Moderate mag. 4.7 earthquake - North Pacific Ocean, 51 km southwest of Sonsonate, El Salvador, on 2021-04-20 09:52:32 -

Moderate mag. 4.7 earthquake - North Pacific Ocean, 51 km southwest of Sonsonate, El Salvador, on 2021-04-20 09:52:32

Moderate magnitude 4.7 earthquake at 39 km depth

20 Apr 15:56 UTC: First to report: INETER after 4 minutes.
20 Apr 16:00: Hypocenter depth recalculated from 57.0 to 28.0 km (from 35 to 17.4 mi). Epicenter location corrected by 4.5 km (2.8 mi) towards SSW.
20 Apr 17:00: Hypocenter depth recalculated from 28.0 to 39.0 km (from 17.4 to 24 mi). Epicenter location corrected by 3 km (1.9 mi) towards ESE.
Date & time: 20 Apr 2021 15:52:32 UTC -
Local time at epicenter: 2021-04-20 09:52:32
Magnitude: 4.7
Depth: 39.0 km
Epicenter latitude / longitude: 13.43°N / 90.068°W (North Pacific Ocean, El Salvador)
Nearest volcano: Apaneca Range (61 km / 38 mi)
Nearby towns and cities:
32 km (20 mi) SW of Acajutla (pop: 22,800) --> See nearby quakes!
49 km (31 mi) SW of Sonsonate (pop: 59,500) --> See nearby quakes!
55 km (34 mi) SW of Izalco (pop: 19,200) --> See nearby quakes!
75 km (46 mi) SW of Chalchuapa (pop: 32,300) --> See nearby quakes!
83 km (52 mi) SW of Santa Ana (pop: 176,700) --> See nearby quakes!
90 km (56 mi) WSW of Santa Tecla (pop: 124,700) --> See nearby quakes!
100 km (62 mi) WSW of San Salvador (pop: 526,000) --> See nearby quakes!
105 km (65 mi) WSW of Soyapango (pop: 329,700) --> See nearby quakes!
143 km (89 mi) SSE of Guatemala City (Guatemala) (pop: 994,900) --> See nearby quakes!
162 km (101 mi) WSW of Sensuntepeque (pop: 20,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 27.3°C (81 F), humidity: 77%, wind: 1 m/s (2 kts) from NNE
Primary data source: INETER
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.
Mag.DepthLocationSource
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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