M4.9 Earthquake 91 km SSW of Merizo Village, Guam — May 29, 2021
2021-05-29 15:29:17 UTC (2021-05-29) · approx. 1:29 AM UTC+10 local
Felt by 3 people across nearby locations.
On May 29, 2021 at 15:29 UTC, a magnitude 4.9 shallow crustal earthquake struck 91 km SSW of Merizo Village, Guam, at a depth of 10.0 km and coordinates 12.4630°, 144.4783°.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — 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 3 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
144.4783°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Merizo Village, Guam?
The magnitude 4.9 earthquake that struck 91 km SSW of Merizo Village, Guam on May 29, 2021 at 15:29 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 12.4630°, 144.4783°, which is 91 km SSW of Merizo Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000efuc). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, May 29, 2021). M4.9 Earthquake 91 km SSW of Merizo Village, Guam — May 29, 2021. Retrieved August 9, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000efuc/