M4.7 Earthquake 196 km SW of Merizo Village, Guam — April 14, 2021
2021-04-14 06:35:59 UTC (2021-04-14) · approx. 4:35 PM UTC+10 local
On April 14, 2021 at 06:35 UTC, a magnitude 4.7 shallow crustal earthquake struck 196 km SW of Merizo Village, Guam, at a depth of 35.0 km and coordinates 12.1073°, 143.2975°.
Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
143.2975°E
Technical Information
Common Questions
How strong was the magnitude 4.7 earthquake near Merizo Village, Guam?
The magnitude 4.7 earthquake that struck 196 km SW of Merizo Village, Guam on April 14, 2021 at 06:35 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 12.1073°, 143.2975°, which is 196 km SW of Merizo Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000e39e). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, April 14, 2021). M4.7 Earthquake 196 km SW of Merizo Village, Guam — April 14, 2021. Retrieved June 19, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000e39e/