Moderate mag. 4.7 earthquake - South Pacific Ocean, Ecuador, on Friday, Aug 13, 2021 1:59 pm (GMT -5) -

This quake was likely a foreshock of the 5.4 quake South Pacific Ocean, Ecuador, Aug 13, 2021 2:03 pm (GMT -5), which followed after 4 minutes.
Moderate mag. 4.7 earthquake - South Pacific Ocean, Ecuador, on Friday, Aug 13, 2021 1:59 pm (GMT -5)

Moderate magnitude 4.7 earthquake at 2 km depth

13 Aug 19:03 UTC: First to report: VolcanoDiscovery after 4 minutes.
13 Aug 19:04: Now using data updates from IGEPN
13 Aug 19:06: Magnitude recalculated from 5.0 to 4.7. Hypocenter depth recalculated from 5.0 to 1.0 km (from 3.1 to 0.6 mi). Epicenter location corrected by 10 km (6.2 mi) towards W.
13 Aug 19:22: Hypocenter depth recalculated from 1.0 to 2.0 km (from 0.6 to 1.2 mi). Epicenter location corrected by 3.5 km (2.2 mi) towards ESE.
Date & time: Aug 13, 2021 18:59:38 UTC -
Local time at epicenter: Friday, Aug 13, 2021 1:59 pm (GMT -5)
Magnitude: 4.7
Depth: 2.0 km
Epicenter latitude / longitude: 1.6°S / 81.03°W (South Pacific Ocean, Provincia de Manabi, Ecuador)
Antipode: 1.6°N / 98.97°E
Nearby towns and cities:
57 km (36 mi) WSW of Jipijapa (Manabí) (pop: 35,900) --> See nearby quakes!
69 km (43 mi) N of Salinas (Santa Elena) (pop: 43,900) --> See nearby quakes!
72 km (45 mi) N of La Libertad (Guayas) (pop: 75,900) --> See nearby quakes!
74 km (46 mi) SSW of Montecristi (Manabí) (pop: 18,400) --> See nearby quakes!
77 km (48 mi) WSW of Sucre (24 de Mayo, Manabí) (pop: 15,300) --> See nearby quakes!
79 km (49 mi) SSW of Manta (Manabí) (pop: 183,200) --> See nearby quakes!
88 km (55 mi) SW of Portoviejo (Manabí) (pop: 170,300) --> See nearby quakes!
92 km (57 mi) WNW of Pedro Carbo (Guayas) (pop: 23,400) --> See nearby quakes!
143 km (89 mi) WNW of Guayaquil (Guayas) (pop: 1,952,000) --> See nearby quakes!
318 km (197 mi) WSW of San Francisco de Quito (Pichincha) (pop: 1,399,800) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 20.9°C (70 F), humidity: 86%, wind: 4 m/s (7 kts) from WSW
Primary data source: IGEPN (Institute of Geophysics of the National Polytechnic School in Quito)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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.
4.72 kmOff Coast of Ecuador, A 25.67km De Puerto LopezIGEPN
4.745 km6 Km SSW of Santa Elena, EcuadorUSGS

User reports for this quake (13)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Puerto Lopez Manabi Ecuador (24.9 km ENE of epicenter) [Map] / Light shaking (MMI IV) : Was in kitchen. Event onset and got a little more powerful before falling off. 8 seconds in total. Felt like it was coming from the north. | 4 users found this interesting.  
Manta Ecuador, Cantón Manta, Manabí (80.1 km NNE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Puerto Lopez, Manabi, Ecuador (25.4 km ENE of epicenter) [Map] / Light shaking (MMI IV) : Solid thump  
Ayampe / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s
Ayampe / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s
Canoa Ecuador / Very weak shaking (MMI II) / very short
Portoviejo (87.7 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Ayampe Manabi / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s
Bahia de Caraquez, Manabi, Ecuador / Very weak shaking (MMI II) / 1-2 s : Lateral shift  
Puerto lopez (24.6 km E of epicenter) [Map] / Light shaking (MMI IV) / 10-15 s
Las tunas (22.4 km E of epicenter) [Map] / Weak shaking (MMI III) : All so quick (reported through our app)  
Manta / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s
Rio Chico / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s
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