Strong mag. 5.3 earthquake - North Pacific Ocean, 11 km west of Golfito, Provincia de Puntarenas, Costa Rica, on 18 de agosto del 2018 8:20 pm

This quake was likely an aftershock of the 6.1 quake 11 km northwest of Golfito, Provincia de Puntarenas, Costa Rica, August, 17 2018 23:22 GMT, which had occurred 1 day 3 hours earlier.
Strong mag. 5.3 earthquake - North Pacific Ocean, 11 km west of Golfito, Provincia de Puntarenas, Costa Rica, on 18 de agosto del 2018 8:20 pm

Strong magnitude 5.3 earthquake at 18 km depth

19 Aug 02:32 UTC: First to report: RSN after 12 minutes.
Date & time: Aug 19, 2018 02:20:00 UTC
Local time at epicenter: 18 de agosto del 2018 8:20 pm
Magnitude: 5.3
Depth: 18.0 km
Epicenter latitude / longitude: 8.598°N / 83.216°W (North Pacific Ocean, Costa Rica)
Antipode: 8.598°S / 96.784°E
Nearest volcano: Baru (78 km / 48 mi)
Nearby towns and cities:
11 km (7 mi) W of Golfito (pop: 6,780) --> See nearby quakes!
30 km (19 mi) W of Corredor (Ciudad Neily) (pop: 7,080) --> See nearby quakes!
37 km (23 mi) SW of San Vito (pop: 3,980) --> See nearby quakes!
42 km (26 mi) W of Canoas (pop: 4,570) --> See nearby quakes!
65 km (40 mi) SSE of Buenos Aires (pop: 11,700) --> See nearby quakes!
66 km (41 mi) W of Concepcion (Panama) (pop: 17,700) --> See nearby quakes!
88 km (55 mi) WNW of David (Panama) (pop: 82,000) --> See nearby quakes!
90 km (56 mi) WNW of Pedregal (Distrito de David, Panama) (pop: 17,400) --> See nearby quakes!
155 km (96 mi) SSE of Paraiso (pop: 39,700) --> See nearby quakes!
176 km (110 mi) SSE of San Jose (pop: 335,000) --> See nearby quakes!
Primary data source: RSN
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 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
5.318 km7 km al Oeste de Golfito, Puntarenas.RSN
5.010 kmCosta RicaGFZ
4.630 km COSTA RICAEMSC
4.621 km- 9km NNE of Golfito, Costa RicaUSGS

User reports for this quake (17)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Puriscal, Santiago, Costa Rica (186.1 km NW of epicenter) [Map] / Weak shaking (MMI III)
Escaleras, Dominical / Very weak shaking (MMI II) : While lying down felt light rocking.  
Boca Chica, Panama (76.3 km ESE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Bajo Boquete, Chiriquí (87.8 km ENE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Aguijitas (49.9 km W of epicenter) [Map] / Light shaking (MMI IV)
Uvita Costa rica / Light shaking (MMI IV)
31 km of Golfito, Puntarenas (24.7 km SSW of epicenter) [Map] / Very weak shaking (MMI II)
Osa Conservation / Light shaking (MMI IV) : Definitely felt The building shake while laying in bed.  
Volcan Panama / Moderate shaking (MMI V)
Uvita / Light shaking (MMI IV) : Not as much movement as yesterday, but the patio shook at the pool rippled  
Heredia, Costa Rica / Light shaking (MMI IV)
Puerto Armuelles, Panama / Weak shaking (MMI III) : Sitting in bed and felt like something bumped the bed. Clothes in closet swinging.  
Alajuela (193.1 km NW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
San Rafael, Escazú, San José (180.9 km NW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Santo Domingo (Costa Rica, 176 km NW of epicenter) : La maison à bouger légèrement (reported through EMSC)  
(Costa Rica, 63 km NW of epicenter) : We felt the shaking, seemed to last about 15 seconds. (reported through EMSC)  
Golfito (Costa Rica, 9 km S of epicenter) : Fuerte pero corto (reported through EMSC)  
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