M4.1 Earthquake 198 km NE of Lospalos, Timor Leste — August 20, 2025
2025-08-20 23:35:08 UTC (2025-08-20) · approx. 8:35 AM UTC+9 local
On August 20, 2025 at 23:35 UTC, a magnitude 4.1 intermediate depth earthquake struck 198 km NE of Lospalos, Timor Leste, at a depth of 158.0 km and coordinates -7.4314°, 128.4287°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
128.4287°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.1 earthquake near Lospalos, Timor Leste?
The magnitude 4.1 earthquake that struck 198 km NE of Lospalos, Timor Leste on August 20, 2025 at 23:35 UTC had a depth of 158.0 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 4.1 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000r2nv). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, August 20, 2025). M4.1 Earthquake 198 km NE of Lospalos, Timor Leste — August 20, 2025. Retrieved November 12, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000r2nv/