M4.3 Earthquake 96 km SE of Padangsidempuan, Indonesia — December 15, 2020
2020-12-15 18:31:58 UTC (2020-12-15) · approx. 1:31 AM UTC+7 local
On December 15, 2020 at 18:31 UTC, a magnitude 4.3 shallow crustal earthquake struck 96 km SE of Padangsidempuan, Indonesia, at a depth of 40.6 km and coordinates 0.8610°, 99.9741°.
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
99.9741°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Padangsidempuan, Indonesia?
The magnitude 4.3 earthquake that struck 96 km SE of Padangsidempuan, Indonesia on December 15, 2020 at 18:31 UTC had a depth of 40.6 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: us7000cs6k). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, December 15, 2020). M4.3 Earthquake 96 km SE of Padangsidempuan, Indonesia — December 15, 2020. Retrieved February 20, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000cs6k/