Moderate mag. 4.7 earthquake - 36 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Tuesday, 23 Feb 2021 3:18 am (GMT -3) -

Moderate mag. 4.7 earthquake - 36 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Tuesday, 23 Feb 2021 3:18 am (GMT -3)

Moderate magnitude 4.7 earthquake at 43 km depth

23 Feb 06:26 UTC: First to report: EMSC after 8 minutes.
23 Feb 06:34: Now using data updates from GUG (U. Chile)
23 Feb 06:40: Hypocenter depth recalculated from 43.1 to 42.9 km (from 27 to 27 mi).
Update Tue, 23 Feb 2021, 06:30
Moderate earthquake of magnitude 4.9 just reported 35 km southwest of Illapel, Chile
4.9 quake 23 Feb 3:18 am (GMT -3)
4.9 quake 23 Feb 3:18 am (GMT -3)
An earthquake of magnitude 4.9 occurred early morning on Tuesday 23 February 2021 at 3:18 am local time near Illapel, Provincia de Choapa, Coquimbo Region, Chile, as reported by the European-Mediterranean Seismological Centre (EMSC).
According to preliminary data, the quake was located at a moderately shallow depth of 40 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 Illapel (pop. 22,800) located 35 km from the epicenter, Salamanca (pop. 13,300) 52 km away, and La Ligua (pop. 24,900) 82 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
Download the Volcanoes & Earthquakes app to get one of the fastest seismic alerts online:
Android | IOS

Earthquake data:

Date & time: 23 Feb 2021 06:18:49 UTC -
Local time at epicenter: Tuesday, 23 Feb 2021 3:18 am (GMT -3)
Magnitude: 4.7
Depth: 42.9 km
Epicenter latitude / longitude: 31.745°S / 71.524°W (Provincia de Choapa, Coquimbo Region, Chile)
Nearest volcano: Tupungatito (244 km / 152 mi)
Nearby towns and cities:
36 km (22 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
53 km (33 mi) W of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
83 km (52 mi) NNW of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
131 km (81 mi) SSW of Ovalle (pop: 77,100) --> See nearby quakes!
142 km (88 mi) N of Viña del Mar (Valparaíso) (pop: 294,600) --> See nearby quakes!
144 km (89 mi) N of Valparaiso (Valparaíso) (pop: 282,400) --> See nearby quakes!
206 km (128 mi) S of La Serena (pop: 154,500) --> See nearby quakes!
206 km (128 mi) S of La Serena (pop: 154,500) --> See nearby quakes!
207 km (129 mi) NNW of Santiago de Chile (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
226 km (140 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 14.8°C (59 F), humidity: 86%, wind: 2 m/s (3 kts) from S
Primary data source: GUG (U. Chile)
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.
M 4.743 km19 Km Al N De Los Vilos, ChileGUG (U. Chile)
M 4.746 kmNear Coast of Central ChileGFZ
M 4.640 km38 Km WSW of Illapel, ChileUSGS
M 4.810 kmNear Coast of Central ChileUSP

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
202.6 km SSE of epicenter [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s
Hijuelas, Valparaiso (136.9 km SSE of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s (reported through our app)
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area since 1900

Map of earlier quakes

Volcanoes & Earthquakes - new app for Android
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.