M4.5 Earthquake 58 km ENE of Yigo Village, Guam — February 8, 2023
2023-02-08 22:44:40 UTC (2023-02-08) · approx. 8:44 AM UTC+10 local
On February 8, 2023 at 22:44 UTC, a magnitude 4.5 intermediate depth earthquake struck 58 km ENE of Yigo Village, Guam, at a depth of 100.3 km and coordinates 13.7075°, 145.3954°. This earthquake was detected by 18 seismic stations with good location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
145.3954°E
Technical Information
Common Questions
How strong was the magnitude 4.5 earthquake near Yigo Village, Guam?
The magnitude 4.5 earthquake that struck 58 km ENE of Yigo Village, Guam on February 8, 2023 at 22:44 UTC had a depth of 100.3 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 13.7075°, 145.3954°, which is 58 km ENE of Yigo Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000jpd3). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, February 8, 2023). M4.5 Earthquake 58 km ENE of Yigo Village, Guam — February 8, 2023. Retrieved April 15, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000jpd3/