M4.8 Earthquake 163 km SW of Merizo Village, Guam — January 31, 2024
2024-01-31 10:05:04 UTC (2024-01-31) · approx. 8:05 PM UTC+10 local
On January 31, 2024 at 10:05 UTC, a magnitude 4.8 shallow crustal earthquake struck 163 km SW of Merizo Village, Guam, at a depth of 34.7 km and coordinates 12.2378°, 143.5884°. This earthquake was detected by 37 seismic stations with good location accuracy and was assigned a USGS significance rating of 354, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
143.5884°E
Technical Information
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Common Questions
How strong was the magnitude 4.8 earthquake near Merizo Village, Guam?
The magnitude 4.8 earthquake that struck 163 km SW of Merizo Village, Guam on January 31, 2024 at 10:05 UTC had a depth of 34.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 12.2378°, 143.5884°, which is 163 km SW of Merizo Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000lv78). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, January 31, 2024). M4.8 Earthquake 163 km SW of Merizo Village, Guam — January 31, 2024. Retrieved April 13, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000lv78/