M4.6 Earthquake 63 km SW of Angaur State, Palau — September 26, 2021
2021-09-26 20:20:23 UTC (2021-09-26) · approx. 5:20 AM UTC+9 local
On September 26, 2021 at 20:20 UTC, a magnitude 4.6 shallow crustal earthquake struck 63 km SW of Angaur State, Palau, at a depth of 10.0 km and coordinates 6.4403°, 133.8017°.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
133.8017°E
Technical Information
Common Questions
How strong was the magnitude 4.6 earthquake near Angaur State, Palau?
The magnitude 4.6 earthquake that struck 63 km SW of Angaur State, Palau on September 26, 2021 at 20:20 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 6.4403°, 133.8017°, which is 63 km SW of Angaur State, Palau.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000fqhv). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, September 26, 2021). M4.6 Earthquake 63 km SW of Angaur State, Palau — September 26, 2021. Retrieved December 4, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000fqhv/