M4.1 Earthquake 28 km WSW of Calongbuyan, Philippines — January 2, 2024
2024-01-02 20:25:49 UTC (2024-01-02) · approx. 4:25 AM UTC+8 local
On January 2, 2024 at 20:25 UTC, a magnitude 4.1 shallow crustal earthquake struck 28 km WSW of Calongbuyan, Philippines, at a depth of 56.4 km and coordinates 17.0658°, 120.1791°.
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
120.1791°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.1 earthquake near Calongbuyan, Philippines?
The magnitude 4.1 earthquake that struck 28 km WSW of Calongbuyan, Philippines on January 2, 2024 at 20:25 UTC had a depth of 56.4 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: us6000m3az). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, January 2, 2024). M4.1 Earthquake 28 km WSW of Calongbuyan, Philippines — January 2, 2024. Retrieved March 9, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000m3az/