M4.1 Earthquake 153 km WSW of Bengkulu, Indonesia — August 18, 2020
2020-08-18 22:57:09 UTC (2020-08-18) · approx. 5:57 AM UTC+7 local
On August 18, 2020 at 22:57 UTC, a magnitude 4.1 shallow crustal earthquake struck 153 km WSW of Bengkulu, Indonesia, at a depth of 15.0 km and coordinates -4.3400°, 100.9906°.
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
100.9906°E
Technical Information
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Common Questions
How strong was the magnitude 4.1 earthquake near Bengkulu, Indonesia?
The magnitude 4.1 earthquake that struck 153 km WSW of Bengkulu, Indonesia on August 18, 2020 at 22:57 UTC had a depth of 15.0 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 4.1 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: us7000bcma). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, August 18, 2020). M4.1 Earthquake 153 km WSW of Bengkulu, Indonesia — August 18, 2020. Retrieved October 24, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000bcma/