M4.3 Earthquake 220 km NE of Lospalos, Timor Leste — April 22, 2026
2026-04-22 20:35:08 UTC (2026-04-22) · approx. 5:35 AM UTC+9 local
On April 22, 2026 at 20:35 UTC, a magnitude 4.3 intermediate depth earthquake struck 220 km NE of Lospalos, Timor Leste, at a depth of 147.3 km and coordinates -7.3709°, 128.6304°.
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
128.6304°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near Lospalos, Timor Leste?
The magnitude 4.3 earthquake that struck 220 km NE of Lospalos, Timor Leste on April 22, 2026 at 20:35 UTC had a depth of 147.3 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.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000ss6b). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, April 22, 2026). M4.3 Earthquake 220 km NE of Lospalos, Timor Leste — April 22, 2026. Retrieved May 13, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000ss6b/