M4.4 Earthquake 4 km NNW of Piti Village, Guam — December 17, 2022
2022-12-17 19:45:35 UTC (2022-12-17) · approx. 5:45 AM UTC+10 local
On December 17, 2022 at 19:45 UTC, a magnitude 4.4 intermediate depth earthquake struck 4 km NNW of Piti Village, Guam, at a depth of 110.9 km and coordinates 13.5009°, 144.6720°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
144.6720°E
Technical Information
Common Questions
How strong was the magnitude 4.4 earthquake near Piti Village, Guam?
The magnitude 4.4 earthquake that struck 4 km NNW of Piti Village, Guam on December 17, 2022 at 19:45 UTC had a depth of 110.9 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000j0fv). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, December 17, 2022). M4.4 Earthquake 4 km NNW of Piti Village, Guam — December 17, 2022. Retrieved February 28, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000j0fv/