M5.3 Earthquake 93 km ENE of Georgetown, Saint Helena — June 6, 2020
2020-06-06 05:03:05 UTC (2020-06-06) · approx. 4:03 AM UTC-1 local
On June 6, 2020 at 05:03 UTC, a magnitude 5.3 shallow crustal earthquake struck 93 km ENE of Georgetown, Saint Helena, at a depth of 10.0 km and coordinates -7.4871°, -13.6871°.
Physical scale: An earthquake of magnitude 5.3 releases seismic energy equivalent to roughly 1 kilotons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.7 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-13.6871°E
Technical Information
Common Questions
How strong was the magnitude 5.3 earthquake near Georgetown, Saint Helena?
The magnitude 5.3 earthquake that struck 93 km ENE of Georgetown, Saint Helena on June 6, 2020 at 05:03 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 -7.4871°, -13.6871°, which is 93 km ENE of Georgetown, Saint Helena.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.3 earthquakes can continue for days to weeks and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000a71c). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, June 6, 2020). M5.3 Earthquake 93 km ENE of Georgetown, Saint Helena — June 6, 2020. Retrieved August 18, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000a71c/