M4.3 Earthquake 22 km NE of Yigo Village, Guam — October 13, 2020
2020-10-13 22:01:45 UTC (2020-10-13) · approx. 8:01 AM UTC+10 local
On October 13, 2020 at 22:01 UTC, a magnitude 4.3 intermediate depth earthquake struck 22 km NE of Yigo Village, Guam, at a depth of 115.3 km and coordinates 13.6855°, 145.0241°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
145.0241°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near Yigo Village, Guam?
The magnitude 4.3 earthquake that struck 22 km NE of Yigo Village, Guam on October 13, 2020 at 22:01 UTC had a depth of 115.3 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 4.3 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000c8tr). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, October 13, 2020). M4.3 Earthquake 22 km NE of Yigo Village, Guam — October 13, 2020. Retrieved December 19, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000c8tr/