M4.2 Earthquake 273 km ENE of Lospalos, Timor Leste — July 4, 2025
2025-07-04 20:38:49 UTC (2025-07-04) · approx. 5:38 AM UTC+9 local
On July 4, 2025 at 20:38 UTC, a magnitude 4.2 intermediate depth earthquake struck 273 km ENE of Lospalos, Timor Leste, at a depth of 104.2 km and coordinates -7.4074°, 129.2100°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
129.2100°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Lospalos, Timor Leste?
The magnitude 4.2 earthquake that struck 273 km ENE of Lospalos, Timor Leste on July 4, 2025 at 20:38 UTC had a depth of 104.2 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000qcui). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, July 4, 2025). M4.2 Earthquake 273 km ENE of Lospalos, Timor Leste — July 4, 2025. Retrieved September 12, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000qcui/