M4.1 Earthquake 93 km SE of Sinabang, Indonesia — May 18, 2026
2026-05-18 19:51:41 UTC (2026-05-18) · approx. 1:51 AM UTC+6 local
On May 18, 2026 at 19:51 UTC, a magnitude 4.1 shallow crustal earthquake struck 93 km SE of Sinabang, Indonesia, at a depth of 27.1 km and coordinates 1.8741°, 96.9642°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
96.9642°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Sinabang, Indonesia?
The magnitude 4.1 earthquake that struck 93 km SE of Sinabang, Indonesia on May 18, 2026 at 19:51 UTC had a depth of 27.1 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 4.1 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.
Actions
Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000t03e). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, May 18, 2026). M4.1 Earthquake 93 km SE of Sinabang, Indonesia — May 18, 2026. Retrieved May 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000t03e/