M4.3 Earthquake 110 km NW of Bukittinggi, Indonesia — January 14, 2021
2021-01-14 19:47:55 UTC (2021-01-14) · approx. 2:47 AM UTC+7 local
On January 14, 2021 at 19:47 UTC, a magnitude 4.3 intermediate depth earthquake struck 110 km NW of Bukittinggi, Indonesia, at a depth of 133.9 km and coordinates 0.4802°, 99.7605°.
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
99.7605°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Bukittinggi, Indonesia?
The magnitude 4.3 earthquake that struck 110 km NW of Bukittinggi, Indonesia on January 14, 2021 at 19:47 UTC had a depth of 133.9 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: us7000d2ec). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, January 14, 2021). M4.3 Earthquake 110 km NW of Bukittinggi, Indonesia — January 14, 2021. Retrieved March 20, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000d2ec/