M4.3 Earthquake 13 km NE of Nangan, Philippines — October 9, 2020
2020-10-09 17:46:59 UTC (2020-10-09) · approx. 1:46 AM UTC+8 local
On October 9, 2020 at 17:46 UTC, a magnitude 4.3 intermediate depth earthquake struck 13 km NE of Nangan, Philippines, at a depth of 146.2 km and coordinates 6.5411°, 126.2216°.
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
126.2216°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Nangan, Philippines?
The magnitude 4.3 earthquake that struck 13 km NE of Nangan, Philippines on October 9, 2020 at 17:46 UTC had a depth of 146.2 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: us6000c74x). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, October 9, 2020). M4.3 Earthquake 13 km NE of Nangan, Philippines — October 9, 2020. Retrieved December 19, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000c74x/