4.9

M4.9 Earthquake near Carlsberg RidgeNovember 17, 2023

2023-11-17 00:50:46 UTC (2023-11-17) · approx. 4:50 AM UTC+4 local

MagnitudeM4.9(mb)
Time00:50 UTC4:50 AM UTC+4
Depth10.0 kmshallow crustal
Coordinates1.211°, 66.998°
Felt byNo felt reports
Status✓ Reviewed by USGS

On November 17, 2023 at 00:50 UTC, a magnitude 4.9 shallow crustal earthquake struck near Carlsberg Ridge, at a depth of 10.0 km and coordinates 1.2107°, 66.9975°. This earthquake was detected by 79 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 369, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 1.21°, 67.00°

Earthquake Details

Magnitude
4.9 mb
Depth
10.0 km
shallow crustal
Location
1.2107°N
66.9975°E

Technical Information

Event ID
us6000lnzz
Event Type
earthquake
Status
✓ Reviewed
Significance
369
Stations Used
79
Azimuthal Gap
32.0°
Min Station Distance
8.281°
RMS Residual
0.51 sec
Last Updated
2024-01-26 16:37:47 UTC

Common Questions

How strong was the magnitude 4.9 earthquake near Carlsberg Ridge?

The magnitude 4.9 earthquake that struck near Carlsberg Ridge on November 17, 2023 at 00:50 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 1.2107°, 66.9975°, which is near Carlsberg Ridge.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.

Authoritative source: USGS event page (event ID: us6000lnzz). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, November 17, 2023). M4.9 Earthquake near Carlsberg RidgeNovember 17, 2023. Retrieved January 26, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000lnzz/