M4.6 Earthquake 25 km WNW of Agat Village, Guam — October 26, 2020
2020-10-26 11:00:59 UTC (2020-10-26) · approx. 9:00 PM UTC+10 local
Felt by 2 people across nearby locations.
On October 26, 2020 at 11:00 UTC, a magnitude 4.6 intermediate depth earthquake struck 25 km WNW of Agat Village, Guam, at a depth of 137.0 km and coordinates 13.4368°, 144.4299°.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 2 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
144.4299°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Agat Village, Guam?
The magnitude 4.6 earthquake that struck 25 km WNW of Agat Village, Guam on October 26, 2020 at 11:00 UTC had a depth of 137.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 13.4368°, 144.4299°, which is 25 km WNW of Agat Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000cd9h). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, October 26, 2020). M4.6 Earthquake 25 km WNW of Agat Village, Guam — October 26, 2020. Retrieved January 9, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000cd9h/