M4.1 Earthquake 94 km NNE of Tayu, Indonesia — July 8, 2021
2021-07-08 23:34:22 UTC (2021-07-08) · approx. 6:34 AM UTC+7 local
On July 8, 2021 at 23:34 UTC, a magnitude 4.1 deep-focus earthquake struck 94 km NNE of Tayu, Indonesia, at a depth of 513.5 km and coordinates -5.7549°, 111.3828°.
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
111.3828°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Tayu, Indonesia?
The magnitude 4.1 earthquake that struck 94 km NNE of Tayu, Indonesia on July 8, 2021 at 23:34 UTC had a depth of 513.5 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.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000elm6). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, July 8, 2021). M4.1 Earthquake 94 km NNE of Tayu, Indonesia — July 8, 2021. Retrieved September 10, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000elm6/