M4.8 Earthquake 275 km WSW of Merizo Village, Guam — September 14, 2020
2020-09-14 10:23:39 UTC (2020-09-14) · approx. 8:23 PM UTC+10 local
On September 14, 2020 at 10:23 UTC, a magnitude 4.8 shallow crustal earthquake struck 275 km WSW of Merizo Village, Guam, at a depth of 35.0 km and coordinates 11.8928°, 142.5580°.
Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
142.5580°E
Technical Information
Common Questions
How strong was the magnitude 4.8 earthquake near Merizo Village, Guam?
The magnitude 4.8 earthquake that struck 275 km WSW of Merizo Village, Guam on September 14, 2020 at 10:23 UTC had a depth of 35.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 11.8928°, 142.5580°, which is 275 km WSW of Merizo Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000bmzm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, September 14, 2020). M4.8 Earthquake 275 km WSW of Merizo Village, Guam — September 14, 2020. Retrieved November 21, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000bmzm/