M4.5 Earthquake 252 km WSW of Merizo Village, Guam — August 3, 2020
2020-08-03 22:22:28 UTC (2020-08-03) · approx. 7:22 AM UTC+9 local
Felt by 2 people across nearby locations.
On August 3, 2020 at 22:22 UTC, a magnitude 4.5 intermediate depth earthquake struck 252 km WSW of Merizo Village, Guam, at a depth of 122.5 km and coordinates 12.4595°, 142.4907°.
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.
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
142.4907°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Merizo Village, Guam?
The magnitude 4.5 earthquake that struck 252 km WSW of Merizo Village, Guam on August 3, 2020 at 22:22 UTC had a depth of 122.5 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 12.4595°, 142.4907°, which is 252 km WSW of Merizo 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: us6000b8wt). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, August 3, 2020). M4.5 Earthquake 252 km WSW of Merizo Village, Guam — August 3, 2020. Retrieved October 10, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000b8wt/