M4.3 Earthquake 98 km SW of Basco, Philippines — September 8, 2024
2024-09-08 20:30:48 UTC (2024-09-08) · approx. 4:30 AM UTC+8 local
On September 8, 2024 at 20:30 UTC, a magnitude 4.3 shallow crustal earthquake struck 98 km SW of Basco, Philippines, at a depth of 25.9 km and coordinates 19.7548°, 121.3848°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
121.3848°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Basco, Philippines?
The magnitude 4.3 earthquake that struck 98 km SW of Basco, Philippines on September 8, 2024 at 20:30 UTC had a depth of 25.9 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 4.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000nqih). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, September 8, 2024). M4.3 Earthquake 98 km SW of Basco, Philippines — September 8, 2024. Retrieved November 15, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000nqih/