Moderate mag. 5.0 earthquake - 23 km south of Valparaiso, Region de Valparaiso, Chile, on Friday, Oct 22, 2021 11:13 pm (GMT -3) -

Moderate mag. 5.0 earthquake - 23 km south of Valparaiso, Region de Valparaiso, Chile, on Friday, Oct 22, 2021 11:13 pm (GMT -3)

Moderate magnitude 5.0 earthquake at 40 km depth

23 Oct 02:17 UTC: First to report: VolcanoDiscovery after 4 minutes.
23 Oct 02:18: Now using data updates from EMSC
23 Oct 02:21: Magnitude recalculated from 4.7 to 4.8. Hypocenter depth recalculated from 20.0 to 32.0 km (from 12.4 to 19.9 mi). Epicenter location corrected by 28 km (17 mi) towards E.
23 Oct 02:34: Magnitude recalculated from 4.8 to 5.0. Hypocenter depth recalculated from 32.0 to 40.0 km (from 19.9 to 25 mi). Epicenter location corrected by 9.6 km (5.9 mi) towards WNW.
Update Sat, 23 Oct 2021, 02:17
Seismic-like event, possible earthquake, reported few minutes ago in or near Chile
We are receiving unverified early reports of seismic activity in or around Chile at approximately 02:15 GMT. There are no details yet on the magnitude or depth of this seismic-like event. It may or may not turn out to be an actual naturally occurring earthquake. We expect more accurate data to emerge in the next few minutes. The location and magnitude mentioned are indicative and temporary until the AllQuakes monitoring service receives more exact scientific data from a national or international seismological agency. Check back here shortly and stay safe.

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Earthquake data

Date & time: Oct 23, 2021 02:13:56 UTC -
Local time at epicenter: Friday, Oct 22, 2021 11:13 pm (GMT -3)
Magnitude: 5
Depth: 40.0 km
Epicenter latitude / longitude: 33.24°S / 71.69°W (Region de Valparaiso, Chile)
Antipode: 33.24°N / 108.31°E
Nearest volcano: Tupungatito (177 km / 110 mi)
Nearby towns and cities:
23 km (15 mi) SSW of Valparaiso (pop: 282,400) --> See nearby quakes!
27 km (17 mi) SSW of Viña del Mar (pop: 294,600) --> See nearby quakes!
31 km (20 mi) SW of Quilpué (pop: 130,300) --> See nearby quakes!
36 km (22 mi) NNW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
37 km (23 mi) SW of Villa Alemana (pop: 97,300) --> See nearby quakes!
40 km (25 mi) NNW of San Antonio (pop: 85,700) --> See nearby quakes!
47 km (29 mi) WSW of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
57 km (36 mi) SW of Quillota (pop: 67,800) --> See nearby quakes!
100 km (62 mi) WNW of Santiago de Chile (Metropolitana) (pop: 4,837,300) --> See nearby quakes!
111 km (69 mi) WNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 10.8°C (51 F), humidity: 76%, wind: 9 m/s (18 kts) from S
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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.
Mag.DepthLocationSource
5.040 kmVALPARAISO, CHILEEMSC
4.633 kmNear Coast of Central ChileGFZ
5.035 km28 Km SSW of Valparaíso, ChileUSGS
4.610 kmNear Coast of Central ChileUSP

User reports for this quake (58)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Puchuncavi (62.9 km NNE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / very short : En mi cama acostada primero senti como.una onda algo ruidoso y loa perros ladrando y de pronto aiwnto un sacudon en la cama  
Las cruces, el tabo región valparaiso. (29.2 km SSE of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 5-10 s : Estaba en mi casa en el primer piso, y de repente se mueve todo 2 vezes seguidas como por 5 segundos, el temblor fue como de 6.0 de magnitud  
26 km of Viña del Mar, Provincia de Valparaíso, Valparaíso (52.1 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Estaba acostada en la cama , se escuchó antes del sismo,el sismo despertó a mi perro haciéndolo ladrar  
Santiago / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Estábamos en nuestra habitación en segundo piso y oímos los crujidos y movimiento de lado a lado, fue un poco fuerte pero duró poco tiempo.  
chile viña del mar (28.2 km NNE of epicenter) [Map] / Weak shaking (MMI III) / vertical swinging (up and down) / 1-2 s : no fue tan fuerte pero si me movian cosas  
Paula (29.2 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
La Pintana, Provincia de Santiago, Santiago Metropolitan (107.8 km ESE of epicenter) [Map] / Weak shaking (MMI III) / 20-30 s
La Retuca Quilpue Chile (34.4 km ENE of epicenter) [Map] / Light shaking (MMI IV) : It was short but intense, with noise like big tracks passing by. Dog and cat cried  
Villa Alemana, Provincia de Marga Marga, Valparaíso (34 km ENE of epicenter) [Map] / Moderate shaking (MMI V) / 20-30 s (reported through our app)
Santiago, Independencia (97.3 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Vibración en ventana de madera  
Peñaflor, región metropolitana Santiago (85.7 km ESE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : Trembling with a horizontal and vibrating glide with a low frequency sound.  
viña del mar (28.4 km NNE of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s : Light shaking  
Viña del Mar, Provincia de Valparaíso, Valparaíso (27.9 km NNE of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 20-30 s
El quisco (17 km S of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Fuerte con un fuerte sonido comobexplosion  
near Cartagena, San Antonio Province, Valparaíso (17.2 km S of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 2-5 s
Peñaflor (85.3 km ESE of epicenter) [Map] / Weak shaking (MMI III) / complex motion difficult to describe / 2-5 s
near Viña del Mar, Provincia de Valparaíso, Valparaíso (36.6 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Concon (37.3 km NNE of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s : Short and strong  
Viña del Mar, Provincia de Valparaíso, Valparaíso (25.1 km NNE of epicenter) [Map] / Moderate shaking (MMI V) / complex motion difficult to describe / very short : 2 movimientos cortos y bruscos (reported through our app)  
Lo Prado, Provincia de Santiago, Santiago Metropolitan (88.8 km E of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / very short (reported through our app)
Santiago (98.3 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / vibration and rolling / very short : Estaba acostada y rodó vibro  
Santo domingo, valparaiso, chile (50.3 km S of epicenter) [Map] / Weak shaking (MMI III) / very short
San antonio Valparaiso chile (39.7 km SSE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 15-20 s : Noisy and like from low to gigh intensity  
valparaíso (22.3 km NNE of epicenter) [Map] / Light shaking (MMI IV) : Sitting at desk.  
Santiago (103.4 km E of epicenter) [Map] / Very weak shaking (MMI II) / 15-20 s (reported through our app)
near Cartagena, San Antonio Province, Valparaíso (12.9 km SSE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Weak shaking  
San Antonio Valparaiso chile (29.1 km S of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 1-2 s : Sacudida fuerte y corta  
Santiago (96.8 km E of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Quilpué (30.3 km NE of epicenter) [Map] / Light shaking (MMI IV)
La Florida (107.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) : Estaba sentada y senti que me movia hacia delante y atras  
Santiago (102.5 km E of epicenter) [Map] / Very weak shaking (MMI II) / vertical swinging (up and down) / 5-10 s (reported through our app)
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Aftershocks

[More info]

Recorded aftershocks, latest first (1 quake)

Date and timeMag
Depth
LocationDetails
Nov 30, 2021 03:56
5 days ago
3.0

23 km
South Pacific Ocean, 33 km SW of Valparaiso, Region de Valparaiso, ChileMore

Earlier earthquakes in the same area

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