M4.1 Earthquake 131 km ESE of Sarangani, Philippines — March 25, 2021
2021-03-25 16:35:03 UTC (2021-03-25) · approx. 12:35 AM UTC+8 local
On March 25, 2021 at 16:35 UTC, a magnitude 4.1 intermediate depth earthquake struck 131 km ESE of Sarangani, Philippines, at a depth of 81.1 km and coordinates 5.0896°, 126.6106°.
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
126.6106°E
Technical Information
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Common Questions
How strong was the magnitude 4.1 earthquake near Sarangani, Philippines?
The magnitude 4.1 earthquake that struck 131 km ESE of Sarangani, Philippines on March 25, 2021 at 16:35 UTC had a depth of 81.1 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: us6000dy6y). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, March 25, 2021). M4.1 Earthquake 131 km ESE of Sarangani, Philippines — March 25, 2021. Retrieved June 2, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000dy6y/