Terremoto moderato mag. 4.7 - North Pacific Ocean, 51 km a sud ovest da Sonsonate, El Salvador, martedí, 20 aprile 2021 -

Terremoto moderato mag. 4.7 - North Pacific Ocean, 51 km a sud ovest da Sonsonate, El Salvador, martedí, 20 aprile 2021

Terremoto moderato magnitudine 4.7 at 39 km depth

20 Apr 15:56 UTC: Primo a segnalare: INETER dopo 4 minuti.
20 Apr 16:00: Profondità ricalcolata da 57.0 a 28.0 km (da 35 a 17.4 mi). Posizione dell'epicentro corretta di 4.5 km (2.8 mi) al SSW.
20 Apr 17:00: Profondità ricalcolata da 28.0 a 39.0 km (da 17.4 a 24 mi). Posizione dell'epicentro corretta di 3 km (1.9 mi) al ESE.
Data & ora: 20 Apr 2021 15:52:32 UTC -
Ora locale a epicentro: 2021-04-20 09:52:32
Magnitudine: 4.7
Profondità: 39.0 km
Epicentro latitudine / longitudine: 13.43°N / 90.068°W (North Pacific Ocean, El Salvador)
Vulcano più vicino: Apaneca Range (61 km / 38 mi)
Nearby towns and cities:
32 km SO da Acajutla (pop: 22,800) --> Vedi sismi vicini
49 km SO da Sonsonate (pop: 59,500) --> Vedi sismi vicini
55 km SO da Izalco (pop: 19,200) --> Vedi sismi vicini
75 km SO da Chalchuapa (pop: 32,300) --> Vedi sismi vicini
83 km SO da Santa Ana (pop: 176,700) --> Vedi sismi vicini
90 km OSO da Santa Tecla (pop: 124,700) --> Vedi sismi vicini
100 km OSO da San Salvador (pop: 526,000) --> Vedi sismi vicini
105 km OSO da Soyapango (pop: 329,700) --> Vedi sismi vicini
143 km SSE da Città del Guatemala (Guatemala) (pop: 994,900) --> Vedi sismi vicini
162 km OSO da Sensuntepeque (pop: 20,400) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Overcast Clouds 27.3°C (81 F), humidity: 77%, wind: 1 m/s (2 kts) from NNE
Fonte dati primaria: INETER
Stima dell'energia sismica liberata: 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.
Mag.ProfonditàUbicazioneFonte
4.739 km31 Km Al Suroeste De Acajutla, El SalvadorINETER
unknownn/aNear San Salvador, San Salvador, El SalvadorVolcanoDiscovery
4.632 kmOFFSHORE EL SALVADOREMSC

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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San Salvador (95.3 km ENE of epicenter) [Map] / Very weak shaking (MMI II) / 2-5 s : The floor was shaking meanwhile i sat  
Earth (1 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : I barely felt it, it lasted for like 2 seconds max. But got told that furniture started shaking for like 2 seconds.  
Santa Ana / Weak shaking (MMI III) / vertical swinging (up and down) / 10-15 s : Felt like I was in a hammock  
Nuevo Cuscatlan / Very weak shaking (MMI II) / single lateral shake / 5-10 s
146.2 km NNW of epicenter [Map] / not felt (reported through our app)
EL SALVADOR (133 km ENE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s
San Salvador / Weak shaking (MMI III) / 5-10 s
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