4.0

M4.0 Earthquake 254 km WSW of Severo-Kuril’sk, RussiaApril 4, 2022

2022-04-04 18:33:31 UTC (2022-04-04) · approx. 4:33 AM UTC+10 local

MagnitudeM4.0(mb)
Time18:33 UTC4:33 AM UTC+10
Depth222.2 kmintermediate depth
Coordinates49.745°, 152.864°
Felt byNo felt reports
Status✓ Reviewed by USGS

On April 4, 2022 at 18:33 UTC, a magnitude 4.0 intermediate depth earthquake struck 254 km WSW of Severo-Kuril’sk, Russia, at a depth of 222.2 km and coordinates 49.7445°, 152.8644°.

Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 49.74°, 152.86°

Earthquake Details

Magnitude
4.0 mb
Depth
222.2 km
intermediate depth
Location
49.7445°N
152.8644°E

Technical Information

Event ID
us7000gznb
Event Type
earthquake
Status
✓ Reviewed
Significance
246
Azimuthal Gap
72.0°
Min Station Distance
4.526°
RMS Residual
0.62 sec
Last Updated
2022-06-11 20:21:03 UTC

Common Questions

How strong was the magnitude 4.0 earthquake near Severo-Kuril’sk, Russia?

The magnitude 4.0 earthquake that struck 254 km WSW of Severo-Kuril’sk, Russia on April 4, 2022 at 18:33 UTC had a depth of 222.2 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 4.0 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 4.0 earthquakes are often felt but rarely cause damage.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000gznb). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2022, April 4, 2022). M4.0 Earthquake 254 km WSW of Severo-Kuril’sk, RussiaApril 4, 2022. Retrieved June 11, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000gznb/