4.7

M4.7 Earthquake near southeast Indian RidgeNovember 28, 2021

2021-11-28 05:45:40 UTC (2021-11-28) · approx. 12:45 PM UTC+7 local

MagnitudeM4.7(mb)
Time05:45 UTC12:45 PM UTC+7
Depth10.0 kmshallow crustal
Coordinates-52.325°, 101.221°
Felt byNo felt reports
Status✓ Reviewed by USGS

On November 28, 2021 at 05:45 UTC, a magnitude 4.7 shallow crustal earthquake struck near southeast Indian Ridge, at a depth of 10.0 km and coordinates -52.3245°, 101.2213°.

Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -52.32°, 101.22°

Earthquake Details

Magnitude
4.7 mb
Depth
10.0 km
shallow crustal
Location
-52.3245°N
101.2213°E

Technical Information

Event ID
us6000g8gh
Event Type
earthquake
Status
✓ Reviewed
Significance
340
Azimuthal Gap
84.0°
Min Station Distance
14.755°
RMS Residual
0.27 sec
Last Updated
2022-02-05 23:03:51 UTC

Common Questions

How strong was the magnitude 4.7 earthquake near southeast Indian Ridge?

The magnitude 4.7 earthquake that struck near southeast Indian Ridge on November 28, 2021 at 05:45 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 -52.3245°, 101.2213°, which is near southeast Indian Ridge.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.

Authoritative source: USGS event page (event ID: us6000g8gh). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, November 28, 2021). M4.7 Earthquake near southeast Indian RidgeNovember 28, 2021. Retrieved February 5, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000g8gh/