M5.2 Earthquake 267 km SSE of Georgetown, Saint Helena — January 20, 2026
2026-01-20 05:55:50 UTC (2026-01-20) · approx. 4:55 AM UTC-1 local
On January 20, 2026 at 05:55 UTC, a magnitude 5.2 shallow crustal earthquake struck 267 km SSE of Georgetown, Saint Helena, at a depth of 10.0 km and coordinates -10.0529°, -13.2407°. This earthquake was detected by 64 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 416, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.2 releases seismic energy equivalent to roughly 951 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.3 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-13.2407°E
Technical Information
Common Questions
How strong was the magnitude 5.2 earthquake near Georgetown, Saint Helena?
The magnitude 5.2 earthquake that struck 267 km SSE of Georgetown, Saint Helena on January 20, 2026 at 05:55 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at -10.0529°, -13.2407°, which is 267 km SSE of Georgetown, Saint Helena.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.2 earthquakes can continue for days to weeks and gradually diminish over time.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Authoritative source: USGS event page (event ID: us7000rqr7). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, January 20, 2026). M5.2 Earthquake 267 km SSE of Georgetown, Saint Helena — January 20, 2026. Retrieved May 9, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000rqr7/