M4.3 Earthquake 248 km SW of Tambolaka, Indonesia — October 19, 2026
2026-10-19 19:16:50 UTC (6 hours ago) · approx. 3:16 AM UTC+8 local
On October 19, 2026 at 19:16 UTC, a magnitude 4.3 shallow crustal earthquake struck 248 km SW of Tambolaka, Indonesia, at a depth of 10.0 km and coordinates -11.2335°, 117.8850°.
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
117.8850°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near Tambolaka, Indonesia?
The magnitude 4.3 earthquake that struck 248 km SW of Tambolaka, Indonesia on October 19, 2026 at 19:16 UTC had a depth of 10.0 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.
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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: us6000u3gm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 19, 2026). M4.3 Earthquake 248 km SW of Tambolaka, Indonesia — October 19, 2026. Retrieved October 19, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000u3gm/