M4.2 Earthquake 27 km S of Labuan Bajo, Indonesia — August 31, 2026
2026-08-31 14:25:55 UTC (1 hour ago) · approx. 10:25 PM UTC+8 local
On August 31, 2026 at 14:25 UTC, a magnitude 4.2 intermediate depth earthquake struck 27 km S of Labuan Bajo, Indonesia, at a depth of 186.8 km and coordinates -8.7422°, 119.9110°.
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
119.9110°E
Technical Information
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Common Questions
How strong was the magnitude 4.2 earthquake near Labuan Bajo, Indonesia?
The magnitude 4.2 earthquake that struck 27 km S of Labuan Bajo, Indonesia on August 31, 2026 at 14:25 UTC had a depth of 186.8 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: us7000td4c). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, August 31, 2026). M4.2 Earthquake 27 km S of Labuan Bajo, Indonesia — August 31, 2026. Retrieved August 31, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000td4c/