M4.3 Earthquake 89 km S of Padang, Indonesia — August 20, 2020
2020-08-20 19:47:26 UTC (2020-08-20) · approx. 2:47 AM UTC+7 local
On August 20, 2020 at 19:47 UTC, a magnitude 4.3 shallow crustal earthquake struck 89 km S of Padang, Indonesia, at a depth of 49.9 km and coordinates -1.7524°, 100.2719°.
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
100.2719°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Padang, Indonesia?
The magnitude 4.3 earthquake that struck 89 km S of Padang, Indonesia on August 20, 2020 at 19:47 UTC had a depth of 49.9 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: us7000bdm9). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, August 20, 2020). M4.3 Earthquake 89 km S of Padang, Indonesia — August 20, 2020. Retrieved October 31, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000bdm9/