M4.9 Earthquake 42 km SSW of Champerico, Guatemala — January 28, 2021
2021-01-28 10:38:44 UTC (2021-01-28) · approx. 4:38 AM UTC-6 local
On January 28, 2021 at 10:38 UTC, a magnitude 4.9 shallow crustal earthquake struck 42 km SSW of Champerico, Guatemala, at a depth of 33.4 km and coordinates 13.9193°, -91.9945°.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-91.9945°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Champerico, Guatemala?
The magnitude 4.9 earthquake that struck 42 km SSW of Champerico, Guatemala on January 28, 2021 at 10:38 UTC had a depth of 33.4 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 13.9193°, -91.9945°, which is 42 km SSW of Champerico, Guatemala.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000dcme). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, January 28, 2021). M4.9 Earthquake 42 km SSW of Champerico, Guatemala — January 28, 2021. Retrieved December 22, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000dcme/