M4.2 Earthquake 167 km S of Pundong, Indonesia — August 10, 2021
2021-08-10 17:35:22 UTC (2021-08-10) · approx. 12:35 AM UTC+7 local
On August 10, 2021 at 17:35 UTC, a magnitude 4.2 shallow crustal earthquake struck 167 km S of Pundong, Indonesia, at a depth of 10.0 km and coordinates -9.4621°, 110.2786°.
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
110.2786°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Pundong, Indonesia?
The magnitude 4.2 earthquake that struck 167 km S of Pundong, Indonesia on August 10, 2021 at 17:35 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 4.2 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: us6000f8e1). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, August 10, 2021). M4.2 Earthquake 167 km S of Pundong, Indonesia — August 10, 2021. Retrieved October 23, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000f8e1/