Mag. 4.6 earthquake - Choapa, 28 km south of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Tuesday, 18 April 2017 at 12:33 (GMT)

Mag. 4.6 earthquake  - Choapa, 28 km south of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Tuesday, 18 April 2017 at 12:33 (GMT)

Light magnitude 4.6 earthquake at 51 km depth

18 Apr 12:43 UTC: First to report: GFZ after 10 minutes.
Apr 18 12:55: Magnitude recalculated from 4.9 to 4.8.
Hypocenter depth recalculated from 59.0 to 51.0 km.
Apr 18 13:02: Magnitude recalculated from 4.8 to 4.6.
Date & time: 18 Apr 2017 12:33:54 UTC
Magnitude: 4.6
Depth: 51.0 km
Epicenter latitude / longitude: 31.88°S / 71.25°W (Choapa, Coquimbo Region, Chile)
Nearest volcano: Tupungatito (209 km / 130 mi)
Nearby towns and cities:
28 km (18 mi) SSW of Illapel (Choapa, Coquimbo Region) (pop: 22,800) --> See nearby quakes!
29 km (18 mi) WSW of Salamanca (Choapa, Coquimbo Region) (pop: 13,300) --> See nearby quakes!
64 km (40 mi) N of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
130 km (81 mi) N of Villa Alemana (Valparaíso) (pop: 97,300) --> See nearby quakes!
130 km (81 mi) NNE of Viña del Mar (Valparaíso) (pop: 294,600) --> See nearby quakes!
131 km (81 mi) N of Quilpué (Valparaíso) (pop: 130,300) --> See nearby quakes!
142 km (88 mi) S of Ovalle (Coquimbo Region) (pop: 77,100) --> See nearby quakes!
184 km (114 mi) NNW of Santiago de Chile (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
203 km (126 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
214 km (133 mi) S of Coquimbo (Coquimbo Region) (pop: 161,300) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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.
MagnitudeDepthLocationSource
M 4.651 kmNear Coast of Central ChileGFZ
M 4.555 km COQUIMBO, CHILEEMSC
M 4.555 km26 km al O de SalamancaGUG (U. Chile)
M 4.652 km- 34km SW of Illapel, ChileUSGS

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
182.9 km SSE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
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Earlier earthquakes in the same area

Mag. 4.6 earthquake - Choapa, 28 km south of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Tuesday, 18 April 2017 at 12:33 (GMT)
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