M4.3 Earthquake 263 km N of Agats, Indonesia — September 2, 2023
2023-09-02 20:03:08 UTC (2023-09-02) · approx. 5:03 AM UTC+9 local
On September 2, 2023 at 20:03 UTC, a magnitude 4.3 shallow crustal earthquake struck 263 km N of Agats, Indonesia, at a depth of 57.5 km and coordinates -3.1727°, 137.8939°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
137.8939°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Agats, Indonesia?
The magnitude 4.3 earthquake that struck 263 km N of Agats, Indonesia on September 2, 2023 at 20:03 UTC had a depth of 57.5 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.3 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000kswm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, September 2, 2023). M4.3 Earthquake 263 km N of Agats, Indonesia — September 2, 2023. Retrieved November 4, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000kswm/