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
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
4.739 km31 Km Al Suroeste De Acajutla, El SalvadorINETER
unknownn/aNear San Salvador, San Salvador, El SalvadorVolcanoDiscovery

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
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
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.