4.4

M4.4 Earthquake 183 km SSW of Merizo Village, GuamSeptember 14, 2022

2022-09-14 18:35:33 UTC (2022-09-14) · approx. 4:35 AM UTC+10 local

MagnitudeM4.4(mb)
Time18:35 UTC4:35 AM UTC+10
Depth10.0 kmshallow crustal
Coordinates11.877°, 143.738°
Felt byNo felt reports
Status✓ Reviewed by USGS

On September 14, 2022 at 18:35 UTC, a magnitude 4.4 shallow crustal earthquake struck 183 km SSW of Merizo Village, Guam, at a depth of 10.0 km and coordinates 11.8765°, 143.7382°.

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.

Map showing earthquake epicenter at 11.88°, 143.74°

Earthquake Details

Magnitude
4.4 mb
Depth
10.0 km
shallow crustal
Location
11.8765°N
143.7382°E

Technical Information

Event ID
us7000i9x7
Event Type
earthquake
Status
✓ Reviewed
Significance
298
Stations Used
12
Azimuthal Gap
156.0°
Min Station Distance
2.028°
RMS Residual
0.23 sec
Last Updated
2022-11-19 23:03:47 UTC

Common Questions

How strong was the magnitude 4.4 earthquake near Merizo Village, Guam?

The magnitude 4.4 earthquake that struck 183 km SSW of Merizo Village, Guam on September 14, 2022 at 18:35 UTC had a depth of 10.0 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.

Understanding This Data

Magnitude 4.4 earthquakes are often felt but rarely cause damage.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000i9x7). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2022, September 14, 2022). M4.4 Earthquake 183 km SSW of Merizo Village, GuamSeptember 14, 2022. Retrieved November 19, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000i9x7/