M4.7 Earthquake 129 km ENE of Fais, Micronesia — April 9, 2021
2021-04-09 09:07:37 UTC (2021-04-09) · approx. 6:07 PM UTC+9 local
On April 9, 2021 at 09:07 UTC, a magnitude 4.7 shallow crustal earthquake struck 129 km ENE of Fais, Micronesia, at a depth of 10.0 km and coordinates 10.1672°, 141.6261°.
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
141.6261°E
Technical Information
Common Questions
How strong was the magnitude 4.7 earthquake near Fais, Micronesia?
The magnitude 4.7 earthquake that struck 129 km ENE of Fais, Micronesia on April 9, 2021 at 09:07 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 10.1672°, 141.6261°, which is 129 km ENE of Fais, Micronesia.
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: us6000e1uu). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, April 9, 2021). M4.7 Earthquake 129 km ENE of Fais, Micronesia — April 9, 2021. Retrieved June 19, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000e1uu/