M4.6 Earthquake 79 km WSW of Merizo Village, Guam — April 20, 2022
2022-04-20 22:00:58 UTC (2022-04-20) · approx. 8:00 AM UTC+10 local
On April 20, 2022 at 22:00 UTC, a magnitude 4.6 intermediate depth earthquake struck 79 km WSW of Merizo Village, Guam, at a depth of 99.7 km and coordinates 12.9270°, 144.0256°.
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.
Earthquake Details
144.0256°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Merizo Village, Guam?
The magnitude 4.6 earthquake that struck 79 km WSW of Merizo Village, Guam on April 20, 2022 at 22:00 UTC had a depth of 99.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 12.9270°, 144.0256°, which is 79 km WSW of Merizo 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: us7000h6hb). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, April 20, 2022). M4.6 Earthquake 79 km WSW of Merizo Village, Guam — April 20, 2022. Retrieved June 26, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000h6hb/