M4.1 Earthquake 17 km WSW of Singkil, Indonesia — February 23, 2022
2022-02-23 20:45:29 UTC (2022-02-23) · approx. 3:45 AM UTC+7 local
On February 23, 2022 at 20:45 UTC, a magnitude 4.1 shallow crustal earthquake struck 17 km WSW of Singkil, Indonesia, at a depth of 35.0 km and coordinates 2.2217°, 97.6447°.
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
97.6447°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Singkil, Indonesia?
The magnitude 4.1 earthquake that struck 17 km WSW of Singkil, Indonesia on February 23, 2022 at 20:45 UTC had a depth of 35.0 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: us6000h0u2). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, February 23, 2022). M4.1 Earthquake 17 km WSW of Singkil, Indonesia — February 23, 2022. Retrieved May 4, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000h0u2/