Terremoto moderato mag. 4.1 - Canton Cañar, 13 km a sud da La Troncal, Provincia del Cañar, Ecuador, venerdí, 04 dicembre 2020 -

Terremoto moderato mag. 4.1 - Canton Cañar, 13 km a sud da La Troncal, Provincia del Cañar, Ecuador, venerdí, 04 dicembre 2020

Terremoto moderato magnitudine 4.1 at 4 km depth

5 Dec 00:02 UTC: Primo a segnalare: IGEPN dopo 7 minuti.
5 Dec 00:06: Magnitudine ricalcolata da 4.2 a 4.1. Profondità ricalcolata da 5.0 a 10.0 km (da 3.1 a 6.2 mi). Posizione dell'epicentro corretta di 3.1 km (2 mi) al NE.
5 Dec 01:14: Profondità ricalcolata da 10.0 a 4.0 km (da 6.2 a 2.5 mi). Posizione dell'epicentro corretta di 8.1 km (5 mi) al ESE.
Update Sat, 5 Dec 2020, 00:03
Light magnitude 4.2 earthquake 18 km southwest of La Troncal, Ecuador
4.2 quake Ecuador - Guayas, A 18.26km De La Troncal, 4 Dec 6.55 pm (GMT -5)
4.2 quake Ecuador - Guayas, A 18.26km De La Troncal, 4 Dec 6.55 pm (GMT -5)
The Institute of Geophysics of the National Polytechnic School in Quito (IGEPN) reported a magnitude 4.2 quake in Ecuador near La Troncal, Provincia del Cañar, only 8 minutes ago. The earthquake hit early evening on Friday 4 December 2020 at 6.55 pm local time at a very shallow depth of 5 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in La Troncal (pop. 36,400) located 18 km from the epicenter, Naranjal (pop. 32,000) 24 km away, Coronel Marcelino Maridueña (pop. 7,300) 37 km away, and Naranjito (pop. 34,200) 42 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Milagro (pop. 133,500) located 48 km from the epicenter, Yaguachi Nuevo (pop. 27,900) 56 km away, Duran (pop. 167,800) 61 km away, Guayaquil (pop. 1,952,000) 62 km away, and Cuenca (pop. 277,000) 64 km away.
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Earthquake data:

Data & ora: 4 Dec 2020 23:55:35 UTC -
Ora locale a epicentro: Friday, 4 Dec 2020 18:55 (GMT -5)
Magnitudine: 4.1
Profondità: 4.0 km
Epicentro latitudine / longitudine: 2.54°S / 79.36°W (Canton Cañar, Provincia del Cañar, Ecuador)
Vulcano più vicino: Licto (126 km / 78 mi)
Nearby towns and cities:
13 km S da La Troncal (Cañar) (pop: 36,400) --> Vedi sismi vicini
32 km ENE da Naranjal (Guayas) (pop: 32,000) --> Vedi sismi vicini
43 km SSE da Naranjito (Guayas) (pop: 34,200) --> Vedi sismi vicini
52 km SSE da San Francisco de Milagro (Guayas) (pop: 133,500) --> Vedi sismi vicini
61 km ONO da Azogues (Cañar) (pop: 34,900) --> Vedi sismi vicini
62 km SE da Yaguachi Nuevo (San Jacinto de Yaguachi, Guayas) (pop: 27,900) --> Vedi sismi vicini
68 km SE da Duran (Guayas) (pop: 167,800) --> Vedi sismi vicini
70 km ESE da Guayaquil (Guayas) (pop: 1,952,000) --> Vedi sismi vicini
84 km SSE da Babahoyo (Los Ríos) (pop: 76,300) --> Vedi sismi vicini
273 km SSO da Quito (Pichincha) (pop: 1,399,800) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Moderate Rain 23.9°C (75 F), humidity: 65%, wind: 4 m/s (7 kts) from S
Fonte dati primaria: IGEPN (Institute of Geophysics of the National Polytechnic School in Quito)
Stima dell'energia sismica liberata: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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.
MagnitudineProfonditàUbicazioneFonte
4.14 kmEcuador - Canar, A 13.08km De La TroncalIGEPN
4.110 kmNEAR COAST OF ECUADOREMSC
3.410 km10 Km SE of La Troncal, EcuadorUSGS

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Cuenca / Very weak shaking (MMI II) / single lateral shake / very short : Felt a quick back and forth shake. Thought it could have been a heavy truck. About a minute later I felt a single shake about the same intensity | One user found this interesting.  
Cuenca / Very weak shaking (MMI II) / single vertical bump / very short : Felt like a sharp jolt rather than a sway. The cords for the blinds were swaying back and forth for about a minute afterwards. I'm on the 8th floor of the building.  
Cuenca (55.3 km SE of epicenter) [Map] / not felt
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