M3.5 Earthquake 56 km NW of Piti Village, Guam — February 3, 2023
2023-02-03 20:47:06 UTC (2023-02-03) · approx. 6:47 AM UTC+10 local
On February 3, 2023 at 20:47 UTC, a magnitude 3.5 intermediate depth earthquake struck 56 km NW of Piti Village, Guam, at a depth of 136.0 km and coordinates 13.8536°, 144.3599°.
Physical scale: An earthquake of magnitude 3.5 releases seismic energy equivalent to roughly 2.7 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 157 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
144.3599°E
Technical Information
Common Questions
How strong was the magnitude 3.5 earthquake near Piti Village, Guam?
The magnitude 3.5 earthquake that struck 56 km NW of Piti Village, Guam on February 3, 2023 at 20:47 UTC had a depth of 136.0 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.5 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 3.5 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000jmti). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, February 3, 2023). M3.5 Earthquake 56 km NW of Piti Village, Guam — February 3, 2023. Retrieved April 13, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000jmti/