  • 06 Aug 2017 05:04 UTC
    | M 3.3 |
    138 km (85.7 mi) depth
    |
    41 km (25 mi) distance
    | EMSC | Details
  • 27 Jul 2017 19:51 UTC
    | M 2.4 |
    116.3 km (72.3 mi) depth
    |
    57 km (35 mi) distance
    | GUG (U. Chile) | Details
  • 26 Jul 2017 06:30 UTC
    | M 3.5 |
    127 km (78.9 mi) depth
    |
    50 km (31 mi) distance
    | EMSC | Details
  • 26 Jul 2017 00:53 UTC
    | M 2.8 |
    94.9 km (59 mi) depth
    |
    85 km (53 mi) distance
    | GUG (U. Chile) | Details
  • 20 Jul 2017 05:46 UTC
    | M 4.1 |
    120 km (74.6 mi) depth
    |
    46 km (28 mi) distance
    | EMSC | Details
  • 14 Jul 2017 19:35 UTC
    | M 3.2 |
    145.5 km (90.4 mi) depth
    |
    58 km (36 mi) distance
    | GUG (U. Chile) | Details
  • Show all

Earlier earthquakes in the same area

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