M4.0 Earthquake 189 km SSE of Baubau, Indonesia — September 14, 2026
2026-09-14 17:29:26 UTC (3 days ago) · approx. 1:29 AM UTC+8 local
On September 14, 2026 at 17:29 UTC, a magnitude 4.0 deep-focus earthquake struck 189 km SSE of Baubau, Indonesia, at a depth of 651.2 km and coordinates -7.0673°, 123.1973°.
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
123.1973°E
Technical Information
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Common Questions
How strong was the magnitude 4.0 earthquake near Baubau, Indonesia?
The magnitude 4.0 earthquake that struck 189 km SSE of Baubau, Indonesia on September 14, 2026 at 17:29 UTC had a depth of 651.2 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 4.0 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: us7000thfc). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, September 14, 2026). M4.0 Earthquake 189 km SSE of Baubau, Indonesia — September 14, 2026. Retrieved September 18, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000thfc/