M4.4 Earthquake 91 km SW of Merizo Village, Guam — August 14, 2020
2020-08-14 21:33:37 UTC (2020-08-14) · approx. 7:33 AM UTC+10 local
On August 14, 2020 at 21:33 UTC, a magnitude 4.4 shallow crustal earthquake struck 91 km SW of Merizo Village, Guam, at a depth of 5.0 km and coordinates 12.6398°, 144.1192°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
144.1192°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Merizo Village, Guam?
The magnitude 4.4 earthquake that struck 91 km SW of Merizo Village, Guam on August 14, 2020 at 21:33 UTC had a depth of 5.0 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000bhnp). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, August 14, 2020). M4.4 Earthquake 91 km SW of Merizo Village, Guam — August 14, 2020. Retrieved October 24, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000bhnp/