M4.5 Earthquake 168 km NE of Lospalos, Timor Leste — April 9, 2025
2025-04-09 20:46:35 UTC (2025-04-09) · approx. 5:46 AM UTC+9 local
On April 9, 2025 at 20:46 UTC, a magnitude 4.5 intermediate depth earthquake struck 168 km NE of Lospalos, Timor Leste, at a depth of 179.2 km and coordinates -7.5885°, 128.2068°. This earthquake was detected by 60 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
128.2068°E
Technical Information
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Common Questions
How strong was the magnitude 4.5 earthquake near Lospalos, Timor Leste?
The magnitude 4.5 earthquake that struck 168 km NE of Lospalos, Timor Leste on April 9, 2025 at 20:46 UTC had a depth of 179.2 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -7.5885°, 128.2068°, which is 168 km NE of Lospalos, Timor Leste.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000q4zv). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, April 9, 2025). M4.5 Earthquake 168 km NE of Lospalos, Timor Leste — April 9, 2025. Retrieved June 14, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000q4zv/