Moderate mag. 5.4 earthquake - South Pacific Ocean, 72 km southwest of Taltal, Provincia de Antofagasta, Chile, on Saturday, 22 September 2018 at 13:13 (GMT)

Moderate mag. 5.4 earthquake - South Pacific Ocean, 72 km southwest of Taltal, Provincia de Antofagasta, Chile, on Saturday, 22 September 2018 at 13:13 (GMT)

Moderate magnitude 5.4 earthquake at 10 km depth

22 Sep 13:18 UTC: First to report: GFZ after 5 minutes.
Sep 22 13:20: Magnitude recalculated from 5.5 to 5.3.
Sep 22 13:29: Magnitude recalculated from 5.3 to 5.4.
Date & time: 22 Sep 2018 13:13:57 UTC
Magnitude: 5.4
Depth: 10.0 km
Epicenter latitude / longitude: 25.92°S / 70.92°W (South Pacific Ocean, Chile)
Nearest volcano: Copiapo (235 km / 146 mi)
Nearby towns and cities:
72 km (45 mi) SW of Taltal (Antofagasta) (pop: 10,000) --> See nearby quakes!
839 km (521 mi) N of Santiago (pop: 4,837,300) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 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.
MagnitudeDepthLocationSource
M 5.410 kmNear Coast of Northern ChileGFZ
M 5.45 km OFFSHORE ANTOFAGASTA, CHILEEMSC
M 5.1 kmOff Coast of Northern ChileGeoAu
M 5.539 km33 km al NE de Chañaral.GUG (U. Chile)
M 5.429 km- 77km SW of Taltal, ChileUSGS

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Antofagasta (Chile, 259 km N of epicenter) : Solo me enteré por la App. (reported through EMSC)
Copiapó (Chile, 162 km S of epicenter) : Chile, Copiapo, Atacama, pede ser grado 4 o 5 con 45 segundos de duración o mas (reported through EMSC)
Caldera (Chile, 125 km S of epicenter) : Sé sintió como una lavadora centrifugando muy fuerte (reported through EMSC)
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Aftershocks of the 5.4 quake South Pacific Ocean, 72 km southwest of Taltal, Provincia de Antofagasta, Chile, 22 September 2018 13:13 GMT

More info
Recorded aftershocks, latest first (4 quakes):
  • 05 Nov 2018 07:06 UTC
    | M 2.8 |
    51.4 km (31.9 mi) depth
    |
    30 km (19 mi) distance
    | GUG (U. Chile) | Details
  • 11 Oct 2018 17:25 UTC
    | M 2.8 |
    42.4 km (26.3 mi) depth
    |
    19 km (12 mi) distance
    | GUG (U. Chile) | Details
  • 08 Oct 2018 07:07 UTC
    | M 2.5 |
    43.4 km (27 mi) depth
    |
    29 km (18 mi) distance
    | GUG (U. Chile) | Details
  • 24 Sep 2018 05:58 UTC
    | M 2.8 |
    41.9 km (26 mi) depth
    |
    27 km (17 mi) distance
    | GUG (U. Chile) | Details

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Earlier earthquakes in the same area

Moderate mag. 5.4 earthquake - South Pacific Ocean, 72 km southwest of Taltal, Provincia de Antofagasta, Chile, on Saturday, 22 September 2018 at 13:13 (GMT)
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