Mag. 3.7 earthquake - 92 km north of Iquique, Tarapacá, Chile, on 28 Oct 1:53 am (GMT -3) -

Mag. 3.7 earthquake  - 92 km north of Iquique, Tarapacá, Chile, on 28 Oct 1:53 am (GMT -3)

Minor magnitude 3.7 earthquake at 75 km depth

28 Oct 04:58 UTC: First to report: EMSC after 5 minutes.
28 Oct 05:10: Magnitude recalculated from 3.7 to 3.9. Hypocenter depth recalculated from 62.0 to 75.0 km (from 39 to 47 mi). Epicenter location corrected by 7.7 km (4.8 mi) towards ENE.
28 Oct 05:12: Now using data updates from GUG (U. Chile)
28 Oct 05:28: Magnitude recalculated from 3.9 to 3.7. Hypocenter depth recalculated from 75.1 to 74.5 km (from 47 to 46 mi). Epicenter location corrected by 1 km (0.6 mi) towards N.
Date & time: 28 Oct 2020 04:53:13 UTC -
Local time at epicenter: 28 Oct 1:53 am (GMT -3)
Magnitude: 3.7
Depth: 74.5 km
Epicenter latitude / longitude: 19.449°S / 69.818°W (Chile)
Nearest volcano: Isluga (117 km / 73 mi)
Nearby towns and cities:
92 km (57 mi) NNE of Iquique (pop: 227,500)
120 km (74 mi) SSE of Arica (pop: 186,000)
166 km (103 mi) SSE of Tacna (Peru) (pop: 280,100)
258 km (160 mi) SE of Ilo (Peru) (pop: 53,500)
297 km (184 mi) N of Tocopilla (pop: 24,500)
347 km (216 mi) NNW of Calama (pop: 143,100)
449 km (279 mi) WSW of Cochabamba (Bolivia) (pop: 900,400)
1560 km (969 mi) N of Santiago (pop: 4,837,300)
Weather at epicenter at time of quake:
Clear Sky 10.1°C (50 F), humidity: 60%, wind: 0 m/s (1 kts) from NNE
Primary data source: GUG (U. Chile)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 tons of TNT) More info
[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.
MagnitudeDepthLocationSource
M 3.775 km44 Km Al O De Camiña, ChileGUG (U. Chile)
M 3.774 km92 Km NNE of Iquique, ChileEMSC

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
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!
Rancagua / Moderate shaking (MMI V) / 10-15 s : Fue largo y con harto ruido, pero sentí que paso por mi dormitorio y siguió avanzando en línea recta, fue extraño, nuevo...
Yumbel (1981.2 km S of epicenter) [Map] / Very weak shaking (MMI II)
1567.3 km S of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 15-20 s
Rancagua, la gamboina / Very strong shaking (MMI VII)
Santiago de Chile / Moderate shaking (MMI V) / single lateral shake / 10-15 s : Me despertó el temblor, duro poco pero me generó miedo
Villa Alegre, Chile / Moderate shaking (MMI V) / 5-10 s
Rancagua / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area since 1900

Mag. 3.7 earthquake - 92 km north of Iquique, Tarapacá, Chile, on 28 Oct 1:53 am (GMT -3)

Map of earlier quakes

Volcanoes & Earthquakes - new app for Android

More on VolcanoDiscovery

 
Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional data sources
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.