Strong mag. 5.6 earthquake - South Pacific Ocean, 35 km west of Valparaiso, Region de Valparaiso, Chile, on Sunday, 23 April 2017 at 02:36 (GMT)

This quake was likely a foreshock of the 6.6 quake South Pacific Ocean, 11 km west of Valparaiso, Region de Valparaiso, Chile, 24 April 2017 21:38 GMT, which followed after 1 day 19 hours.
Strong mag. 5.6 earthquake - South Pacific Ocean, 35 km west of Valparaiso, Region de Valparaiso, Chile, on Sunday, 23 April 2017 at 02:36 (GMT)

Strong magnitude 5.6 earthquake at 10 km depth

23 Apr 02:39 UTC: First to report: GFZ after 4 minutes.
Apr 23 02:42: Magnitude recalculated from 5.8 to 5.6.
Date & time: 23 Apr 2017 02:36:06 UTC
Magnitude: 5.6
Depth: 10.0 km
Epicenter latitude / longitude: 32.97°S / 72°W (South Pacific Ocean, Chile)
Nearest volcano: Tupungatito (210 km / 130 mi)
Nearby towns and cities:
35 km (22 mi) W of Valparaiso (pop: 282,400) --> See nearby quakes!
42 km (26 mi) W of Viña del Mar (pop: 294,600) --> See nearby quakes!
59 km (37 mi) W of Villa Alemana (pop: 97,300) --> See nearby quakes!
69 km (43 mi) W of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
74 km (46 mi) NNW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
76 km (47 mi) WSW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
92 km (57 mi) SW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
108 km (67 mi) NW of Melipilla (pop: 63,100) --> See nearby quakes!
137 km (85 mi) WNW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
150 km (93 mi) WNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 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 5.610 kmOff Coast of Central ChileGFZ
M 5.913 km OFFSHORE VALPARAISO, CHILEEMSC
M 6.120 kmChile (Peruvian point of view) [Sea]INGV
M 5.99.8 km- 42km W of Valparaiso, ChileUSGS
M 5.924 km47 km al O de ValparaísoGUG (U. Chile)

shake map
(shakemap: USGS)

User reports for this quake (73)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Gomez carreño viña del mar (45.2 km E of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Las Condes / Moderate shaking (MMI V)
Viña del Mar / Light shaking (MMI IV)
santiago ,casa (131.9 km ESE of epicenter) [Map] / Light shaking (MMI IV) : Out house (reported through our app)
Maipú (131.3 km ESE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Santiago de Chile / Moderate shaking (MMI V) : 15 sec. bevor comes a vibration and than the Shaking. The house was making sounds. I was laying in thee bed. The lamp was swinging.
Santiago Hotel Regal Pacifik / Moderate shaking (MMI V)
santiago de chile / Light shaking (MMI IV)
144.7 km ESE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
125.4 km ESE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
139.8 km ESE of epicenter [Map] / Light shaking (MMI IV)
Santiago de Chile, vitacura / Very weak shaking (MMI II)
Marius (139.8 km ESE of epicenter) [Map] / Light shaking (MMI IV)
Santiago de Chile, CENTER (135.3 km ESE of epicenter) [Map] / Very strong shaking (MMI VII) (reported through our app)
150.6 km ESE of epicenter [Map] / Strong shaking (MMI VI) : Fue muy fuerte y largo (reported through our app)
Santiago, Quilicura (127.1 km ESE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Santiago de Chile (135.4 km ESE of epicenter) [Map] / Strong shaking (MMI VI) : The shaking was sudden and strong and continued for at least a minute. There have been 2 strong aftershocks in the last 10 minutes as well as a weaker one.
Santiago (139.6 km ESE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
providencia, santiago / Moderate shaking (MMI V)
santiago (131.9 km ESE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
144.5 km ESE of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
Peñaflor (125.2 km ESE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
43.9 km E of epicenter [Map] / Moderate shaking (MMI V)
Santo Domingo, Chile / Strong shaking (MMI VI)
156.7 km ESE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
Santiago / Strong shaking (MMI VI)
Viña del mar (43.1 km E of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
139.2 km ESE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Santiago / Light shaking (MMI IV)
Viña del Mar (43.7 km E of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
127.7 km ESE of epicenter [Map] / Strong shaking (MMI VI) : Fuerte en Santiago Quilicura más que 5,8 en valpo (reported through our app)
valparaiso chile (933.7 km NNE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Santiago Chile (142.7 km ESE of epicenter) [Map] / Light shaking (MMI IV)
Las condes Santiago de Chile / Very weak shaking (MMI II)
347.9 km NNE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
139.7 km ESE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Yanko, Los Andes (131.5 km E of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
42.3 km E of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
La Reina (Chile, 138 km E of epicenter) : Fuerte (reported through EMSC)
Santiago (Chile, 127 km SE of epicenter) : Me asuste mucho. (reported through EMSC)
Limache (Chile, 65 km E of epicenter) : Given as close as we were to it, I'm surprised that it didn't feel much stronger. (reported through EMSC)
Machalí (Chile, 176 km SE of epicenter) : bastante fuerte (reported through EMSC)
La Reina (Chile, 139 km E of epicenter) : Fue un movimiento muy fuerte y largo y ahora un nuevo temblor justo ahora pero menor intensidad (reported through EMSC)
La Reina (Chile, 137 km E of epicenter) : Tembló fuerte (reported through EMSC)
Las Condes (Chile, 137 km E of epicenter) : se sintio claramente la llegada de ambas ondas, bastante desfasadas. Se movieron las lamparas y plantas (reported through EMSC)
Las Condes (Chile, 137 km E of epicenter) : Moderate shaking, strong enough to shake some things. (reported through EMSC)
Providencia (Chile, 133 km E of epicenter) : Lots of movement on the 9th floor in Providencia. (reported through EMSC)
El Bosque (Chile, 133 km SE of epicenter) : De 3 a 4 grados (reported through EMSC)
San Miguel (Chile, 132 km SE of epicenter) : En Santiago fue largo y fuerte. (reported through EMSC)
Providencia (Chile, 131 km E of epicenter) : Fuerte , aproximadamente 4a5 grados, se movieron muebles y lámparas (reported through EMSC)
Santiago (Chile, 130 km E of epicenter) : Slight shake of solid structures. Approx 15s. (reported through EMSC)
(Chile, 129 km E of epicenter) : Fuerte 6.0, largo y ruidoso. Desde las 19:30 hrs. enjambre sísmico en Zona Central del país; 15 temblores. (reported through EMSC)
Conchalí (Chile, 127 km E of epicenter) : Fuerte y largo (reported through EMSC)
Maipú (Chile, 124 km SE of epicenter) : Ruido al inicio y fuerte movimiento al rededor de 1 minuto 6,1 grados informados (reported through EMSC)
Lo Prado (Chile, 123 km E of epicenter) : Fue un remezón (reported through EMSC)
Penaflor (Chile, 119 km SE of epicenter) : Temblor de larga duración y mediana intensidad (?) (reported through EMSC)
(Chile, 63 km SE of epicenter) : Very strong, near Casablanca (reported through EMSC)
Villa Alemana (Chile, 51 km E of epicenter) : Mas fuerte que los anteriores (reported through EMSC)
Viña del Mar (Chile, 37 km E of epicenter) : Estábamos en Quilpué , supimos que fue fuerte porque estábamos a la intérperie y se sacudió todo .... bueno , nada nuevo !!! (reported through EMSC)
Valparaíso (Chile, 35 km E of epicenter) : Muy fuerte Sismo, sacudida intensa al principio, duración de 50 segundos. Ruido muy fuerte también. (reported through EMSC)
Valparaíso (Chile, 32 km E of epicenter) : Fue largo y alarmante (reported through EMSC)
Valparaíso (Chile, 32 km E of epicenter) : Muy juerteeee. (reported through EMSC)
Las Condes (Chile, 145 km E of epicenter) : Muy fuerteLas Condes (reported through EMSC)
Las Condes (Chile, 142 km E of epicenter) : Piso 11, si fuerte para mi como extranjero! Siguen más... He sentido 4 en una hora (reported through EMSC)
Providencia (Chile, 142 km E of epicenter) : A beauty! Sustained 10 second shake! No damage. Even Granny from the Beverly Hillbillies would of been proud! Hot dog! Jethrooo... Ellie Mae.... Jeeeed..... get your butts over here! (reported through EMSC)
(Chile, 138 km E of epicenter) : Was strong but no damages reported here. (reported through EMSC)
Padre Hurtado (Chile, 131 km SE of epicenter) : Fue fuerte el sismo. (reported through EMSC)
Colina (Chile, 130 km E of epicenter) : Big movement as sabes..Strong sabes..Not si longitud (reported through EMSC)
Limache (Chile, 73 km E of epicenter) : Mucho ruido y movimiento diría que grado 5, en Olmué Limache (reported through EMSC)
Quilpué (Chile, 56 km E of epicenter) : Varios sismos que se suceden, el último de mediana magnitud, nada serio, se informa acá de 6,1 estamos muy cercano al epicentro. (reported through EMSC)
Viña del Mar (Chile, 46 km E of epicenter) : Uy fuerte y largo en viña del mar (reported through EMSC)
Viña del Mar (Chile, 46 km E of epicenter) : Muy largo 1 minuto con ruido inicial muy fuerte (reported through EMSC)
Valparaíso (Chile, 43 km E of epicenter) : Sigue temblando en estos momentos , se sintió muy fuerte , con mucho ruido (reported through EMSC)
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Earlier earthquakes in the same area

Strong mag. 5.6 earthquake - South Pacific Ocean, 35 km west of Valparaiso, Region de Valparaiso, Chile, on Sunday, 23 April 2017 at 02:36 (GMT)
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