4.1

M4.1 Earthquake 145 km SE of Kuril’sk, RussiaJuly 28, 2022

2022-07-28 21:09:29 UTC (2022-07-28) · approx. 7:09 AM UTC+10 local

MagnitudeM4.1(mb)
Time21:09 UTC7:09 AM UTC+10
Depth32.1 kmshallow crustal
Coordinates44.215°, 149.037°
Felt byNo felt reports
Status✓ Reviewed by USGS

On July 28, 2022 at 21:09 UTC, a magnitude 4.1 shallow crustal earthquake struck 145 km SE of Kuril’sk, Russia, at a depth of 32.1 km and coordinates 44.2145°, 149.0369°.

Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 44.21°, 149.04°

Earthquake Details

Magnitude
4.1 mb
Depth
32.1 km
shallow crustal
Location
44.2145°N
149.0369°E

Technical Information

Event ID
us6000i6b8
Event Type
earthquake
Status
✓ Reviewed
Significance
259
Stations Used
28
Azimuthal Gap
137.0°
Min Station Distance
4.637°
RMS Residual
0.26 sec
Last Updated
2022-10-01 22:09:27 UTC

Common Questions

How strong was the magnitude 4.1 earthquake near Kuril’sk, Russia?

The magnitude 4.1 earthquake that struck 145 km SE of Kuril’sk, Russia on July 28, 2022 at 21:09 UTC had a depth of 32.1 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 4.1 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 4.1 earthquakes are often felt but rarely cause damage.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000i6b8). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2022, July 28, 2022). M4.1 Earthquake 145 km SE of Kuril’sk, RussiaJuly 28, 2022. Retrieved October 1, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000i6b8/