M4.0 Earthquake 170 km NE of Lospalos, Timor Leste — July 17, 2026
2026-07-17 13:38:12 UTC (2 hours ago) · approx. 10:38 PM UTC+9 local
On July 17, 2026 at 13:38 UTC, a magnitude 4.0 intermediate depth earthquake struck 170 km NE of Lospalos, Timor Leste, at a depth of 169.7 km and coordinates -7.4921°, 128.1524°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
128.1524°E
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Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.0 earthquake near Lospalos, Timor Leste?
The magnitude 4.0 earthquake that struck 170 km NE of Lospalos, Timor Leste on July 17, 2026 at 13:38 UTC had a depth of 169.7 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 4.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000t1b6). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 17, 2026). M4.0 Earthquake 170 km NE of Lospalos, Timor Leste — July 17, 2026. Retrieved July 17, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000t1b6/