4.8

M4.8 Earthquake near Kuril IslandsNovember 3, 2023

2023-11-03 21:48:22 UTC (2023-11-03) · approx. 7:48 AM UTC+10 local

MagnitudeM4.8(mb)
Time21:48 UTC7:48 AM UTC+10
Depth10.0 kmshallow crustal
Coordinates47.657°, 153.605°
Felt byNo felt reports
Status✓ Reviewed by USGS

On November 3, 2023 at 21:48 UTC, a magnitude 4.8 shallow crustal earthquake struck near Kuril Islands, at a depth of 10.0 km and coordinates 47.6572°, 153.6050°. This earthquake was detected by 79 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 354, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 47.66°, 153.60°

Earthquake Details

Magnitude
4.8 mb
Depth
10.0 km
shallow crustal
Location
47.6572°N
153.6050°E

Technical Information

Event ID
us7000l8rm
Event Type
earthquake
Status
✓ Reviewed
Significance
354
Stations Used
79
Azimuthal Gap
85.0°
Min Station Distance
6.052°
RMS Residual
0.51 sec
Last Updated
2024-01-10 06:01:52 UTC

Common Questions

How strong was the magnitude 4.8 earthquake near Kuril Islands?

The magnitude 4.8 earthquake that struck near Kuril Islands on November 3, 2023 at 21:48 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 47.6572°, 153.6050°, which is near Kuril Islands.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.

Authoritative source: USGS event page (event ID: us7000l8rm). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, November 3, 2023). M4.8 Earthquake near Kuril IslandsNovember 3, 2023. Retrieved January 10, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000l8rm/