M5.1 Earthquake 191 km SSW of Merizo Village, Guam — February 13, 2021
2021-02-13 04:02:00 UTC (2021-02-13) · approx. 2:02 PM UTC+10 local
Felt by 2 people across nearby locations.
On February 13, 2021 at 04:02 UTC, a magnitude 5.1 shallow crustal earthquake struck 191 km SSW of Merizo Village, Guam, at a depth of 10.0 km and coordinates 11.8235°, 143.6892°.
Physical scale: An earthquake of magnitude 5.1 releases seismic energy equivalent to roughly 674 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.0 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 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
143.6892°E
Technical Information
Common Questions
How strong was the magnitude 5.1 earthquake near Merizo Village, Guam?
The magnitude 5.1 earthquake that struck 191 km SSW of Merizo Village, Guam on February 13, 2021 at 04:02 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at 11.8235°, 143.6892°, which is 191 km SSW of Merizo Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.1 earthquakes can continue for days to weeks and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000dha6). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, February 13, 2021). M5.1 Earthquake 191 km SSW of Merizo Village, Guam — February 13, 2021. Retrieved January 29, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000dha6/