M4.2 Earthquake 45 km WSW of Sarangani, Philippines — May 23, 2021
2021-05-23 19:00:51 UTC (2021-05-23) · approx. 3:00 AM UTC+8 local
On May 23, 2021 at 19:00 UTC, a magnitude 4.2 intermediate depth earthquake struck 45 km WSW of Sarangani, Philippines, at a depth of 248.3 km and coordinates 5.2022°, 125.1044°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
125.1044°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Sarangani, Philippines?
The magnitude 4.2 earthquake that struck 45 km WSW of Sarangani, Philippines on May 23, 2021 at 19:00 UTC had a depth of 248.3 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000efgi). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, May 23, 2021). M4.2 Earthquake 45 km WSW of Sarangani, Philippines — May 23, 2021. Retrieved July 31, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000efgi/