Moderate mag. 5.1 earthquake - North Pacific Ocean, 120 km south of Coatepeque, Guatemala, on Thursday, 28 Jan 2021 4:38 am (GMT -6) -

This quake was likely an aftershock of the 6.1 quake North Pacific Ocean, 57 km southwest of Champerico, Guatemala, 15 Jan 2021 10:10 am (GMT -6), which had occurred 13 days earlier.
Moderate mag. 5.1 earthquake - North Pacific Ocean, 120 km south of Coatepeque, Guatemala, on Thursday, 28 Jan 2021 4:38 am (GMT -6)

Moderate magnitude 5.1 earthquake at 25 km depth

28 Jan 10:49 UTC: First to report: INETER after 10 minutes.
28 Jan 12:56: Hypocenter depth recalculated from 22.0 to 25.0 km (from 13.7 to 15.5 mi). Epicenter location corrected by 2.4 km (1.5 mi) towards WSW.
Date & time: 28 Jan 2021 10:38:40 UTC -
Local time at epicenter: Thursday, 28 Jan 2021 4:38 am (GMT -6)
Magnitude: 5.1
Depth: 25.0 km
Epicenter latitude / longitude: 13.67°N / 92.18°W (North Pacific Ocean, Guatemala)
Nearest volcano: Santiaguito (136 km / 85 mi)
Nearby towns and cities:
75 km (47 mi) SSW of Champerico (pop: 7,760) --> See nearby quakes!
93 km (58 mi) S of Ocos (Ocós) (pop: 9,460) --> See nearby quakes!
111 km (69 mi) SSW of Retalhuleu (pop: 36,700) --> See nearby quakes!
112 km (69 mi) SW of Tiquisate (pop: 18,200) --> See nearby quakes!
120 km (75 mi) SSW of Coatepeque (pop: 45,700) --> See nearby quakes!
121 km (75 mi) SW of Mazatenango (pop: 44,100) --> See nearby quakes!
145 km (90 mi) WSW of Santa Lucia Cotzumalguapa (pop: 62,100) --> See nearby quakes!
148 km (92 mi) SSW of Quetzaltenango (pop: 132,200) --> See nearby quakes!
150 km (93 mi) SSW of La Union (San Marcos) (pop: 25,100) --> See nearby quakes!
210 km (130 mi) WSW of Guatemala City (pop: 994,900) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 28°C (82 F), humidity: 72%, wind: 4 m/s (8 kts) from N
Primary data source: INETER
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 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.
Mag.DepthLocationSource
5.125 km74 Km Al Suroeste De Tulate, GuatemalaINETER
4.771 kmNear Coast of GuatemalaGFZ
4.854 kmOFFSHORE GUATEMALAEMSC
4.847 km38 Km S of Champerico, GuatemalaUSGS
4.912 km125 Km Al SUR De CD HIDALGO, CHIS, GuatemalaSSN

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
205 km ENE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
San Miguel Petapa (199.6 km ENE of epicenter) [Map] / Very weak shaking (MMI II)
Guatemala city / not felt
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.