M4.6 Earthquake 50 km E of Aras-asan, Philippines — January 30, 2024
2024-01-30 06:47:46 UTC (2024-01-30) · approx. 2:47 PM UTC+8 local
On January 30, 2024 at 06:47 UTC, a magnitude 4.6 shallow crustal earthquake struck 50 km E of Aras-asan, Philippines, at a depth of 68.7 km and coordinates 8.8001°, 126.7652°. This earthquake was detected by 43 seismic stations with good location accuracy and was assigned a USGS significance rating of 326, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
The epicenter is located in Philippines, a region characterized by the Manila Trench and Philippine Trench subduction systems, where the Philippine Sea Plate overrides the Eurasian Plate. The nearest mapped fault system is the Philippine Fault. View all earthquakes in Philippines.
Learn more: Magnitude scale · Aftershock sequences
Earthquake Details
126.7652°E
Technical Information
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Common Questions
How strong was the magnitude 4.6 earthquake near Aras-asan, Philippines?
The magnitude 4.6 earthquake that struck 50 km E of Aras-asan, Philippines on January 30, 2024 at 06:47 UTC had a depth of 68.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 8.8001°, 126.7652°, which is 50 km E of Aras-asan, Philippines. View all earthquakes in Philippines.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Has Philippines had earthquakes this big before?
The largest recorded earthquake in Philippines was the M8.0 Mindanao earthquake of August 17, 1976. Today's magnitude 4.6 event is significantly smaller than that historical record.
Authoritative source: USGS event page (event ID: us7000luxb). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, January 30, 2024). M4.6 Earthquake 50 km E of Aras-asan, Philippines — January 30, 2024. Retrieved April 13, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000luxb/