M4.2 Earthquake 65 km N of Namuac, Philippines — December 26, 2023
2023-12-26 23:44:08 UTC (2023-12-26) · approx. 7:44 AM UTC+8 local
On December 26, 2023 at 23:44 UTC, a magnitude 4.2 shallow crustal earthquake struck 65 km N of Namuac, Philippines, at a depth of 47.0 km and coordinates 19.2030°, 121.2383°.
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
121.2383°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Namuac, Philippines?
The magnitude 4.2 earthquake that struck 65 km N of Namuac, Philippines on December 26, 2023 at 23:44 UTC had a depth of 47.0 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 4.2 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: us6000m209). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, December 26, 2023). M4.2 Earthquake 65 km N of Namuac, Philippines — December 26, 2023. Retrieved March 2, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000m209/